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It supports fact-verification model training and evaluation, as well as quality checks for virtual experiments.\u003C\u002Fp>","2026-10-16 11:58:01","2026-10-19 17:19:58","0.00",0,5000,"virtual chemistry experiment dataset,fact verification data,experiment claim validation,chemistry simulation,reaction condition checking,chemical conservation,scientific reasoning training,JSON experiment records","Structured JSON samples for virtual chemistry fact verification, with experiment records and evidence on reaction conditions, conservation, and simulation state","JSON","0.4GB","virtual chemistry experiments, experimental procedure verification, chemistry education","claim verification, experimental evidence analysis, procedure verification","V1.0","rivo\u002Fsample-packages\u002Fd22fbd83-e900-4726-bc2b-e19daaaa075f\u002F20261016.zip",[583,588,594,600,605,610,615,621,626],{"id":572,"name":584,"field":585,"intro":586,"type":587},"File Name","file_name","File name","string",{"id":589,"name":590,"field":591,"intro":592,"type":593},9676,"Evidence Trace","evidence_trace","A derived explanation linking verification judgments to experiment-record fields, rules, or simulation evidence.","array",{"id":595,"name":596,"field":597,"intro":598,"type":599},9677,"Experiment Record","experiment_record","The original record of a virtual chemistry experiment, including its objective, setup, procedure, observations, measurements, and conclusion claim.","object",{"id":601,"name":602,"field":603,"intro":604,"type":599},9678,"Verification Basis","verification_basis","Reaction conditions, conservation rules, and simulation-state evidence used to verify the experimental procedure and conclusion.",{"id":606,"name":607,"field":608,"intro":609,"type":599},9679,"Reaction Condition Validation","condition_validation","A derived judgment of whether the experimental procedure and actual setup satisfy the expected reaction conditions.",{"id":611,"name":612,"field":613,"intro":614,"type":587},9680,"Verification Summary","verification_summary","A concise summary of the claim verification result and the primary reasons supporting the judgment.",{"id":616,"name":617,"field":618,"intro":619,"type":620},9681,"Overall Verification Verdict","verification_verdict","A Boolean judgment of whether the conclusion claim is supported by the experimental conditions, conservation relationships, and simulation results.","boolean",{"id":622,"name":623,"field":624,"intro":625,"type":599},9682,"Simulation Result Consistency Check","simulation_consistency","An assessment of whether the recorded observations and measurements agree with the virtual experiment's simulated state.",{"id":627,"name":628,"field":629,"intro":630,"type":599},9683,"Conservation Relationship Validation","conservation_validation","A check of conservation relationships across the reactants, products, and measurements in the experiment record.",[632,636,640,644],{"id":633,"question":634,"answer":635},6697,"What does the dataset contain?","Each sample includes a virtual experiment's objective, reagent and instrument setup, procedure, observations and measurements, and conclusion claim. It also provides verification evidence and a summary to support judgments about whether the claim is valid.",{"id":637,"question":638,"answer":639},6698,"What is the format, and how large is the dataset?","The data is organized as structured JSON, with fields for experiment records, verification evidence, an overall verdict, and condition, conservation, and simulation-consistency checks. The current product information does not specify sample count or file size; check the product page or delivery notes for exact figures.",{"id":641,"question":642,"answer":643},6699,"How can I obtain the data?","Check this product page for available download or request options, and refer to the listed delivery format and update notes.",{"id":645,"question":646,"answer":647},6700,"What are the licensing terms and intended uses?","The dataset is intended for fact-verification model training and evaluation, scientific reasoning research, and virtual experiment workflow checks. Confirm the permitted scope, commercial-use rights, and redistribution restrictions in the product listing or accompanying license.",[649,665,677],{"id":650,"relate_table":651,"relate_id":652,"file_size":572,"file_name":653,"path":8,"duration":572,"cate":483,"file_format":654,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":655,"cate_name":656,"evidence_trace":657,"experiment_record":658,"verification_basis":659,"condition_validation":660,"verification_summary":661,"verification_verdict":662,"simulation_consistency":663,"conservation_validation":664},15333,"union_cubo",1057376904,"样例_3.json","json","{\"evidence_trace\": \"[{\\\"evidence_type\\\":\\\"Reaction condition\\\",\\\"source_path\\\":\\\"verification_basis.reaction_conditions.required_reagents\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"The verification conditions require manganese dioxide catalyst, but this reagent was not prepared in experiment_record.reagents.\\\"},{\\\"evidence_type\\\":\\\"Experimental observation\\\",\\\"source_path\\\":\\\"experiment_record.observations[1]\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"After standing for three minutes, no obvious gas was detected, and gas_evolved is false, refuting the claim of immediate production of sufficient oxygen.\\\"},{\\\"evidence_type\\\":\\\"Simulation state\\\",\\\"source_path\\\":\\\"verification_basis.simulation_state.event_log[1]\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"The simulation log explicitly indicates that no obvious decomposition rate was reached within the room-temperature observation window.\\\"},{\\\"evidence_type\\\":\\\"Conservation rule\\\",\\\"source_path\\\":\\\"experiment_record.measurements[2]\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"The system mass remaining unchanged only indicates that no obvious material escape was observed; it cannot prove that oxygen has been generated.\\\"}]\", \"experiment_record\": \"{\\\"experiment_goal\\\":\\\"Verify whether, without adding a catalyst, dilute hydrogen peroxide solution immediately produces detectable oxygen at room temperature.\\\",\\\"reagents\\\":[{\\\"reagent_name\\\":\\\"Hydrogen peroxide solution\\\",\\\"formula\\\":\\\"H₂O₂\\\",\\\"amount\\\":20.0,\\\"amount_unit\\\":\\\"milliliter\\\",\\\"concentration\\\":3.0,\\\"concentration_unit\\\":\\\"mass percent\\\",\\\"role\\\":\\\"Reactant\\\"},{\\\"reagent_name\\\":\\\"Distilled water\\\",\\\"formula\\\":\\\"H₂O\\\",\\\"amount\\\":5.0,\\\"amount_unit\\\":\\\"milliliter\\\",\\\"concentration\\\":55.5,\\\"concentration_unit\\\":\\\"mole per liter\\\",\\\"role\\\":\\\"Diluent\\\"}],\\\"apparatus\\\":[{\\\"apparatus_name\\\":\\\"Beaker\\\",\\\"specification\\\":\\\"50 mL, transparent glass\\\",\\\"quantity\\\":1},{\\\"apparatus_name\\\":\\\"Graduated cylinder\\\",\\\"specification\\\":\\\"25 mL, graduation 0.5 mL\\\",\\\"quantity\\\":1},{\\\"apparatus_name\\\":\\\"Gas syringe\\\",\\\"specification\\\":\\\"100 mL, graduation 1 mL\\\",\\\"quantity\\\":1}],\\\"procedure_steps\\\":[{\\\"step_no\\\":1,\\\"operation\\\":\\\"Measure 20.0 mL of 3% hydrogen peroxide solution and 5.0 mL of distilled water, add to the beaker; no manganese dioxide is added in the experimental setup.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":60.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"},{\\\"step_no\\\":2,\\\"operation\\\":\\\"Stir the diluted hydrogen peroxide solution, and place a gas syringe above the liquid surface to detect evolved gas.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":60.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"},{\\\"step_no\\\":3,\\\"operation\\\":\\\"Let stand and observe gas generation, and record the gas syringe volume and solution state.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":180.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"}],\\\"observations\\\":[{\\\"step_no\\\":2,\\\"observation\\\":\\\"After mixing and stirring, no sustained bubbles were observed, and the solution remained clear.\\\",\\\"phase_state\\\":\\\"Liquid solution\\\",\\\"color\\\":\\\"Colorless\\\",\\\"gas_evolved\\\":false},{\\\"step_no\\\":3,\\\"observation\\\":\\\"After standing for three minutes, no obvious gas generation was detected, and the gas syringe volume showed no discernible change.\\\",\\\"phase_state\\\":\\\"Liquid solution\\\",\\\"color\\\":\\\"Colorless\\\",\\\"gas_evolved\\\":false}],\\\"measurements\\\":[{\\\"measurement_name\\\":\\\"Mass of system before reaction\\\",\\\"value\\\":25.0,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.01,\\\"step_no\\\":1},{\\\"measurement_name\\\":\\\"Detected gas volume increment\\\",\\\"value\\\":0.0,\\\"unit\\\":\\\"milliliter\\\",\\\"uncertainty\\\":1.0,\\\"step_no\\\":3},{\\\"measurement_name\\\":\\\"Mass of system at end of observation\\\",\\\"value\\\":25.0,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.01,\\\"step_no\\\":3}],\\\"conclusion_claim\\\":\\\"Without adding manganese dioxide, hydrogen peroxide immediately decomposes at room temperature and produces sufficient oxygen.\\\"}\", \"verification_basis\": \"{\\\"expected_reaction\\\":\\\"2H₂O₂ → 2H₂O + O₂↑; in the virtual experiment rules, manganese dioxide catalyst is required at room temperature to produce obvious gas within the observation period.\\\",\\\"reaction_conditions\\\":{\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"pressure\\\":101.3,\\\"pressure_unit\\\":\\\"kilopascal\\\",\\\"ph\\\":6.0,\\\"required_reagents\\\":[\\\"Hydrogen peroxide\\\",\\\"Manganese dioxide catalyst\\\"]},\\\"conservation_rules\\\":[\\\"The numbers of H and O atoms are conserved before and after the decomposition reaction; in the balanced equation, the coefficients of H₂O₂, H₂O, and O₂ are 2, 2, and 1, respectively.\\\",\\\"In an observation system with no obvious gas escape, the recorded system mass before and after the reaction should be essentially equal.\\\"],\\\"simulation_state\\\":{\\\"state_label\\\":\\\"Reaction not clearly initiated_lack of catalyst\\\",\\\"event_log\\\":[\\\"Hydrogen peroxide and water detected, but no manganese dioxide catalyst detected.\\\",\\\"No obvious decomposition rate was reached within the room-temperature observation window.\\\",\\\"The gas volume increment remained within measurement uncertainty.\\\",\\\"The system mass difference was 0.00 g.\\\"],\\\"expected_observations\\\":[\\\"No sustained bubbles during the three-minute observation period.\\\",\\\"The solution remains colorless and clear.\\\",\\\"The detected gas volume increment is about 0 mL.\\\"]},\\\"evidence_references\\\":[\\\"The virtual experiment condition rules require manganese dioxide as a catalyst for significant decomposition.\\\",\\\"The simulated event log records that no catalyst was detected and no obvious reaction started.\\\",\\\"Gas volume and system mass measurements are used to check the observation results.\\\"]}\", \"condition_validation\": \"{\\\"conditions_match\\\":false,\\\"failed_conditions\\\":[\\\"The necessary manganese dioxide catalyst was not prepared\\\"],\\\"condition_explanation\\\":\\\"The temperature, pressure, and pH are within the simulated specified ranges, but the required reagent list requires manganese dioxide catalyst, while the experimental reagent setup contains only hydrogen peroxide and water, so the reaction conditions are incomplete.\\\"}\", \"verification_summary\": \"The conclusion does not hold. The experiment lacked the manganese dioxide catalyst required by the verification basis, and the simulation state expected no obvious oxygen generation during the room-temperature observation period; the actual observations showed no sustained bubbles and a gas increment of 0.0 mL. Although the element conservation rules themselves were not violated and the system mass remained unchanged, these results cannot support the claim of immediate production of sufficient oxygen.\", \"verification_verdict\": \"false\", \"simulation_consistency\": \"{\\\"consistent\\\":true,\\\"matched_observations\\\":[\\\"No sustained bubbles appeared in step 2.\\\",\\\"The gas volume increment in step 3 was 0.0 mL.\\\",\\\"The solution remained colorless and clear throughout.\\\",\\\"The system mass difference was 0.00 g.\\\"],\\\"mismatched_observations\\\":[],\\\"simulation_explanation\\\":\\\"The experimental observations are fully consistent with the simulation state when no catalyst is present; the simulation did not expect obvious gas generation, so the observation results cannot support the positive conclusion claim in the experimental record.\\\"}\", \"conservation_validation\": \"{\\\"conservation_match\\\":true,\\\"mass_balance_difference\\\":0.0,\\\"violated_rules\\\":[],\\\"conservation_explanation\\\":\\\"No detectable gas escape occurred in the recorded experiment; the system mass was 25.00 g before and after the reaction, with a mass difference of 0.00 g; the given decomposition reaction equation also satisfies H and O element conservation.\\\"}\"}","文本","[{\"evidence_type\":\"Reaction condition\",\"source_path\":\"verification_basis.reaction_conditions.required_reagents\",\"supports_claim\":false,\"evidence_text\":\"The verification conditions require manganese dioxide catalyst, but this reagent was not prepared in experiment_record.reagents.\"},{\"evidence_type\":\"Experimental observation\",\"source_path\":\"experiment_record.observations[1]\",\"supports_claim\":false,\"evidence_text\":\"After standing for three minutes, no obvious gas was detected, and gas_evolved is false, refuting the claim of immediate production of sufficient oxygen.\"},{\"evidence_type\":\"Simulation state\",\"source_path\":\"verification_basis.simulation_state.event_log[1]\",\"supports_claim\":false,\"evidence_text\":\"The simulation log explicitly indicates that no obvious decomposition rate was reached within the room-temperature observation window.\"},{\"evidence_type\":\"Conservation rule\",\"source_path\":\"experiment_record.measurements[2]\",\"supports_claim\":false,\"evidence_text\":\"The system mass remaining unchanged only indicates that no obvious material escape was observed; it cannot prove that oxygen has been generated.\"}]","{\"experiment_goal\":\"Verify whether, without adding a catalyst, dilute hydrogen peroxide solution immediately produces detectable oxygen at room temperature.\",\"reagents\":[{\"reagent_name\":\"Hydrogen peroxide solution\",\"formula\":\"H₂O₂\",\"amount\":20.0,\"amount_unit\":\"milliliter\",\"concentration\":3.0,\"concentration_unit\":\"mass percent\",\"role\":\"Reactant\"},{\"reagent_name\":\"Distilled water\",\"formula\":\"H₂O\",\"amount\":5.0,\"amount_unit\":\"milliliter\",\"concentration\":55.5,\"concentration_unit\":\"mole per liter\",\"role\":\"Diluent\"}],\"apparatus\":[{\"apparatus_name\":\"Beaker\",\"specification\":\"50 mL, transparent glass\",\"quantity\":1},{\"apparatus_name\":\"Graduated cylinder\",\"specification\":\"25 mL, graduation 0.5 mL\",\"quantity\":1},{\"apparatus_name\":\"Gas syringe\",\"specification\":\"100 mL, graduation 1 mL\",\"quantity\":1}],\"procedure_steps\":[{\"step_no\":1,\"operation\":\"Measure 20.0 mL of 3% hydrogen peroxide solution and 5.0 mL of distilled water, add to the beaker; no manganese dioxide is added in the experimental setup.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":60.0,\"duration_unit\":\"second\",\"atmosphere\":\"Air, normal pressure\"},{\"step_no\":2,\"operation\":\"Stir the diluted hydrogen peroxide solution, and place a gas syringe above the liquid surface to detect evolved gas.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":60.0,\"duration_unit\":\"second\",\"atmosphere\":\"Air, normal pressure\"},{\"step_no\":3,\"operation\":\"Let stand and observe gas generation, and record the gas syringe volume and solution state.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":180.0,\"duration_unit\":\"second\",\"atmosphere\":\"Air, normal pressure\"}],\"observations\":[{\"step_no\":2,\"observation\":\"After mixing and stirring, no sustained bubbles were observed, and the solution remained clear.\",\"phase_state\":\"Liquid solution\",\"color\":\"Colorless\",\"gas_evolved\":false},{\"step_no\":3,\"observation\":\"After standing for three minutes, no obvious gas generation was detected, and the gas syringe volume showed no discernible change.\",\"phase_state\":\"Liquid solution\",\"color\":\"Colorless\",\"gas_evolved\":false}],\"measurements\":[{\"measurement_name\":\"Mass of system before reaction\",\"value\":25.0,\"unit\":\"gram\",\"uncertainty\":0.01,\"step_no\":1},{\"measurement_name\":\"Detected gas volume increment\",\"value\":0.0,\"unit\":\"milliliter\",\"uncertainty\":1.0,\"step_no\":3},{\"measurement_name\":\"Mass of system at end of observation\",\"value\":25.0,\"unit\":\"gram\",\"uncertainty\":0.01,\"step_no\":3}],\"conclusion_claim\":\"Without adding manganese dioxide, hydrogen peroxide immediately decomposes at room temperature and produces sufficient oxygen.\"}","{\"expected_reaction\":\"2H₂O₂ → 2H₂O + O₂↑; in the virtual experiment rules, manganese dioxide catalyst is required at room temperature to produce obvious gas within the observation period.\",\"reaction_conditions\":{\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"pressure\":101.3,\"pressure_unit\":\"kilopascal\",\"ph\":6.0,\"required_reagents\":[\"Hydrogen peroxide\",\"Manganese dioxide catalyst\"]},\"conservation_rules\":[\"The numbers of H and O atoms are conserved before and after the decomposition reaction; in the balanced equation, the coefficients of H₂O₂, H₂O, and O₂ are 2, 2, and 1, respectively.\",\"In an observation system with no obvious gas escape, the recorded system mass before and after the reaction should be essentially equal.\"],\"simulation_state\":{\"state_label\":\"Reaction not clearly initiated_lack of catalyst\",\"event_log\":[\"Hydrogen peroxide and water detected, but no manganese dioxide catalyst detected.\",\"No obvious decomposition rate was reached within the room-temperature observation window.\",\"The gas volume increment remained within measurement uncertainty.\",\"The system mass difference was 0.00 g.\"],\"expected_observations\":[\"No sustained bubbles during the three-minute observation period.\",\"The solution remains colorless and clear.\",\"The detected gas volume increment is about 0 mL.\"]},\"evidence_references\":[\"The virtual experiment condition rules require manganese dioxide as a catalyst for significant decomposition.\",\"The simulated event log records that no catalyst was detected and no obvious reaction started.\",\"Gas volume and system mass measurements are used to check the observation results.\"]}","{\"conditions_match\":false,\"failed_conditions\":[\"The necessary manganese dioxide catalyst was not prepared\"],\"condition_explanation\":\"The temperature, pressure, and pH are within the simulated specified ranges, but the required reagent list requires manganese dioxide catalyst, while the experimental reagent setup contains only hydrogen peroxide and water, so the reaction conditions are incomplete.\"}","The conclusion does not hold. The experiment lacked the manganese dioxide catalyst required by the verification basis, and the simulation state expected no obvious oxygen generation during the room-temperature observation period; the actual observations showed no sustained bubbles and a gas increment of 0.0 mL. Although the element conservation rules themselves were not violated and the system mass remained unchanged, these results cannot support the claim of immediate production of sufficient oxygen.","false","{\"consistent\":true,\"matched_observations\":[\"No sustained bubbles appeared in step 2.\",\"The gas volume increment in step 3 was 0.0 mL.\",\"The solution remained colorless and clear throughout.\",\"The system mass difference was 0.00 g.\"],\"mismatched_observations\":[],\"simulation_explanation\":\"The experimental observations are fully consistent with the simulation state when no catalyst is present; the simulation did not expect obvious gas generation, so the observation results cannot support the positive conclusion claim in the experimental record.\"}","{\"conservation_match\":true,\"mass_balance_difference\":0.0,\"violated_rules\":[],\"conservation_explanation\":\"No detectable gas escape occurred in the recorded experiment; the system mass was 25.00 g before and after the reaction, with a mass difference of 0.00 g; the given decomposition reaction equation also satisfies H and O element conservation.\"}",{"id":666,"relate_table":651,"relate_id":667,"file_size":572,"file_name":668,"path":8,"duration":572,"cate":483,"file_format":654,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":669,"cate_name":656,"evidence_trace":670,"experiment_record":671,"verification_basis":672,"condition_validation":673,"verification_summary":674,"verification_verdict":662,"simulation_consistency":675,"conservation_validation":676},15332,1306900096,"样例_2.json","{\"evidence_trace\": \"[{\\\"evidence_type\\\":\\\"Experimental observation\\\",\\\"source_path\\\":\\\"experiment_record.observations[0]\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"The observation clearly records that the precipitate formed from a colorless system and was white, which does not match the yellow in the conclusion claim.\\\"},{\\\"evidence_type\\\":\\\"Measurement result\\\",\\\"source_path\\\":\\\"experiment_record.measurements[1]\\\",\\\"supports_claim\\\":true,\\\"evidence_text\\\":\\\"The mass of the silver chloride precipitate was 0.717 g, supporting the part of the claim about precipitate mass.\\\"},{\\\"evidence_type\\\":\\\"Simulation state\\\",\\\"source_path\\\":\\\"verification_basis.simulation_state.expected_observations[0]\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"The simulation expects a white precipitate, refuting the description of a yellow silver chloride precipitate.\\\"}]\", \"experiment_record\": \"{\\\"experiment_goal\\\":\\\"Verify that silver nitrate and sodium chloride undergo a metathesis reaction and form silver chloride precipitate, and determine whether the description of the precipitate color in the conclusion is correct.\\\",\\\"reagents\\\":[{\\\"reagent_name\\\":\\\"Silver nitrate solution\\\",\\\"formula\\\":\\\"AgNO₃\\\",\\\"amount\\\":10.0,\\\"amount_unit\\\":\\\"milliliter\\\",\\\"concentration\\\":0.5,\\\"concentration_unit\\\":\\\"mole per liter\\\",\\\"role\\\":\\\"Reactant\\\"},{\\\"reagent_name\\\":\\\"Sodium chloride solution\\\",\\\"formula\\\":\\\"NaCl\\\",\\\"amount\\\":10.0,\\\"amount_unit\\\":\\\"milliliter\\\",\\\"concentration\\\":0.5,\\\"concentration_unit\\\":\\\"mole per liter\\\",\\\"role\\\":\\\"Reactant\\\"}],\\\"apparatus\\\":[{\\\"apparatus_name\\\":\\\"Test tube\\\",\\\"specification\\\":\\\"25 mL, transparent glass\\\",\\\"quantity\\\":1},{\\\"apparatus_name\\\":\\\"Glass funnel\\\",\\\"specification\\\":\\\"general laboratory use, with filter paper\\\",\\\"quantity\\\":1},{\\\"apparatus_name\\\":\\\"Electronic balance\\\",\\\"specification\\\":\\\"range 200 g, readability 0.001 g\\\",\\\"quantity\\\":1}],\\\"procedure_steps\\\":[{\\\"step_no\\\":1,\\\"operation\\\":\\\"Measure 10.0 mL each of 0.5 mol\u002FL silver nitrate solution and sodium chloride solution, and confirm that both solutions are colorless and near neutral.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":60.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"},{\\\"step_no\\\":2,\\\"operation\\\":\\\"Slowly add the sodium chloride solution to the silver nitrate solution and gently swirl.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":30.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"},{\\\"step_no\\\":3,\\\"operation\\\":\\\"Let stand until precipitation is complete, then filter with filter paper, dry the precipitate, and weigh it.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":300.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"}],\\\"observations\\\":[{\\\"step_no\\\":2,\\\"observation\\\":\\\"After mixing, a fine, uniform white precipitate appeared immediately, and the solution remained essentially colorless.\\\",\\\"phase_state\\\":\\\"Liquid solution and solid precipitate\\\",\\\"color\\\":\\\"Colorless to white\\\",\\\"gas_evolved\\\":false},{\\\"step_no\\\":3,\\\"observation\\\":\\\"Filtration gave a white solid; no bubbles or other gas generation were observed.\\\",\\\"phase_state\\\":\\\"White solid and colorless filtrate\\\",\\\"color\\\":\\\"White precipitate\\\",\\\"gas_evolved\\\":false}],\\\"measurements\\\":[{\\\"measurement_name\\\":\\\"Mass of mixed solution before reaction\\\",\\\"value\\\":20.0,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.01,\\\"step_no\\\":1},{\\\"measurement_name\\\":\\\"Mass of dried silver chloride precipitate\\\",\\\"value\\\":0.717,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.001,\\\"step_no\\\":3},{\\\"measurement_name\\\":\\\"Total recovered mass of filtrate and precipitate\\\",\\\"value\\\":20.0,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.01,\\\"step_no\\\":3}],\\\"conclusion_claim\\\":\\\"Silver nitrate reacts with sodium chloride to form a yellow silver chloride precipitate, and the mass of this precipitate is about 0.717 g.\\\"}\", \"verification_basis\": \"{\\\"expected_reaction\\\":\\\"AgNO₃ + NaCl → AgCl↓ + NaNO₃\\\",\\\"reaction_conditions\\\":{\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"pressure\\\":101.3,\\\"pressure_unit\\\":\\\"kilopascal\\\",\\\"ph\\\":7.0,\\\"required_reagents\\\":[\\\"Silver nitrate\\\",\\\"Sodium chloride\\\"]},\\\"conservation_rules\\\":[\\\"The numbers of atoms of each element Ag, N, O, Na, and Cl are conserved before and after the reaction.\\\",\\\"If no gas escapes, the total mass of the recovered filtrate and precipitate should match the mass of the mixed solution before the reaction.\\\"],\\\"simulation_state\\\":{\\\"state_label\\\":\\\"Reaction complete_white silver chloride precipitate\\\",\\\"event_log\\\":[\\\"Mixing of Ag+ and Cl- in aqueous solution detected.\\\",\\\"Formation of white AgCl precipitate detected.\\\",\\\"No gas generation detected.\\\",\\\"Simulated precipitate mass was about 0.7166 g.\\\"],\\\"expected_observations\\\":[\\\"A white precipitate forms immediately after mixing.\\\",\\\"The system does not produce bubbles.\\\",\\\"The mass of the dried precipitate is about 0.717 g.\\\"]},\\\"evidence_references\\\":[\\\"Precipitation reaction rule: Ag+ + Cl- → AgCl↓.\\\",\\\"The simulation state is explicitly labeled as white silver chloride precipitate.\\\",\\\"Precipitate mass measurement is used to check the amount of substance of the reactants.\\\"]}\", \"condition_validation\": \"{\\\"conditions_match\\\":true,\\\"failed_conditions\\\":[],\\\"condition_explanation\\\":\\\"Both required reagents were prepared; the experiment was conducted at 25.0 degrees Celsius, normal pressure, and near-neutral aqueous conditions, satisfying the simulated reaction conditions.\\\"}\", \"verification_summary\": \"The conclusion is not fully tenable. Silver nitrate and sodium chloride did form about 0.717 g of silver chloride precipitate, and the reaction conditions, conservation relationships, and simulation results are all consistent; however, silver chloride should be white, and the experimental observations also recorded it as white, so the description of a yellow precipitate in the claim is incorrect.\", \"verification_verdict\": \"false\", \"simulation_consistency\": \"{\\\"consistent\\\":true,\\\"matched_observations\\\":[\\\"A white precipitate formed immediately in step 2.\\\",\\\"A white solid was obtained in step 3.\\\",\\\"No bubbles were produced throughout the process.\\\",\\\"The mass of the dried precipitate was about 0.717 g.\\\"],\\\"mismatched_observations\\\":[],\\\"simulation_explanation\\\":\\\"The precipitate color, absence of gas generation, and precipitate mass recorded in the experiment are all consistent with the simulation expectations; what is inconsistent is the incorrect color description in the conclusion claim, not the experimental observations themselves.\\\"}\", \"conservation_validation\": \"{\\\"conservation_match\\\":true,\\\"mass_balance_difference\\\":0.0,\\\"violated_rules\\\":[],\\\"conservation_explanation\\\":\\\"The equation for the reaction of AgNO₃ with NaCl is correctly balanced. No gas escaped; the mass of the mixed solution before the reaction was 20.00 g, and the total recovered mass of filtrate and precipitate was also 20.00 g, with a mass difference of 0.00 g.\\\"}\"}","[{\"evidence_type\":\"Experimental observation\",\"source_path\":\"experiment_record.observations[0]\",\"supports_claim\":false,\"evidence_text\":\"The observation clearly records that the precipitate formed from a colorless system and was white, which does not match the yellow in the conclusion claim.\"},{\"evidence_type\":\"Measurement result\",\"source_path\":\"experiment_record.measurements[1]\",\"supports_claim\":true,\"evidence_text\":\"The mass of the silver chloride precipitate was 0.717 g, supporting the part of the claim about precipitate mass.\"},{\"evidence_type\":\"Simulation state\",\"source_path\":\"verification_basis.simulation_state.expected_observations[0]\",\"supports_claim\":false,\"evidence_text\":\"The simulation expects a white precipitate, refuting the description of a yellow silver chloride precipitate.\"}]","{\"experiment_goal\":\"Verify that silver nitrate and sodium chloride undergo a metathesis reaction and form silver chloride precipitate, and determine whether the description of the precipitate color in the conclusion is correct.\",\"reagents\":[{\"reagent_name\":\"Silver nitrate solution\",\"formula\":\"AgNO₃\",\"amount\":10.0,\"amount_unit\":\"milliliter\",\"concentration\":0.5,\"concentration_unit\":\"mole per liter\",\"role\":\"Reactant\"},{\"reagent_name\":\"Sodium chloride solution\",\"formula\":\"NaCl\",\"amount\":10.0,\"amount_unit\":\"milliliter\",\"concentration\":0.5,\"concentration_unit\":\"mole per liter\",\"role\":\"Reactant\"}],\"apparatus\":[{\"apparatus_name\":\"Test tube\",\"specification\":\"25 mL, transparent glass\",\"quantity\":1},{\"apparatus_name\":\"Glass funnel\",\"specification\":\"general laboratory use, with filter paper\",\"quantity\":1},{\"apparatus_name\":\"Electronic balance\",\"specification\":\"range 200 g, readability 0.001 g\",\"quantity\":1}],\"procedure_steps\":[{\"step_no\":1,\"operation\":\"Measure 10.0 mL each of 0.5 mol\u002FL silver nitrate solution and sodium chloride solution, and confirm that both solutions are colorless and near neutral.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":60.0,\"duration_unit\":\"second\",\"atmosphere\":\"Air, normal pressure\"},{\"step_no\":2,\"operation\":\"Slowly add the sodium chloride solution to the silver nitrate solution and gently swirl.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":30.0,\"duration_unit\":\"second\",\"atmosphere\":\"Air, normal pressure\"},{\"step_no\":3,\"operation\":\"Let stand until precipitation is complete, then filter with filter paper, dry the precipitate, and weigh it.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":300.0,\"duration_unit\":\"second\",\"atmosphere\":\"Air, normal pressure\"}],\"observations\":[{\"step_no\":2,\"observation\":\"After mixing, a fine, uniform white precipitate appeared immediately, and the solution remained essentially colorless.\",\"phase_state\":\"Liquid solution and solid precipitate\",\"color\":\"Colorless to white\",\"gas_evolved\":false},{\"step_no\":3,\"observation\":\"Filtration gave a white solid; no bubbles or other gas generation were observed.\",\"phase_state\":\"White solid and colorless filtrate\",\"color\":\"White precipitate\",\"gas_evolved\":false}],\"measurements\":[{\"measurement_name\":\"Mass of mixed solution before reaction\",\"value\":20.0,\"unit\":\"gram\",\"uncertainty\":0.01,\"step_no\":1},{\"measurement_name\":\"Mass of dried silver chloride precipitate\",\"value\":0.717,\"unit\":\"gram\",\"uncertainty\":0.001,\"step_no\":3},{\"measurement_name\":\"Total recovered mass of filtrate and precipitate\",\"value\":20.0,\"unit\":\"gram\",\"uncertainty\":0.01,\"step_no\":3}],\"conclusion_claim\":\"Silver nitrate reacts with sodium chloride to form a yellow silver chloride precipitate, and the mass of this precipitate is about 0.717 g.\"}","{\"expected_reaction\":\"AgNO₃ + NaCl → AgCl↓ + NaNO₃\",\"reaction_conditions\":{\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"pressure\":101.3,\"pressure_unit\":\"kilopascal\",\"ph\":7.0,\"required_reagents\":[\"Silver nitrate\",\"Sodium chloride\"]},\"conservation_rules\":[\"The numbers of atoms of each element Ag, N, O, Na, and Cl are conserved before and after the reaction.\",\"If no gas escapes, the total mass of the recovered filtrate and precipitate should match the mass of the mixed solution before the reaction.\"],\"simulation_state\":{\"state_label\":\"Reaction complete_white silver chloride precipitate\",\"event_log\":[\"Mixing of Ag+ and Cl- in aqueous solution detected.\",\"Formation of white AgCl precipitate detected.\",\"No gas generation detected.\",\"Simulated precipitate mass was about 0.7166 g.\"],\"expected_observations\":[\"A white precipitate forms immediately after mixing.\",\"The system does not produce bubbles.\",\"The mass of the dried precipitate is about 0.717 g.\"]},\"evidence_references\":[\"Precipitation reaction rule: Ag+ + Cl- → AgCl↓.\",\"The simulation state is explicitly labeled as white silver chloride precipitate.\",\"Precipitate mass measurement is used to check the amount of substance of the reactants.\"]}","{\"conditions_match\":true,\"failed_conditions\":[],\"condition_explanation\":\"Both required reagents were prepared; the experiment was conducted at 25.0 degrees Celsius, normal pressure, and near-neutral aqueous conditions, satisfying the simulated reaction conditions.\"}","The conclusion is not fully tenable. Silver nitrate and sodium chloride did form about 0.717 g of silver chloride precipitate, and the reaction conditions, conservation relationships, and simulation results are all consistent; however, silver chloride should be white, and the experimental observations also recorded it as white, so the description of a yellow precipitate in the claim is incorrect.","{\"consistent\":true,\"matched_observations\":[\"A white precipitate formed immediately in step 2.\",\"A white solid was obtained in step 3.\",\"No bubbles were produced throughout the process.\",\"The mass of the dried precipitate was about 0.717 g.\"],\"mismatched_observations\":[],\"simulation_explanation\":\"The precipitate color, absence of gas generation, and precipitate mass recorded in the experiment are all consistent with the simulation expectations; what is inconsistent is the incorrect color description in the conclusion claim, not the experimental observations themselves.\"}","{\"conservation_match\":true,\"mass_balance_difference\":0.0,\"violated_rules\":[],\"conservation_explanation\":\"The equation for the reaction of AgNO₃ with NaCl is correctly balanced. No gas escaped; the mass of the mixed solution before the reaction was 20.00 g, and the total recovered mass of filtrate and precipitate was also 20.00 g, with a mass difference of 0.00 g.\"}",{"id":678,"relate_table":651,"relate_id":679,"file_size":572,"file_name":680,"path":8,"duration":572,"cate":483,"file_format":654,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":681,"cate_name":656,"evidence_trace":682,"experiment_record":683,"verification_basis":684,"condition_validation":685,"verification_summary":686,"verification_verdict":687,"simulation_consistency":688,"conservation_validation":689},15331,1066011194,"样例_1.json","{\"evidence_trace\": \"[{\\\"evidence_type\\\":\\\"Experimental observation\\\",\\\"source_path\\\":\\\"experiment_record.observations[0]\\\",\\\"supports_claim\\\":true,\\\"evidence_text\\\":\\\"Step 2 records continuous bubbles, and gas_evolved is true, supporting carbon dioxide generation.\\\"},{\\\"evidence_type\\\":\\\"Measurement result\\\",\\\"source_path\\\":\\\"experiment_record.measurements[1]\\\",\\\"supports_claim\\\":true,\\\"evidence_text\\\":\\\"Step 3 measured a gas volume of 244.0 mL, consistent with simulation expectations.\\\"},{\\\"evidence_type\\\":\\\"Conservation rule\\\",\\\"source_path\\\":\\\"verification_basis.conservation_rules[1]\\\",\\\"supports_claim\\\":true,\\\"evidence_text\\\":\\\"The mass of the closed system before and after the reaction was 50.000 g, and the mass balance difference was 0.000 g.\\\"}]\", \"experiment_record\": \"{\\\"experiment_goal\\\":\\\"Verify that sodium bicarbonate reacts with hydrochloric acid to produce carbon dioxide and check mass conservation in a closed system.\\\",\\\"reagents\\\":[{\\\"reagent_name\\\":\\\"Sodium bicarbonate\\\",\\\"formula\\\":\\\"NaHCO₃\\\",\\\"amount\\\":0.01,\\\"amount_unit\\\":\\\"mole\\\",\\\"concentration\\\":1.0,\\\"concentration_unit\\\":\\\"mole per liter\\\",\\\"role\\\":\\\"Reactant\\\"},{\\\"reagent_name\\\":\\\"Hydrochloric acid\\\",\\\"formula\\\":\\\"HCl\\\",\\\"amount\\\":0.01,\\\"amount_unit\\\":\\\"mole\\\",\\\"concentration\\\":1.0,\\\"concentration_unit\\\":\\\"mole per liter\\\",\\\"role\\\":\\\"Reactant\\\"}],\\\"apparatus\\\":[{\\\"apparatus_name\\\":\\\"Conical flask\\\",\\\"specification\\\":\\\"100 mL, with rubber stopper port\\\",\\\"quantity\\\":1},{\\\"apparatus_name\\\":\\\"Gas syringe\\\",\\\"specification\\\":\\\"500 mL, graduation 1 mL\\\",\\\"quantity\\\":1},{\\\"apparatus_name\\\":\\\"Electronic balance\\\",\\\"specification\\\":\\\"range 200 g, readability 0.001 g\\\",\\\"quantity\\\":1}],\\\"procedure_steps\\\":[{\\\"step_no\\\":1,\\\"operation\\\":\\\"Add 0.01 mol sodium bicarbonate to the conical flask, fit a rubber stopper with a gas syringe, and record the initial mass of the apparatus.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":60.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, apparatus then sealed\\\"},{\\\"step_no\\\":2,\\\"operation\\\":\\\"Add 0.01 mol hydrochloric acid; before mixing, the solution is acidic, with pH about 1.0.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":30.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Sealed, near normal pressure\\\"},{\\\"step_no\\\":3,\\\"operation\\\":\\\"Gently swirl the conical flask to complete the reaction, read the gas syringe volume, and weigh the total mass of the sealed apparatus.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":120.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Sealed\\\"}],\\\"observations\\\":[{\\\"step_no\\\":2,\\\"observation\\\":\\\"Continuous bubbles appeared immediately after adding hydrochloric acid, and the gas syringe plunger moved outward.\\\",\\\"phase_state\\\":\\\"Liquid solution and gas coexist\\\",\\\"color\\\":\\\"Colorless solution, no obvious color change\\\",\\\"gas_evolved\\\":true},{\\\"step_no\\\":3,\\\"observation\\\":\\\"Bubbles gradually decreased and stopped; a colorless gas was collected, and the system remained a colorless solution.\\\",\\\"phase_state\\\":\\\"Liquid solution and gas\\\",\\\"color\\\":\\\"Colorless\\\",\\\"gas_evolved\\\":true}],\\\"measurements\\\":[{\\\"measurement_name\\\":\\\"Total mass of sealed apparatus before reaction\\\",\\\"value\\\":50.0,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.001,\\\"step_no\\\":1},{\\\"measurement_name\\\":\\\"Volume of collected carbon dioxide\\\",\\\"value\\\":244.0,\\\"unit\\\":\\\"milliliter\\\",\\\"uncertainty\\\":2.0,\\\"step_no\\\":3},{\\\"measurement_name\\\":\\\"Total mass of sealed apparatus after reaction\\\",\\\"value\\\":50.0,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.001,\\\"step_no\\\":3}],\\\"conclusion_claim\\\":\\\"Equal amounts of substance of sodium bicarbonate and hydrochloric acid under these conditions produce carbon dioxide, and the total mass of the sealed system remains unchanged before and after the reaction.\\\"}\", \"verification_basis\": \"{\\\"expected_reaction\\\":\\\"NaHCO₃ + HCl → NaCl + H₂O + CO₂↑\\\",\\\"reaction_conditions\\\":{\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"pressure\\\":101.3,\\\"pressure_unit\\\":\\\"kilopascal\\\",\\\"ph\\\":1.0,\\\"required_reagents\\\":[\\\"Sodium bicarbonate\\\",\\\"Hydrochloric acid\\\"]},\\\"conservation_rules\\\":[\\\"The number of atoms of each element Na, H, C, O, and Cl is conserved in the reaction equation.\\\",\\\"In a closed system, the total mass before and after the reaction should be equal, with an allowable error of no more than 0.01 g.\\\"],\\\"simulation_state\\\":{\\\"state_label\\\":\\\"Reaction complete_carbon dioxide generated\\\",\\\"event_log\\\":[\\\"Contact between hydrochloric acid and sodium bicarbonate detected.\\\",\\\"Continuous bubbles detected and carbon dioxide formation determined.\\\",\\\"Gas volume stabilized at about 244 mL.\\\",\\\"Mass difference of the closed system was 0.000 g.\\\"],\\\"expected_observations\\\":[\\\"Continuous bubbles appear and a colorless gas is generated.\\\",\\\"The solution remains colorless.\\\",\\\"The total mass of the closed system remains unchanged.\\\"]},\\\"evidence_references\\\":[\\\"Reaction rule: NaHCO₃ + HCl → NaCl + H₂O + CO₂↑.\\\",\\\"The simulated event log shows that the gas volume stabilized at about 244 mL.\\\",\\\"Mass measurement results of the sealed apparatus are used to check mass conservation.\\\"]}\", \"condition_validation\": \"{\\\"conditions_match\\\":true,\\\"failed_conditions\\\":[],\\\"condition_explanation\\\":\\\"The experiment used the two expected reactants; the step temperature was 25.0 degrees Celsius, the apparatus was near normal pressure, and the conditions before mixing were acidic, matching the verification basis.\\\"}\", \"verification_summary\": \"The conclusion holds. The experimental setup contains sodium bicarbonate and hydrochloric acid; the temperature, pressure, and acidic conditions meet the simulation requirements. Bubbles and a colorless gas were observed, the gas volume was about 244.0 mL, and the mass difference of the closed system was 0.000 g. The reaction equation and measurement results both conform to element conservation and mass conservation.\", \"verification_verdict\": \"true\", \"simulation_consistency\": \"{\\\"consistent\\\":true,\\\"matched_observations\\\":[\\\"Continuous bubbles appeared in step 2.\\\",\\\"In step 3, a colorless gas was collected, with a volume of about 244.0 mL.\\\",\\\"The solution remained colorless.\\\",\\\"The total mass of the closed system remained unchanged.\\\"],\\\"mismatched_observations\\\":[],\\\"simulation_explanation\\\":\\\"The experimental observations, gas volume, and mass measurements are all consistent with the carbon dioxide generation event and expected phenomena in the simulation state.\\\"}\", \"conservation_validation\": \"{\\\"conservation_match\\\":true,\\\"mass_balance_difference\\\":0.0,\\\"violated_rules\\\":[],\\\"conservation_explanation\\\":\\\"In the balanced equation for the reaction of NaHCO₃ with HCl, the numbers of atoms of each element are equal; the mass of the sealed apparatus was 50.000 g before and after the reaction, with a difference of 0.000 g, and no conservation violation was found.\\\"}\"}","[{\"evidence_type\":\"Experimental observation\",\"source_path\":\"experiment_record.observations[0]\",\"supports_claim\":true,\"evidence_text\":\"Step 2 records continuous bubbles, and gas_evolved is true, supporting carbon dioxide generation.\"},{\"evidence_type\":\"Measurement result\",\"source_path\":\"experiment_record.measurements[1]\",\"supports_claim\":true,\"evidence_text\":\"Step 3 measured a gas volume of 244.0 mL, consistent with simulation expectations.\"},{\"evidence_type\":\"Conservation rule\",\"source_path\":\"verification_basis.conservation_rules[1]\",\"supports_claim\":true,\"evidence_text\":\"The mass of the closed system before and after the reaction was 50.000 g, and the mass balance difference was 0.000 g.\"}]","{\"experiment_goal\":\"Verify that sodium bicarbonate reacts with hydrochloric acid to produce carbon dioxide and check mass conservation in a closed system.\",\"reagents\":[{\"reagent_name\":\"Sodium bicarbonate\",\"formula\":\"NaHCO₃\",\"amount\":0.01,\"amount_unit\":\"mole\",\"concentration\":1.0,\"concentration_unit\":\"mole per liter\",\"role\":\"Reactant\"},{\"reagent_name\":\"Hydrochloric acid\",\"formula\":\"HCl\",\"amount\":0.01,\"amount_unit\":\"mole\",\"concentration\":1.0,\"concentration_unit\":\"mole per liter\",\"role\":\"Reactant\"}],\"apparatus\":[{\"apparatus_name\":\"Conical flask\",\"specification\":\"100 mL, with rubber stopper port\",\"quantity\":1},{\"apparatus_name\":\"Gas syringe\",\"specification\":\"500 mL, graduation 1 mL\",\"quantity\":1},{\"apparatus_name\":\"Electronic balance\",\"specification\":\"range 200 g, readability 0.001 g\",\"quantity\":1}],\"procedure_steps\":[{\"step_no\":1,\"operation\":\"Add 0.01 mol sodium bicarbonate to the conical flask, fit a rubber stopper with a gas syringe, and record the initial mass of the apparatus.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":60.0,\"duration_unit\":\"second\",\"atmosphere\":\"Air, apparatus then sealed\"},{\"step_no\":2,\"operation\":\"Add 0.01 mol hydrochloric acid; before mixing, the solution is acidic, with pH about 1.0.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":30.0,\"duration_unit\":\"second\",\"atmosphere\":\"Sealed, near normal pressure\"},{\"step_no\":3,\"operation\":\"Gently swirl the conical flask to complete the reaction, read the gas syringe volume, and weigh the total mass of the sealed apparatus.\",\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"duration\":120.0,\"duration_unit\":\"second\",\"atmosphere\":\"Sealed\"}],\"observations\":[{\"step_no\":2,\"observation\":\"Continuous bubbles appeared immediately after adding hydrochloric acid, and the gas syringe plunger moved outward.\",\"phase_state\":\"Liquid solution and gas coexist\",\"color\":\"Colorless solution, no obvious color change\",\"gas_evolved\":true},{\"step_no\":3,\"observation\":\"Bubbles gradually decreased and stopped; a colorless gas was collected, and the system remained a colorless solution.\",\"phase_state\":\"Liquid solution and gas\",\"color\":\"Colorless\",\"gas_evolved\":true}],\"measurements\":[{\"measurement_name\":\"Total mass of sealed apparatus before reaction\",\"value\":50.0,\"unit\":\"gram\",\"uncertainty\":0.001,\"step_no\":1},{\"measurement_name\":\"Volume of collected carbon dioxide\",\"value\":244.0,\"unit\":\"milliliter\",\"uncertainty\":2.0,\"step_no\":3},{\"measurement_name\":\"Total mass of sealed apparatus after reaction\",\"value\":50.0,\"unit\":\"gram\",\"uncertainty\":0.001,\"step_no\":3}],\"conclusion_claim\":\"Equal amounts of substance of sodium bicarbonate and hydrochloric acid under these conditions produce carbon dioxide, and the total mass of the sealed system remains unchanged before and after the reaction.\"}","{\"expected_reaction\":\"NaHCO₃ + HCl → NaCl + H₂O + CO₂↑\",\"reaction_conditions\":{\"temperature\":25.0,\"temperature_unit\":\"degree Celsius\",\"pressure\":101.3,\"pressure_unit\":\"kilopascal\",\"ph\":1.0,\"required_reagents\":[\"Sodium bicarbonate\",\"Hydrochloric acid\"]},\"conservation_rules\":[\"The number of atoms of each element Na, H, C, O, and Cl is conserved in the reaction equation.\",\"In a closed system, the total mass before and after the reaction should be equal, with an allowable error of no more than 0.01 g.\"],\"simulation_state\":{\"state_label\":\"Reaction complete_carbon dioxide generated\",\"event_log\":[\"Contact between hydrochloric acid and sodium bicarbonate detected.\",\"Continuous bubbles detected and carbon dioxide formation determined.\",\"Gas volume stabilized at about 244 mL.\",\"Mass difference of the closed system was 0.000 g.\"],\"expected_observations\":[\"Continuous bubbles appear and a colorless gas is generated.\",\"The solution remains colorless.\",\"The total mass of the closed system remains unchanged.\"]},\"evidence_references\":[\"Reaction rule: NaHCO₃ + HCl → NaCl + H₂O + CO₂↑.\",\"The simulated event log shows that the gas volume stabilized at about 244 mL.\",\"Mass measurement results of the sealed apparatus are used to check mass conservation.\"]}","{\"conditions_match\":true,\"failed_conditions\":[],\"condition_explanation\":\"The experiment used the two expected reactants; the step temperature was 25.0 degrees Celsius, the apparatus was near normal pressure, and the conditions before mixing were acidic, matching the verification basis.\"}","The conclusion holds. The experimental setup contains sodium bicarbonate and hydrochloric acid; the temperature, pressure, and acidic conditions meet the simulation requirements. Bubbles and a colorless gas were observed, the gas volume was about 244.0 mL, and the mass difference of the closed system was 0.000 g. The reaction equation and measurement results both conform to element conservation and mass conservation.","true","{\"consistent\":true,\"matched_observations\":[\"Continuous bubbles appeared in step 2.\",\"In step 3, a colorless gas was collected, with a volume of about 244.0 mL.\",\"The solution remained colorless.\",\"The total mass of the closed system remained unchanged.\"],\"mismatched_observations\":[],\"simulation_explanation\":\"The experimental observations, gas volume, and mass measurements are all consistent with the carbon dioxide generation event and expected phenomena in the simulation state.\"}","{\"conservation_match\":true,\"mass_balance_difference\":0.0,\"violated_rules\":[],\"conservation_explanation\":\"In the balanced equation for the reaction of NaHCO₃ with HCl, the numbers of atoms of each element are equal; the mass of the sealed apparatus was 50.000 g before and after the reaction, with a difference of 0.000 g, and no conservation violation was found.\"}","{\"evidence_trace\":\"[{\\\"evidence_type\\\":\\\"Reaction condition\\\",\\\"source_path\\\":\\\"verification_basis.reaction_conditions.required_reagents\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"The verification conditions require manganese dioxide catalyst, but this reagent was not prepared in experiment_record.reagents.\\\"},{\\\"evidence_type\\\":\\\"Experimental observation\\\",\\\"source_path\\\":\\\"experiment_record.observations[1]\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"After standing for three minutes, no obvious gas was detected, and gas_evolved is false, refuting the claim of immediate production of sufficient oxygen.\\\"},{\\\"evidence_type\\\":\\\"Simulation state\\\",\\\"source_path\\\":\\\"verification_basis.simulation_state.event_log[1]\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"The simulation log explicitly indicates that no obvious decomposition rate was reached within the room-temperature observation window.\\\"},{\\\"evidence_type\\\":\\\"Conservation rule\\\",\\\"source_path\\\":\\\"experiment_record.measurements[2]\\\",\\\"supports_claim\\\":false,\\\"evidence_text\\\":\\\"The system mass remaining unchanged only indicates that no obvious material escape was observed; it cannot prove that oxygen has been generated.\\\"}]\",\"experiment_record\":\"{\\\"experiment_goal\\\":\\\"Verify whether, without adding a catalyst, dilute hydrogen peroxide solution immediately produces detectable oxygen at room temperature.\\\",\\\"reagents\\\":[{\\\"reagent_name\\\":\\\"Hydrogen peroxide solution\\\",\\\"formula\\\":\\\"H₂O₂\\\",\\\"amount\\\":20.0,\\\"amount_unit\\\":\\\"milliliter\\\",\\\"concentration\\\":3.0,\\\"concentration_unit\\\":\\\"mass percent\\\",\\\"role\\\":\\\"Reactant\\\"},{\\\"reagent_name\\\":\\\"Distilled water\\\",\\\"formula\\\":\\\"H₂O\\\",\\\"amount\\\":5.0,\\\"amount_unit\\\":\\\"milliliter\\\",\\\"concentration\\\":55.5,\\\"concentration_unit\\\":\\\"mole per liter\\\",\\\"role\\\":\\\"Diluent\\\"}],\\\"apparatus\\\":[{\\\"apparatus_name\\\":\\\"Beaker\\\",\\\"specification\\\":\\\"50 mL, transparent glass\\\",\\\"quantity\\\":1},{\\\"apparatus_name\\\":\\\"Graduated cylinder\\\",\\\"specification\\\":\\\"25 mL, graduation 0.5 mL\\\",\\\"quantity\\\":1},{\\\"apparatus_name\\\":\\\"Gas syringe\\\",\\\"specification\\\":\\\"100 mL, graduation 1 mL\\\",\\\"quantity\\\":1}],\\\"procedure_steps\\\":[{\\\"step_no\\\":1,\\\"operation\\\":\\\"Measure 20.0 mL of 3% hydrogen peroxide solution and 5.0 mL of distilled water, add to the beaker; no manganese dioxide is added in the experimental setup.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":60.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"},{\\\"step_no\\\":2,\\\"operation\\\":\\\"Stir the diluted hydrogen peroxide solution, and place a gas syringe above the liquid surface to detect evolved gas.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":60.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"},{\\\"step_no\\\":3,\\\"operation\\\":\\\"Let stand and observe gas generation, and record the gas syringe volume and solution state.\\\",\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"duration\\\":180.0,\\\"duration_unit\\\":\\\"second\\\",\\\"atmosphere\\\":\\\"Air, normal pressure\\\"}],\\\"observations\\\":[{\\\"step_no\\\":2,\\\"observation\\\":\\\"After mixing and stirring, no sustained bubbles were observed, and the solution remained clear.\\\",\\\"phase_state\\\":\\\"Liquid solution\\\",\\\"color\\\":\\\"Colorless\\\",\\\"gas_evolved\\\":false},{\\\"step_no\\\":3,\\\"observation\\\":\\\"After standing for three minutes, no obvious gas generation was detected, and the gas syringe volume showed no discernible change.\\\",\\\"phase_state\\\":\\\"Liquid solution\\\",\\\"color\\\":\\\"Colorless\\\",\\\"gas_evolved\\\":false}],\\\"measurements\\\":[{\\\"measurement_name\\\":\\\"Mass of system before reaction\\\",\\\"value\\\":25.0,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.01,\\\"step_no\\\":1},{\\\"measurement_name\\\":\\\"Detected gas volume increment\\\",\\\"value\\\":0.0,\\\"unit\\\":\\\"milliliter\\\",\\\"uncertainty\\\":1.0,\\\"step_no\\\":3},{\\\"measurement_name\\\":\\\"Mass of system at end of observation\\\",\\\"value\\\":25.0,\\\"unit\\\":\\\"gram\\\",\\\"uncertainty\\\":0.01,\\\"step_no\\\":3}],\\\"conclusion_claim\\\":\\\"Without adding manganese dioxide, hydrogen peroxide immediately decomposes at room temperature and produces sufficient oxygen.\\\"}\",\"verification_basis\":\"{\\\"expected_reaction\\\":\\\"2H₂O₂ → 2H₂O + O₂↑; in the virtual experiment rules, manganese dioxide catalyst is required at room temperature to produce obvious gas within the observation period.\\\",\\\"reaction_conditions\\\":{\\\"temperature\\\":25.0,\\\"temperature_unit\\\":\\\"degree Celsius\\\",\\\"pressure\\\":101.3,\\\"pressure_unit\\\":\\\"kilopascal\\\",\\\"ph\\\":6.0,\\\"required_reagents\\\":[\\\"Hydrogen peroxide\\\",\\\"Manganese dioxide catalyst\\\"]},\\\"conservation_rules\\\":[\\\"The numbers of H and O atoms are conserved before and after the decomposition reaction; in the balanced equation, the coefficients of H₂O₂, H₂O, and O₂ are 2, 2, and 1, respectively.\\\",\\\"In an observation system with no obvious gas escape, the recorded system mass before and after the reaction should be essentially equal.\\\"],\\\"simulation_state\\\":{\\\"state_label\\\":\\\"Reaction not clearly initiated_lack of catalyst\\\",\\\"event_log\\\":[\\\"Hydrogen peroxide and water detected, but no manganese dioxide catalyst detected.\\\",\\\"No obvious decomposition rate was reached within the room-temperature observation window.\\\",\\\"The gas volume increment remained within measurement uncertainty.\\\",\\\"The system mass difference was 0.00 g.\\\"],\\\"expected_observations\\\":[\\\"No sustained bubbles during the three-minute observation period.\\\",\\\"The solution remains colorless and clear.\\\",\\\"The detected gas volume increment is about 0 mL.\\\"]},\\\"evidence_references\\\":[\\\"The virtual experiment condition rules require manganese dioxide as a catalyst for significant decomposition.\\\",\\\"The simulated event log records that no catalyst was detected and no obvious reaction started.\\\",\\\"Gas volume and system mass measurements are used to check the observation results.\\\"]}\",\"condition_validation\":\"{\\\"conditions_match\\\":false,\\\"failed_conditions\\\":[\\\"The necessary manganese dioxide catalyst was not prepared\\\"],\\\"condition_explanation\\\":\\\"The temperature, pressure, and pH are within the simulated specified ranges, but the required reagent list requires manganese dioxide catalyst, while the experimental reagent setup contains only hydrogen peroxide and water, so the reaction conditions are incomplete.\\\"}\",\"verification_summary\":\"The conclusion does not hold. The experiment lacked the manganese dioxide catalyst required by the verification basis, and the simulation state expected no obvious oxygen generation during the room-temperature observation period; the actual observations showed no sustained bubbles and a gas increment of 0.0 mL. Although the element conservation rules themselves were not violated and the system mass remained unchanged, these results cannot support the claim of immediate production of sufficient oxygen.\",\"verification_verdict\":\"false\",\"simulation_consistency\":\"{\\\"consistent\\\":true,\\\"matched_observations\\\":[\\\"No sustained bubbles appeared in step 2.\\\",\\\"The gas volume increment in step 3 was 0.0 mL.\\\",\\\"The solution remained colorless and clear throughout.\\\",\\\"The system mass difference was 0.00 g.\\\"],\\\"mismatched_observations\\\":[],\\\"simulation_explanation\\\":\\\"The experimental observations are fully consistent with the simulation state when no catalyst is present; the simulation did not expect obvious gas generation, so the observation results cannot support the positive conclusion claim in the experimental record.\\\"}\",\"conservation_validation\":\"{\\\"conservation_match\\\":true,\\\"mass_balance_difference\\\":0.0,\\\"violated_rules\\\":[],\\\"conservation_explanation\\\":\\\"No detectable gas escape occurred in the recorded experiment; the system mass was 25.00 g before and after the reaction, with a mass difference of 0.00 g; the given decomposition reaction equation also satisfies H and O element conservation.\\\"}\"}","MOBIUSI INC","https:\u002F\u002Fstatic.mobiusi.com\u002Fmobiwusi\u002F20250829\u002F7bf4ac62b4533e2b809998a6f1c5491e.png?Expires=1792463130&OSSAccessKeyId=LTAI5tH8MQqhgeiAtrzCHrxM&Signature=v6Tr8jBrdm4s5wU1SnnyGsYg%2Bhw%3D&x-oss-process=image%2Fresize%2Cm_fill%2Cw_35%2Ch_35",[694,700],{"type":695,"title":696,"count_data":697},"bar","Length distribution",[698],{"name":699,"value":483},"1k lower",{"type":701,"title":702,"count_data":703},"pie","Language distribution",[704],{"name":705,"value":483},"English"]