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In Miller's experiment, he used a mixture of CH4, NH3, H2, and water vapour in a closed flask to mimic early earth's conditions. What was the temperature at which this flask was kept?
- a)800°C
- b)1200°C
- c)200°C
- d)400°C
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
In Miller's experiment, he used a mixture of CH4, NH3, H2, and water ...
Miller sealed in a spark chamber a mixture of water (H2O), methane (CH4), ammonia (NH3), and hydrogen gas (H2). He made arrangements for the insertion of two electrodes to provide electrical energy (simulation of lightning) to the spark chamber. CH4, NH3, H2 were in a 2:1:2 ratio. Electric sparks of 75,000 volts were provided to the mixture. The spark chamber was connected to another flask with an arrangement for boiling water at 800°C (provision for evaporation). The other end of the spark chamber was connected to a trap by a tube that passed through a condenser (an arrangement for condensation and collection of an aqueous solution, equivalent to rain and Haldane's soup). The trap, in turn, was connected with the flask for boiling water (arrangement for circulation).
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In Miller's experiment, he used a mixture of CH4, NH3, H2, and water ...
Experiment Setup:
- Miller's experiment aimed to simulate the conditions of early Earth's atmosphere.
- The mixture used in the experiment consisted of CH4 (methane), NH3 (ammonia), H2 (hydrogen), and water vapor.
- The flask containing the mixture was kept in a closed system.
Impact of Temperature:
- Temperature plays a crucial role in chemical reactions and their rates.
- In the context of Miller's experiment, different temperatures would have different effects on the simulated early Earth conditions.
Explanation:
- The correct answer is option A) 800°C.
- Miller conducted his experiment at a relatively high temperature to simulate the conditions of early Earth.
- The temperature of 800°C was chosen based on the understanding that early Earth's atmosphere was likely to be hot due to volcanic activity and other geothermal processes.
- At this high temperature, the molecules in the mixture would have sufficient energy to undergo various chemical reactions.
Reasons for Choosing 800°C:
1. Simulating Volcanic Activity:
- Early Earth was characterized by intense volcanic activity, releasing high temperatures.
- By setting the temperature at 800°C, Miller aimed to mimic the conditions of this volcanic activity.
2. Enhancing Reaction Rates:
- Higher temperatures generally increase the rate of chemical reactions.
- By raising the temperature to 800°C, Miller aimed to accelerate the reaction rates in the mixture.
- This allowed for a more efficient simulation of the chemical processes that could have occurred on early Earth.
3. Promoting Formation of Complex Organic Molecules:
- The goal of Miller's experiment was to demonstrate the formation of organic compounds, including amino acids, under conditions similar to early Earth.
- Higher temperatures favor the formation of complex organic molecules from simpler molecules.
- By choosing 800°C, Miller aimed to enhance the production of these organic compounds.
Conclusion:
- Miller's experiment simulated the conditions of early Earth's atmosphere using a mixture of CH4, NH3, H2, and water vapor.
- The flask containing the mixture was kept at a temperature of 800°C.
- This high temperature was chosen to mimic the volcanic activity and promote the formation of complex organic molecules.
- By conducting the experiment at 800°C, Miller successfully demonstrated the synthesis of amino acids, providing valuable insights into the origins of life on Earth.
- Miller's experiment aimed to simulate the conditions of early Earth's atmosphere.
- The mixture used in the experiment consisted of CH4 (methane), NH3 (ammonia), H2 (hydrogen), and water vapor.
- The flask containing the mixture was kept in a closed system.
Impact of Temperature:
- Temperature plays a crucial role in chemical reactions and their rates.
- In the context of Miller's experiment, different temperatures would have different effects on the simulated early Earth conditions.
Explanation:
- The correct answer is option A) 800°C.
- Miller conducted his experiment at a relatively high temperature to simulate the conditions of early Earth.
- The temperature of 800°C was chosen based on the understanding that early Earth's atmosphere was likely to be hot due to volcanic activity and other geothermal processes.
- At this high temperature, the molecules in the mixture would have sufficient energy to undergo various chemical reactions.
Reasons for Choosing 800°C:
1. Simulating Volcanic Activity:
- Early Earth was characterized by intense volcanic activity, releasing high temperatures.
- By setting the temperature at 800°C, Miller aimed to mimic the conditions of this volcanic activity.
2. Enhancing Reaction Rates:
- Higher temperatures generally increase the rate of chemical reactions.
- By raising the temperature to 800°C, Miller aimed to accelerate the reaction rates in the mixture.
- This allowed for a more efficient simulation of the chemical processes that could have occurred on early Earth.
3. Promoting Formation of Complex Organic Molecules:
- The goal of Miller's experiment was to demonstrate the formation of organic compounds, including amino acids, under conditions similar to early Earth.
- Higher temperatures favor the formation of complex organic molecules from simpler molecules.
- By choosing 800°C, Miller aimed to enhance the production of these organic compounds.
Conclusion:
- Miller's experiment simulated the conditions of early Earth's atmosphere using a mixture of CH4, NH3, H2, and water vapor.
- The flask containing the mixture was kept at a temperature of 800°C.
- This high temperature was chosen to mimic the volcanic activity and promote the formation of complex organic molecules.
- By conducting the experiment at 800°C, Miller successfully demonstrated the synthesis of amino acids, providing valuable insights into the origins of life on Earth.
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In Miller's experiment, he used a mixture of CH4, NH3, H2, and water vapour in a closed flask to mimic early earth's conditions. What was the temperature at which this flask was kept?a)800°Cb)1200°Cc)200°Cd)400°CCorrect answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In Miller's experiment, he used a mixture of CH4, NH3, H2, and water vapour in a closed flask to mimic early earth's conditions. What was the temperature at which this flask was kept?a)800°Cb)1200°Cc)200°Cd)400°CCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In Miller's experiment, he used a mixture of CH4, NH3, H2, and water vapour in a closed flask to mimic early earth's conditions. What was the temperature at which this flask was kept?a)800°Cb)1200°Cc)200°Cd)400°CCorrect answer is option 'A'. Can you explain this answer?.
In Miller's experiment, he used a mixture of CH4, NH3, H2, and water vapour in a closed flask to mimic early earth's conditions. What was the temperature at which this flask was kept?a)800°Cb)1200°Cc)200°Cd)400°CCorrect answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In Miller's experiment, he used a mixture of CH4, NH3, H2, and water vapour in a closed flask to mimic early earth's conditions. What was the temperature at which this flask was kept?a)800°Cb)1200°Cc)200°Cd)400°CCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In Miller's experiment, he used a mixture of CH4, NH3, H2, and water vapour in a closed flask to mimic early earth's conditions. What was the temperature at which this flask was kept?a)800°Cb)1200°Cc)200°Cd)400°CCorrect answer is option 'A'. Can you explain this answer?.
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