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Absolute zero pressure will occur
- a)at seal level
- b)at the centre of the earth
- c)when molecular momentum of the system becomes zero
- d)under vacuum conditions
- e)at a temperature of – 273°K
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Absolute zero pressure will occura)at seal levelb)at the centre of the...
Absolute zero. Absolute zero, temperature at which a thermodynamic system has the lowest energy. It corresponds to −273.15 degreeC on the Celsius temperature scale and to −459.67 degreeF on the Fahrenheit temperature scale.
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Absolute zero pressure will occura)at seal levelb)at the centre of the...
Absolute Zero Pressure
Definition of Absolute Zero Pressure
Absolute zero pressure is the pressure that occurs when there is no molecular momentum in the system.
Explanation
When a gas is cooled to absolute zero temperature, all the molecules come to rest, and there is no molecular momentum in the system. At this point, the pressure of the gas becomes zero.
Factors affecting Absolute Zero Pressure
There are several factors that affect absolute zero pressure, including:
- Temperature: Absolute zero pressure occurs at a temperature of 0 K (-273.15°C).
- Molecular momentum: As mentioned earlier, absolute zero pressure occurs when molecular momentum in the system becomes zero.
- Volume: The volume of the gas also affects absolute zero pressure. At a constant temperature, pressure and volume are inversely proportional to each other according to Boyle's Law. Hence, if the volume of the gas is reduced to zero, the pressure will be infinite.
Applications of Absolute Zero Pressure
- Absolute zero pressure is used in vacuum systems, such as in vacuum chambers or vacuum pumps.
- It is also used in certain industrial processes, such as in the manufacture of semiconductors, where a vacuum is needed to prevent contamination of the materials.
Conclusion
Absolute zero pressure is a state that occurs when there is no molecular momentum in the system. It is relevant in vacuum systems and certain industrial processes.
Definition of Absolute Zero Pressure
Absolute zero pressure is the pressure that occurs when there is no molecular momentum in the system.
Explanation
When a gas is cooled to absolute zero temperature, all the molecules come to rest, and there is no molecular momentum in the system. At this point, the pressure of the gas becomes zero.
Factors affecting Absolute Zero Pressure
There are several factors that affect absolute zero pressure, including:
- Temperature: Absolute zero pressure occurs at a temperature of 0 K (-273.15°C).
- Molecular momentum: As mentioned earlier, absolute zero pressure occurs when molecular momentum in the system becomes zero.
- Volume: The volume of the gas also affects absolute zero pressure. At a constant temperature, pressure and volume are inversely proportional to each other according to Boyle's Law. Hence, if the volume of the gas is reduced to zero, the pressure will be infinite.
Applications of Absolute Zero Pressure
- Absolute zero pressure is used in vacuum systems, such as in vacuum chambers or vacuum pumps.
- It is also used in certain industrial processes, such as in the manufacture of semiconductors, where a vacuum is needed to prevent contamination of the materials.
Conclusion
Absolute zero pressure is a state that occurs when there is no molecular momentum in the system. It is relevant in vacuum systems and certain industrial processes.
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Absolute zero pressure will occura)at seal levelb)at the centre of the earthc)when molecular momentum of the system becomes zerod)under vacuum conditionse)at a temperature of – 273°KCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Absolute zero pressure will occura)at seal levelb)at the centre of the earthc)when molecular momentum of the system becomes zerod)under vacuum conditionse)at a temperature of – 273°KCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Absolute zero pressure will occura)at seal levelb)at the centre of the earthc)when molecular momentum of the system becomes zerod)under vacuum conditionse)at a temperature of – 273°KCorrect answer is option 'C'. Can you explain this answer?.
Absolute zero pressure will occura)at seal levelb)at the centre of the earthc)when molecular momentum of the system becomes zerod)under vacuum conditionse)at a temperature of – 273°KCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Absolute zero pressure will occura)at seal levelb)at the centre of the earthc)when molecular momentum of the system becomes zerod)under vacuum conditionse)at a temperature of – 273°KCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Absolute zero pressure will occura)at seal levelb)at the centre of the earthc)when molecular momentum of the system becomes zerod)under vacuum conditionse)at a temperature of – 273°KCorrect answer is option 'C'. Can you explain this answer?.
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