Chemistry Exam > Chemistry Questions > A gas is liquefied:a)Above critical temperatu...
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A gas is liquefied:
- a)Above critical temperature and below critical pressure
- b)Below critical temperature and above critical pressure
- c)Below critical temperature and pressure
- d)Above critical temperature and pressure
Correct answer is option 'C'. Can you explain this answer?
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A gas is liquefied:a)Above critical temperature and below critical pre...
In general, gases can be liquefied by one of three general methods:
1) By compressing the gas at temperatures less than its critical temperature;
In this approach, the application of pressure alone is sufficient to cause a gas to change to a liquid. For example, ammonia has a critical temperature of 271 degF (133 deg C).
In this approach, the application of pressure alone is sufficient to cause a gas to change to a liquid. For example, ammonia has a critical temperature of 271 degF (133 deg C).
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A gas is liquefied:a)Above critical temperature and below critical pre...
Gas Liquefaction Process Explanation:
Gas liquefaction is the process of converting a gas into a liquid state. This process is achieved by manipulating the temperature and pressure conditions of the gas.
Below Critical Temperature and Pressure:
- The gas must be cooled below its critical temperature.
- At this temperature, the gas molecules lose enough kinetic energy to come closer together and form a liquid.
- Additionally, the pressure exerted on the gas must be above its vapor pressure at the given temperature to force the gas molecules to condense into a liquid state.
Above Critical Temperature and Below Critical Pressure:
- When a gas is above its critical temperature, it cannot be liquefied regardless of the pressure applied.
- The critical temperature is the temperature above which a gas cannot be liquefied, no matter how high the pressure is.
- Therefore, gas liquefaction occurs below the critical temperature, where the gas can be condensed into a liquid by applying sufficient pressure.
Conclusion:
In summary, gas liquefaction occurs below the critical temperature and pressure conditions, where the gas molecules have reduced kinetic energy and are close enough together to form a liquid state under pressure. This process is essential for various industrial applications and scientific research.
Gas liquefaction is the process of converting a gas into a liquid state. This process is achieved by manipulating the temperature and pressure conditions of the gas.
Below Critical Temperature and Pressure:
- The gas must be cooled below its critical temperature.
- At this temperature, the gas molecules lose enough kinetic energy to come closer together and form a liquid.
- Additionally, the pressure exerted on the gas must be above its vapor pressure at the given temperature to force the gas molecules to condense into a liquid state.
Above Critical Temperature and Below Critical Pressure:
- When a gas is above its critical temperature, it cannot be liquefied regardless of the pressure applied.
- The critical temperature is the temperature above which a gas cannot be liquefied, no matter how high the pressure is.
- Therefore, gas liquefaction occurs below the critical temperature, where the gas can be condensed into a liquid by applying sufficient pressure.
Conclusion:
In summary, gas liquefaction occurs below the critical temperature and pressure conditions, where the gas molecules have reduced kinetic energy and are close enough together to form a liquid state under pressure. This process is essential for various industrial applications and scientific research.
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A gas is liquefied:a)Above critical temperature and below critical pre...
Option B is correct
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A gas is liquefied:a)Above critical temperature and below critical pressureb)Below critical temperature and above critical pressurec)Below critical temperature and pressured)Above critical temperature and pressureCorrect answer is option 'C'. Can you explain this answer?
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