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  • Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions:

Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions:

(a) Low temperature, low pressure
(b) High temperature, low pressure
(c) Low temperature, high pressure
(d) High temperature, high pressure

Answers (1)

Ans. C

Sol.

Ideally a gas does not have interaction between molecules by any kind of force. In real gases these forces are present and can be decreased by decreasing pressure and increasing temperature. Therefore any natural gas will behave as an ideal gas, if its temperature is increased and pressure is decrease.
On the other hand if we decrease the temperature and increase the pressure the interactions between gas molecules will increase and it will tends to liquefy.

Hence the correct answer is C.

Posted by

Gurleen Kaur

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