【Daily Question】Theoretical Foundation 2019.6.11

2019-06-11View Original

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Multiple-choice question: The necessary condition for the liquefaction of real gases is ( ). (A) Pressure is greater than Cp. (B) Temperature is lower than CT. (C) Volume equals m·CV. (D) Both temperature and pressure are increased simultaneously. Answer: (B) CT is the highest temperature at which a gas can be liquefied; no matter how high the pressure, the gas cannot be liquefied if the temperature is above this value. Tip: The answer can be seen in the reply

Reply #22019-06-11

(A) Pressure is greater than Cp

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【Daily Question】Theoretical Foundation 2019.6.11

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