【Daily Question】Theoretical Foundation 2019.2.27

2019-02-27View Original

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Multiple-choice question: The critical temperature of N2 is 124 K. To liquefy N2, it is necessary to: ( ) A. Increase the pressure at constant temperature B. Decrease the pressure at constant temperature C. Increase the temperature at constant pressure D. Decrease the temperature at constant pressure. Answer: D. Hint: The answer can be seen in the response. Chemical Engineering Design + VR

Reply #22019-02-27

This post was last edited by drift by_WEWJ on 2019-2-27 09:08. D and A should also work, as long as the pressure is high enough.

Reply #32019-02-27

A. Increase pressure at constant temperature

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【Daily Question】Theoretical Foundation 2019.2.27

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