On the critical pressure and critical temperature of substances

2020-11-10View Original

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Regarding the various situations related to the critical pressure and critical temperature of fluids, can it be understood in this way? I would like to ask about the theoretical principles: The supercritical state occurs when the temperature of a fluid is higher than its critical temperature and its pressure is higher than its critical pressure. When the temperature of a fluid is higher than its critical temperature but its pressure is lower than that critical value, it is in a gaseous state； A fluid is in a liquid state when its temperature is below the critical temperature and its pressure is above the critical pressure ； The subcritical state is the state in which the temperature and pressure of a fluid are close to their critical values.

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On the critical pressure and critical temperature of substances

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