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18 April, 23:38

Is the state of the air in an isolated room completely specified by the temperature and the pressure?

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  1. 18 April, 23:53
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    The state this system is completely specified by the temperature and pressure.

    Explanation:

    According to state postulate:

    "The state of a simple compressible system is completely specified by two independent, intensive properties."

    Here, the system is air in an isolated room. Thus, the system is simple and compressible. Also, pressure and temperature are intensive properties and they are also independent for a single phase system.

    Thus, the state of this system is completely specified by the temperature and pressure, as long as the system is single.
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