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Discussion :: Chemical Engineering Thermodynamics

  1. Pick out the wrong statement.

    2. A.

     Phase rule variables are intensive properties
    B.

     Heat and work are both state function
    C.

     The work done by expansion of a gas in vacuum is zero
    D.

     CP and CV are state function

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    Answer : Option B

    Explanation :

    Heat and work are both path functions since to bring a particular change in the system the amount of heat and work required will be different in different paths, but by first law of thermodynamics we can say the difference between them is a point function.

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