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Discussion :: Chemical Engineering Thermodynamics

  1. For an ideal gas, the activity co-efficient is

  2. A.

     Directly proportional to pressure

    B.

     Inversely proportional to pressure

    C.

     Unity at all pressures

    D.

     None of these

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    Answer : Option C

    Explanation :

    Activity coefficient measures the extent to which a real gas deviates from ideality.
    Hence, for ideal gas activity coefficient = 1.


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