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Discussion :: Chemical Engineering Thermodynamics

  1. Which of the following is not affected by temperature changes?

    2. A.

     Fugacity
    B.

     Activity co-efficient
    C.

     Free energy
    D.

     None of these

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    Answer : Option D

    Explanation :

    All the given quantities are effected by temperature and the relations are like this :
    Free energy change dG=VdP−SdT
    Fugacity dG=RTd(lnf)
    Activity coefficient γ=ffid

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