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Discussion :: Chemical Engineering Thermodynamics

  1. Gibbs free energy of mixing at constant pressure and temperature is always

    2. A.

     0
    B.

     ∞
    C.

     + ve
    D.

     - ve

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    Answer : Option D

    Explanation :

    Change of Gibbs free energy due to mixing is given as ΔGmix=RT∑xlnx     since mole fraction is always less than one we can say the change due to mixing is negative.

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