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Discussion :: Chemical Engineering Thermodynamics

  1. (∂E/∂T)V is the mathematical expression for

    2. A.

     CV
    B.

     Enthalpy change
    C.

     Free energy change
    D.

     None of these

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    Answer : Option D

    Explanation :

    By the definition of CV we can write CV=limδT→0(δQδT)V.
    Since, under constant volume process the expansion work is zero, and by first law of thermodynamics
    δQ=dU⇒(∂U∂T)V=CV.

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