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Discussion :: Chemical Engineering Thermodynamics

  1. The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in

  2. A.

     An open system of constant composition

    B.

     A closed system of constant composition

    C.

     An open system with changes in composition

    D.

     A closed system with changes in composition

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    Answer : Option D

    Explanation :

    The given equation is a fundamental property relation and is valid for every open system with constant composition and for a closed system when no reaction is taking place in the system.


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