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Discussion :: Chemical Engineering Thermodynamics

  1. Heat of reaction at constant volume is identified with __________ change.

    2. A.

     Enthalpy
    B.

     Internal energy
    C.

     Either A or B
    D.

     Neither A nor B

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    Answer : Option B

    Explanation :

    By first law of thermodynamics at constant volume the heat of reaction is equal to internal energy and for constant pressure process the heat of reaction is enthalpy.

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