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Discussion :: Chemical Engineering Thermodynamics

  1. Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.

  2. A.

     Infinity

    B.

     Minus infinity

    C.

     Zero

    D.

     None of these

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    Answer : Option B

    Explanation :

    We know : G=G∘+RTlnfP∘
    ⇒ where G∘ and P∘ are at standard states
    So, we can say when P∘→0,⇒G∘→∞


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