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JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Free energy and work function

  • question_answer
    In an irreversible process taking place at constant T and P and in which only pressure-volume work is being done, the change in Gibbs free energy \[(dG)\] and change in entropy \[(dS)\], satisfy the criteria                [AIEEE 2003]

    A)                 \[{{(dS)}_{V,\,E}}<0,\,{{(dG)}_{T,\,P}}<0\]

    B)                 \[{{(dS)}_{V,\,E}}>0,\,{{(dG)}_{T,\,P}}<0\]

    C)                 \[{{(dS)}_{V,\,E}}=0,\,{{(dG)}_{T,\,P}}=0\]

    D)                 \[{{(dS)}_{V,\,E}}=0,\,{{(dG)}_{T,\,P}}>0\]

    Correct Answer: B

    Solution :

              \[{{(dS)}_{V,E}}>0,{{(dG)}_{T,P}}<0\].


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