Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    In a spontaneous process the entropy of the system and its surroundings

    A)  equals zero

    B)  decreases

    C)  increases

    D)  remains constant

    Correct Answer: C

    Solution :

    For a spontaneous process, AS is positive\[\Delta {{S}_{total}}=\Delta {{S}_{system}}+\Delta {{S}_{surrondings}}=positive\] Hence, entropy of the system and its surroundings increases for a spontaneous process.


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