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CMC Medical CMC-Medical Ludhiana Solved Paper-2014

  • question_answer
    If 900 J/g of heat is exchanged at boiling point of water then increase in entropy is

    A)  43.4 J/mol                         

    B)  87.2 J/mol

    C)  900 J/mol                           

    D)  zero

    Correct Answer: A

    Solution :

                    \[\Delta {{S}_{vap}}=\frac{(900\times 18)}{373}=43.4\,J{{K}^{-1}}mo{{l}^{-1}}\]


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