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Manipal Engineering Manipal Engineering Solved Paper-2009

  • question_answer
    For the reaction\[{{H}_{2}}O(l){{H}_{2}}O(g)\]at\[373\,\,K\]and 1 aim pressure

    A) \[\Delta H=0\]                  

    B) \[\Delta E=0\]

    C) \[\Delta H=T\Delta S\]  

    D)        \[\Delta H=\Delta E\]                        

    Correct Answer: C

    Solution :

    \[\Delta G=\Delta H-T\cdot \Delta S\] For the reaction,                 \[{{H}_{2}}O(l){{H}_{2}}O(g)\]                 \[\Delta G=0\](at equilibrium) \[\therefore \]  \[\Delta H=T\cdot \Delta S\]


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