CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2004

  • question_answer
    A process is taking place at constant temperature and pressure. Then:

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

    B)  \[\Delta H=T\Delta S\]

    C)  \[\Delta H=0\]                                 

    D)  \[\Delta S=0\]

    Correct Answer: A

    Solution :

    For an isothermal process, \[\Delta E=0\] As the process is taking place at constant T and P hence from equation, \[\Delta H=\Delta E+\Delta P.\,\,V\] We have, \[\Delta H=0+0\times V=0\] Hence, for the process, \[\Delta H=\Delta E=0\]


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