BHU PMT BHU PMT Solved Paper-2003

  • question_answer
    In an isothermal process:

    A) \[\Delta H=\Delta E+P\Delta V\]              

    B) \[\Delta H=W\]

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

    D) \[\Delta H=S\Delta T\]

    Correct Answer: B

    Solution :

                     In an isothermal process\[\Delta E=0\] \[\Delta H=\Delta E+P\Delta V\] \[=0+P\Delta V\] \[=P\Delta V\] or            \[\Delta H=W\]                      \[(\because P\Delta V=W)\]


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