VMMC VMMC Medical Solved Paper-2009

  • question_answer
    The heat change at constant volume \[({{Q}_{v}})\] is equal to

    A) \[\Delta E\]                        

    B) \[\Delta H\]                       

    C) RT                          

    D)        \[\Delta G\]

    Correct Answer: A

    Solution :

    From first law of thermodynamics, \[\Delta E=Q+W\]                 or            \[\Delta E=Q+p\Delta V\] At constant volume, \[\Delta V=0\] \[\therefore \]                  \[p\Delta V=0\] or                            \[\Delta \Epsilon ={{Q}_{V}}\]


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