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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2008

  • question_answer
    The internal energy change when a system goes from state \[A\] to \[B\] is\[40\,\,kJ/mol\]. If the system goes from \[A\] to \[B\] by a reversible path and returns to state \[A\] by an irreversible path, what would be the net change in internal energy?

    A) \[40\,\,kJ\]                        

    B)        \[40\,\,kJ\]

    C)        \[<40\,\,kJ\]                      

    D)        \[Zero\]

    Correct Answer: D

    Solution :

    \[\Delta E=0\], in a cyclic process.


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