JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank First law of thermodynamics and Hess law

  • question_answer
    One mole of an ideal gas is allowed to expand freely and adiabatically into vacuum until its volume has doubled. A statement which is not true concerning this expression is [Pb. PMT 1998]

    A)                 \[\Delta H=0\]  

    B)                 \[\Delta S=0\]

    C)                 \[\Delta E=0\]   

    D)                 \[W=0\]

    Correct Answer: D

    Solution :

              W = 0 is not true.


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