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

  • question_answer
    Which of the following expressions represents the first  law of thermodynamics [MP PET 1996, 2000; AFMC 1997; BHU 1999; AMU 2000; KCET (Med.) 2000, 01; CBSE PMT 2000; MP PMT 2002]

    A)                 \[\Delta E=-q+W\]          

    B)                 \[\Delta E=q-W\]

    C)                 \[\Delta E=q+W\]           

    D)                 \[\Delta E=-q-W\]

    Correct Answer: C

    Solution :

              \[\Delta E=q+w\].


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