J & K CET Medical J & K - CET Medical Solved Paper-2000

  • question_answer
    The change in heat energy of a chemical reaction at constant temperature and pressure is called:

    A)  enthalpy

    B)  free energy

    C)  internal energy

    D)  bond energy

    Correct Answer: A

    Solution :

                    The change in heat energy of a chemical reaction at constant temperature and pressure is called enthalpy. Mathematically it is the sum of internal energy and the pressure volume energy. \[H=E+PV\]


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