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

  • question_answer
    Hesss law is used for the determination of:

    A)  heat of formation

    B)  heat of reaction

    C)  heat of transition

    D)  all of the above

    Correct Answer: D

    Solution :

                    According to Hesss law, the total heat change \[(\Delta H)\]accompanying a chemical reaction is the same whether the reaction takes place in one or more steps. \[\Delta H=\Delta {{H}_{1}}+\Delta {{H}_{2}}+\Delta {{H}_{3}}\]


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