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  3. 11th Class
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  5. Thermodynamical Processes

11th Class Physics Thermodynamical Processes Question Bank Critical Thinking

  • question_answer
    For a reaction \[\Delta H=9.08\,kJ\,mo{{l}^{-1}}\] and \[\Delta S=35.7\,J{{K}^{-1}}mo{{l}^{-1}}\] Which of the following statements is correct for the reaction [AMU (Engg.) 2000]

    A)                 Reversible and Isothermal

    B)                 Reversible and Exothermic

    C)                 Spontaneous and Endothermic

    D)                 Spontaneous and Exothermic

    Correct Answer: C

    Solution :

              \[\Delta H\] and \[\Delta S\] both are \[+ve\] for spontaneous change, and \[\Delta H=+ve\] for endothermic reaction.


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