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11th Class Physics Thermodynamical Processes Question Bank Critical Thinking

  • question_answer
    Two mole of an ideal gas is expanded isothermally and reversibly from 1 litre ot 10 litre at \[300K\]. The enthalpy change (in \[kJ\]) for the process is [IIT JEE (Screening) 2004]

    A)                 11.4 kJ  

    B)                 ?11.4 kJ

    C)                 0 kJ        

    D)                 4.8 kJ

    Correct Answer: C

    Solution :

               \[\Delta H=nCp\,\Delta T\]                    The process is isothermal therefore                                 \[\Delta G=0\]; \[\therefore \,\,\Delta H=0\]


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