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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2002

  • question_answer
    A gas mixture consists of 2 moles of oxygen and 4 moles of argan at temperature T. Neglecting all vibrational moles, the total internal energy of the system is

    A)  4 RT            

    B)  15 RT

    C)  9 RT             

    D)  11 RT

    Correct Answer: D

    Solution :

     Internal energy of system \[U=2\times \frac{1}{2}\times 5\times RT+4\times \frac{1}{2}\times (3)RT\] \[U=11RT\]


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