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NEET Sample Paper NEET Sample Test Paper-81

  • question_answer
    3 moles of a perfect gas is expanded isothermally and reversibly from a volume of 1 L to a volume of 10 L at\[27{}^\circ C\]. The maximum work done is

    A)  190 L atm                   

    B)  170.17 L atm

    C)  192.25 L atm   

    D)  185.23 L atm

    Correct Answer: B

    Solution :

    \[\operatorname{W}=\,\,2.303\,nRT\,log{{\,}_{10}}\,\frac{{{V}_{2}}}{{{V}_{1}}}\] \[=\,\,\,2.303\times 3\times 0.0821\times 300\,lo{{g}_{10}}\frac{10}{1}\] \[=\,\,\,170.17\,L\,atm\]


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