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NEET Sample Paper NEET Sample Test Paper-22

  • question_answer
    Work done during isothermal expansion of one mole of an ideal gas form 10 atm to 1 atm at 300 K is

    A)  2.938.6 Joules 

    B)       1.138.8 Joules

    C)       5.744.1 Joules  

    D)      7342.2 Joules            

    Correct Answer: C

    Solution :

    Here,\[{{P}_{1}}=10\,atm,\,{{P}_{2}}=1atm,T=300\,K,n=1,\]\[R=8.314\,J/K/mol\] As \[W=2.303\,nRT\log \frac{{{P}_{2}}}{{{P}_{4}}}\] \[=2.303\times 18.341\times 300\log \frac{1}{10}\] \[W=5744.4\,\text{Joule}\text{.}\] Hence, the correct option is (c).


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