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EAMCET Medical EAMCET Medical Solved Paper-1999

  • question_answer
    At \[\text{27}{{\,}^{\text{o}}}\text{C}\] one mole of an ideal gas exerted a pressure of 0.821 atmosphere. What is its volume in liters (\[\text{R = 0}\text{.0821}\,\,\text{L}\]atm \[\text{mo}{{\text{l}}^{-1}}{{K}^{-1}}\]?

    A)   300                                      

    B)  30

    C)  0.3                                        

    D)  3

    Correct Answer: B

    Solution :

                     \[T=27+273=300K\] \[P=0.821\,\text{atm}\] \[V=?\] \[R=0.0821\,\text{Latm}\,\text{mo}{{\text{l}}^{-1}}\,{{\text{K}}^{-1}}\] \[n=1\,mol\] \[PV=nRT\] \[V=\frac{nRT}{P}\] \[=\frac{1\times 0.0821\times 300}{0.821}=30\,L\]


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