DUMET Medical DUMET Medical Solved Paper-2001

  • question_answer
    If the volume of 2 moles of an ideal gas at 540 K is 44.8 L. Then its pressure will be:

    A)  1 atm         

    B)  2 atm

    C)  3 atm         

    D)  4 atm

    Correct Answer: B

    Solution :

    Key Idea: Use the formula \[PV=nRT\] to find the pressure of gas. Given, \[n=2\,mol\] \[T=540\,K\] \[V=44.8\,L\] \[PV=nRT\] or \[p=\frac{nRT}{V}\] \[=\frac{2\times 0.082\times 540}{44.8}\] = 1.979 atm \[\approx 2\,atm\]


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