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JCECE Medical JCECE Medical Solved Paper-2014

  • question_answer
    Two monoatomic ideal gases A and B occupying the same volume V are at the same   temperature T and pressure p. If they are mixed, the resultant mixture has volume V and temperature T. The pressure of the mixture is

    A)  p

    B)  \[\frac{p}{2}\]

    C)  \[4p\]

    D)  \[2p\]

    Correct Answer: D

    Solution :

     \[\frac{{{p}_{1}}{{V}_{1}}}{{{T}_{1}}}=\frac{{{\rho }_{mix}}\times {{V}_{mix}}}{{{T}_{mix}}}\] \[{{T}_{1}}={{T}_{mix}}=T\] \[{{V}_{1}}=V+V\] \[{{V}_{mix}}=V\] \[\frac{\rho \times 2V}{T}=\frac{{{p}_{mix}}}{T}\times V\] \[{{p}_{mix}}=2p\]


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