400cm3 of N2 maintained at 0.6 bar pressure and 1.5 L of H2 maintained at 0.5 bar pressure are put together in a 2.0dm3 flask. If temperature is kept constant, calculate the pressure of the mixture of gases
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answer is 0.50.
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Detailed Solution
PN2=0.6bar,VN2=4001000= 0.4LPH2 = 0.5 bar VH2 =1.5 L ; Vmix = 2dm3= 2 L Pmix =PN2VN2 +PH2VH2Vmix =0.6×0.4+0.5×1.52=0.495 bar ≈0.50bar