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A vessel contains equal weights of He an...

A vessel contains equal weights of He and `CH_(4)` gases at 20 bar pressure. Due to the leakage, the gases in the vessel started effusing out. What is the volume ratio of He and `CH_(4)` gases coming out initally

Text Solution

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`n_(He) = x/4 = n_1 , n_(CH_4) = x/16 = n_2 , (n_1)/(n_2) = 4/1`.
`(gamma_(He))/(gamma_(CH_4)) = (P_(He))/(P_(CH_4)) sqrt(16/4) = 4/1 sqrt(16/4) = 8:1`.
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