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Two flask A and B of equal volumes main...

Two flask A and B of equal volumes maintained at temperature `300K` and `700K` contain equal mass of `He(g)` and `N_(2)(g)` respectively. What is the ratio of total translational kinetic energy of gas in flask A to that of flask B ?

Text Solution

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The correct Answer is:
4
K.E. `=3/2 nRT, K.E. (H_(2)) =3/2 xx w/2 xx R sxx 300`,
K.E. `(CH_(4)) = 3/2 xx w/16 xx R xx 600`
Hence, `K.E.(H_(2))/(K.E.(CH_(4))) = 4`
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