1.

R.M.S velocity of ethane molecules when one mole of ethane is present in 10 lt vessel at 10 atm is

Answer»

`10^2` cm/sec 
`10^3` cm/sec 
`10^4` cm/sec 
`10^5` cm/sec 

Solution :`U_("RMS") = SQRT((3P)/(d)) = sqrt((3 xx 10 xx 10^5)/(((30 xx 10^(-3))/(10 xx 10^(-3))))) = 1000 m//s`


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