Root mean square velocity of `O_2` at STP is (in `(cm)/s)`

Calculate the root mean square velocity of SO_(2) at S.T.P. -

The tempeature at which nitrogen under 1 atmospheric pressure has the same root mean square velocity as that of CO_(2) at STP is

The tempeature at which nitrogen under 1 atmospheric pressure has the same root mean square velocity as that of CO_(2) at STP is

What is root mean square velocity ?

The root mean square velocity of hydrogen at S.T.P.is

The ratio between the root mean square velocity of H_(2) at 50K and that of O_(2) at 800K is