At what temperature is the root mean square velocity of gaseous hydrogen molecules is equal to that of oxygen molecules at `47^(@)C`

At what temperature is the rms velocity of a hydrogen molecule equal to that of an oxygen molecule at 47^(@)C ?

At what temperature is the r.m.s velocity of a hydrogen molecule equal to that of an oxygen molecule at 24^@C ?

At which temperature the r.m.s.velocity of a hydrogen molecule equal to that of an oxygen molecule at 47^@C ?

At what temperature is the "effective" speed of gaseous hydrogen molecules (molecular weight = 2) equal to that of oxygen molecules (molecular weight = 32) at 47^@ C ?

At what temperature is the root mean square speed of oxygen molecules equal to the r.m.s. speed of carbon dioxide molecules at -23^(@)C ? Molecular weight of oxgen=32 and that of carbon dioxide=44.

The temperature at which the root mean square velocity of SO_(2) molecules is same as that of O_(2) molecules at 27^(@)C

Root mean square velocity of a gas molecule is proprotional to