At what temperature will He atoms have the same r.m.s. speed as `H_(2)` molecules have at `27^(@)C`?

At what temperature will Oxygen molecules have the same r.m.s. speed as Helium molecules at N.T.P. ? Molecular weight of Oxygen=32 kg/kmol and molecular weight of Helium = 4 kg/kmol.

At what temperature will nitrogen molecules have the same r.m.s speed as oxygen molecules at 400^@K ? (Molecular wt. of O_2 = 32, Molecular wt. of N_2 = 28)

Find the temperature at which oxygen molecules have the same rms speed as N_2 molecules at 7^@ C.

At what temperature will the r.m.s. speed of the hydrogen molecules be half of its value at 327^(@)C ?

At what temperature will nitrogen molecules have same R.M.S. speed as oxygen molecules at 400 K (molecular weight of oxygen = 32, molecular weight of nitrogen = 28)

At what temperature would N_(2) molecules have same average speed as CO molecules at 200 K.

At what temperature would N_(2) molecules have same average speed as CO molecules at 200 K.