Question

Select One Correct Option from the following: A container of fixed volume has a mixture of one mole of hydrogen and one mole of helium in equilibrium at temperature T . Assuming the gases are ideal, the correct statement(s) is (are)
(A)The average energy per mole of the gas mixture is 2RT .
(B)The ratio of speed of sound in the gas mixture to that in helium gas is $\sqrt{6/5}$
(C)The ratio of the rms speed of helium atoms to that of hydrogen molecules is 1/2.
(D)The ratio of t√he rms speed of helium atoms to that of hydrogen molecules is$1/\sqrt{2}$.

Answer 1

it option a test its done