Helium is the lightest noble gas component of air and xenon is the heaviest. Use R=8.314J(mol x K) and M in kg/ml.
a) find the rms speed of helium in 0 degree C and in 30 degree C
b) find the ratio of the rms speed of helium to that of xenon in 30 degree C
c) find the average kinetic energy per mole of He and Xe at 30 degrees C