crms ,cave , cm = Root Mean Square , Average Velocity ,& Most Probable Velocity of gas molecules ;
M= Molecular Weight ; T =Temperature ; R= Universal Gas Constant ;
ZAA=Collision frequency ; n = Molecules per unit Volume; σ = Diameter of the gas molecules ;
cave=Average Velocity of the gas molecules;
E = Average energy / mole ; n = Number of atoms in a lenear Molecule ; R= Gas Constant ; T= Temperature
E = Average energy / mole ; n = Number of atoms in a non-lenear Molecule ; R= Gas Constant ; T= Temperature