• 
  

  Et mu 2 cT
  :^2

  
  

c NA

R

2

=^3

u^2 ==^33 mN::::RT: A MWRT

where

Et= average kinetic energy of translation

m = mass (of particle)

u = velocity (average speed)

c = constant

NA= Avogadro’s number

R = 8.31 × 10 –7g ⋅cm^2 /sec^2 ⋅mole ⋅K

T = temperature in K

The Gas Laws