Question

Calculate the r.m.s. velocity of air molecules at S.T.P. Given density of air at S.T.P. is 1.296

kg/m3
​

Answer 1

Explanation:

Root Mean Square velocity

= √3RT/MOM = 3P/ρ (Since PM0=ρRT)

= 3×1.01×10*5/1.29

≈4.85×1*2 m/s