Pa ∙ m6 ∙ mol-2

10-6 ∙ m3 ∙ mol-1

H2

0.0248

26.6

He

0.00346

23.7

N2

0.141

39.1

O2

0.138

31.8

H2O

0.554

30.5

CH4

0.228

42.8

CO2

0.364

42.7