Physical Chemistry Real gases Critical data and equations of state Van der waals equation m, c =0.375 rt 8 (8.19) Cm,C一 ideal gas RT R-K equation R TS RT 5/2 =0.42748 1/3 213-1 (8.20) RT b (213-1)RT C=0.08664 (8.21 3P =-=0.333 RT 3 (8.22Critical data and equations of state 0.375 8 , 3  = = c c m c c RT PV Z (8.19) 1 , = c c m c RT PV ideal gas c c c c P RT P RT b 0.08664 3 (2 1) 1/3 = − = (8.20) c c c c P R T P R T a 2 5/ 2 1/3 2 5/ 2 0.42748 9(2 1) = − = (8.21) 0.333 3 , 1  = = c c m c c RT PV Z (8.22) R-K equation Physical Chemistry Real Gases Van der waals equation