 
 Example 11.4
 Temperature at triple point is 195.197740 K
 Pressure at triple point is 44.631622 mm Hg

 Latent heat of sublimation is 31211 kJ/kg mol
 Latent heat of vapourization is is 25466 kJ/kg mol
 Latent heat of fusion is 5745 kJ/kg mol 