412 



Molecular Surface- 

 energy in Erg per c.m^ 

 '/O20, 

 V90 

 960 

 930 

 900 

 870 

 S40 

 &/0 

 7SO 

 730 

 720 

 690 

 660 

 630 

 600 

 570 

 54i0 

 3f0 

 480 

 4S0 











-A '?S 



^\ 



^^.o 







-iO'-ZO' 0° 20' <'«*" 60° 60° /CO' /20' 740' /OC /SO' 



Fig. 2. 

 XI. 



Temperature. 



