ON THE HALOGEN HYDKIDES AS CONDUCTING SOLVENTS. 



115 



The foregoing results are represented graphically in fig. 6, in which the molecular 

 surface energies are plotted against the absolute temperature. 



^200 



180 



170 



160 



200 



\ 



,^> 



^ 



250 300 



MOLECULAR SURFACE ENERGY 



Fig. 6. 



350 



EF?GS. 



The range of temperature over which measurements were made was small, and in 

 the case of each substance the curve appears to be a straight line. 



d 



The temperature coefficients -j- y (MV) ?i are given in Table X. 



dt 



TABLE X. 



Q 2 



