682 Dr. R. D. Kleeman on the Equation of Continuity 

 The third column of Table III. contains the mean value of 



-o o of each liquid contained in Table II. According to 



equation (9) this quantity is equal to 



Table III. 



Name of Liquid. 



Chlorobenzene 



Pentane 



Heptane 



Stannic chloride ... 



Hexane 



Ethyl oxide 



Benzene 



lodo-benzene 



Hexamelbylene .... 



Carbon dioxide 



Octane 



Ethyl propionate .... 

 Cnrbon tetrachloride 



Ethyl acetate 



Di-isobutyl 



Fluor-benzene 



Bromobenzene 



Methyl formate 



Ethyl formate 



•3654 



•2323 



•2341 



•7419 



•2344 



•2604 



•3045 



•5814 



•2735 



•464 



•2327 



•286 



•5576 



•2993 



•2366 



•3541 



•4853 



•3489 



•315 



L 



Pi* - Pa 2 



7149 

 209-4 

 1850 



6-779 

 1933 

 163-3 

 134-3 



1745 

 151-8 



57-37 

 176-2 

 115-3 



1974 

 115-3 

 161-7 



81-44 



30-53 

 115-4 

 1139 



2073(2 */ m y 



,T/3 p J* 



66-83 

 217-7 

 1586 



7-009 

 178-7 

 1713 

 126-3 



1667 

 191-8 



66-43 

 165-5 

 122-5 



17-95 

 119-8 

 1791 



82-30 



30-39 

 1063 

 115-8 



1049 

 1951 

 2246 



237 

 2094 

 1507 

 1357 



463-4 

 1661 



3227 

 2393 

 1410 



403-7 

 1239 



2247 

 1001 



621-0 



8939 

 1092 



258-8(3 vX) 2 



4/3 '2/3 

 m 9 J 



9387 

 1960 

 1982 



228-2 

 1923 

 1582 

 1228 



424-4 

 2014 



365-1 

 2358 

 1559 



344-9 

 1308 

 2552 



987-4 



595-7 



796-2 

 1069 



The values of the latter quantity were calculated, and are 

 given in the fourth column of the table, U being put 

 equal to 2073. The value of U is the mean of the values 

 obtained by equation (9) for the liquids. The agreement 

 between the two sets of values is fairly good, and equation (9) 

 may therefore be used to obtain the approximate internal 

 latent heat of evaporation of a liquid at any given 

 temperature. 



The values of 



pl-pi 



for a large number of liquids have a 



tendency to increase slightly with the temperature. It was 

 therefore thought desirable to test the expression using a 

 different power of p than 2, preferably less than 2. The 

 L 



values of 



pi 



-p\ lz 



have therefore been calculated for carbon 



