760 



Dr. Gr. Borelius on t/i 



and are often very uncertain. As, however, this uncertainty 

 is of very little importance in our figure, there is no need to 

 give an account of authorities or way of calculation. 



Fie-. 1. 



15 



+ 10 





o 



10 



^ - 



-10 







^ 







r\ 







Cd 





Ag O 



O CuO 



Au 



Zn O 



RhO 



o 



Ir 



o 



Sn 



AI0 

 Pb 



PtO. 









o 



Pd 





0-5 



I'O 



1-5 



R' 



§11. Specific Heat. 

 From (14) we are able to calculate the -mean kinetic 

 energy -^- of the electrons and its contributions c' to the 

 atom-heat. We find for high temperatures 



N 



d 3w 

 dT~2 



= p . NeV 2 . nvU 2 



dt' 



