400 Dr. Andrews on the Heat developed during the Formation of the 



^ • • • • • • 



rpf 



Inc. c 



Aq 



Sn. (sp. heat 0.76) 



Vss 



CI 



Heat of comb. . 



47°.97 . 

 55°.20 . 



7°.34 . 

 136.6 gm. 

 2.4 . 



21.3 . 

 141.4 c. c. 

 2802° . 



Mean heat referred to chlorine as unit, 2811°. 

 Mean heat referred to zinc as unit, 3086°. 



The first number indicates the number of degrees through which a portion 

 of water, equal in weight to the chlorine, would be raised by the heat extricated 

 during the combination ; the second, the corresponding number of degrees for a 

 portion of water equal in weight to the zinc. 



17- Zinc and bromine, Zn -|- Br -|- Aq. 



Mean heat referred to bromine as unit, 1066° 

 Mean heat referred to zinc as unit, 2586°. 



18. Zinc and iodine, Zn + I + Aq. 



