Heats of Formation of Solid Binary Compounds. 



31 



Equation. 



M= 



a; x 10000 



Heat of formation. 



N 



M 



Constant. 



no. of atoms 

 of halogen 



Calculated 1 

 =Mx2-5. 



]S"= found. 







r 



105-0 (B) 



1 



r 2K 4- CL, =2KCl4-heat"| 







105-6 (T) 





\m + - mm =Tm +x J 



43-0 



107 X 



104-5 (A) 



101-0 (F&S) 

 102-7 



V2-4 (105) 



f2Na+ CL =2NaCl4-heatl 





r 



97-3 (B) 



1 



2 J? nn 2,1... 



40-6 



101 \ 



97-7 (T) 



I 2-4 (97-3) 



|_ + -00460= I ^+ - ] 





I 

 r 



94-8 (F & S) 

 100-4 (B) 



J 



1 



| 2K + Br 2 =2KBr4-heatj 







99-0 (B) 



1 



i §l + ' 00404 = m + * J 



39-8 



99 X 



95-3 (T) 

 90-2 (F & S) 

 89-2 



J. 25 (99) 



J 



f2Na+ Br 2 =2NaBr4-heat i 





r 



906 (B) 



1 



\m +<m,i =m +x J "' 



371 



93 j 



90-4 (B) 



85-7 (T) 



\ 2-4 (90-6) 



) 



T2Li4- CL, =2LiCl+heat 1 











JJL +00460= A 4- * 



336 



84 



93-8 (T) 



2-7 (93-8) 



L4o3 8/0 J 





r 



85-2 (B) 



] 



f2K4- Io = 2KI 4- heat ] 







85 4 (B) 





J 2 1 _ 2 



1 335 383 ' 907 J 



31-9 



80 J 



80-1 (T) 



V 2-5 (801) 





I 



77-3 (F & S) 









I 



76-3 



J 



f2Wa+ I, =2XaI 4- heat 1 





f 



74-2 (B) 



) 



2 1 _ 2 



291 



73 



74-1 (B) 



(•2-5(74) 



[W9~*~ 383 902 "^ J 





1 



69-1 (T) 



J 



f T1. 2 4- Cl 2 =2T1C14- heat | 











j J_-j_ -00460= -?_ 4- x \ 



17-5 



44 



48-6 



2-7 (48-6) 



1 563^ 700 J 











[Tl 2 4- Br =2TlBr+heat I 











\m + -° om= m + * 1 



15'5 



39 



46-4 



2-9 (46-4) 



fT] 2 4- I 2 =T1 2 I 2 4- heat] 











\ 1 , 1 1 , „ [ 



14-9 



37 



35-6 



2-4 (35-6) 



1 4- = 4- x 











1.563^ 383 712 ^ J 











f Ag 2 4- Cl 2 =2AgC14-heat| 





33 



29-4 (B) 



1 



1^4-00460= £+• J " 



131 



29-2 (B) 

 34-8 (F & S) 



1 2-6 (34-8) 



f Cu 2 4- CL, =2CuCl+heatl 



126 



-{ 



331 (B) 



356 (B) 

 32-9 (B) 

 32-8 (T) 



I 2-6 (33) 



r Cu 2 + Br 2 =2CuBr-f heat 1 





28 [ 





1 2-6 (29) 



|—4- "00404= JL -|- x \ '" 

 11364^ 782 T J 



111 



300 (B) 

 29-0 (B) 



