32 Messrs. Carnelley and O'Shea on Melting-points and 

 Table (continued). 



Equation. 



.rx 10000 



Heat 



of formation. 



N 











M 



Constant. 





no. of atoms 

 of halogen 



Calculated 

 = Mx2-5. 



N= found. 



f Ag a 4 Br 2 = 2AgBr4- heat 1 







f 



27-7 (B) 



1 



(^4-00404= 4 + . j - 



9-8 



25 



1 



26-7 (B) 

 256 (F&S) 



1 2-6 (26-1) 



f Cu, 4- I 2 = OuJL + heat 1 

 J 1 i l " 1. ... 



1 1364 + 383 = " 874 + * J 



110 



27 



{ 



21-9 (B) 

 21 7 (B) 



1 2-0 (21-9) 



fAg 2 + I a =Ag 2 I 2 4-heat] 

 1 1273^ 383 800 J 



107 



27 



( 



19-2 (B) 

 19-7 (B) 

 18-6 (F & S) 

 159 



1 1-9(19-7) 



f 2Mg + 2C1 2 = Mg, 01 4 4- heat 1 







{ 



75-5 (B) 

 75-5 (T) 





) ^+(2xoo460)= 4 +. } 



27-5 



69 



} 2-7 (75-5) 



(- 2Mg 4- 2Br 2 = Mg a Br 4 4- heat J 



\m H2x:0om)= m + * \ 













24-7 



62 





70-0 (B) 



2-8 (70-0) 



f2Ba4- 2Br 2 =Ba 2 Br 4 4-heat 1 













jj_+(2x -00404)=^ + , j 



24-8 



62 





84-7 (T) 



3-4 (84-7) 



f Cd 2 4- 2C1 2 = 2CdCl 2 4- heat 1 







{ 



46-6 (B) 

 46-6 ^T) 





(_1 +(2x00460) = ^ + . \ 



211 



53 



] 2-2 (46-6) 



fCd 2 4- 2Br 2 =2CdBr 2 +-heat 1 

 1 _L + (2X 00404)= g| + . J 



18-5 



46 



{ 



42-1 (B) 

 41-7 (B) 



] 2-3 (41-9) 



rZn 2 + 2C1 2 =2ZnCl 2 4- heat "1 







f 



48-6 (B) 



") 



| ^+(2X00460)= Jg + . } 



17-6 



44 



1 



506 (A) 

 50-3 (F&S) 



^ 2-8 (48-6) 



( Zn 2 4- 2Br 2 =2ZnBr 2 + heat 1 







f 



43-6 (B) 



I 



{^+(2X00404)= ^ + . j 



16-7 



42 



1 



43-1 (B) 

 40-6 (A) 



12-6(431) 



fZn 2 4- 2I 2 =2ZnI 2 4- heat "I 







f 



296 (B) 



1 



(JL+ A = 2 i 



101 



25 





300 (B) 



12-8(28-7) 



1 633^ 383 719 T J 







I 



26-6 (A) 



J 



fCd 2 + 2I 2 =2CdI 2 + heat") 







{ 







1 2 2 I 

 1.593 383 677 * J 



99 



25 



27-9 (B) 

 27 5 (B) 



] 2-8 (27-7 



fPb 2 4- 2C1 2 =2PbCl 2 + heat "J 







r 



41-4 (B) 



] 



{44.(2X00460)= ^ + . | 



20-6 



51 



i 



42-6 (B) 

 41-4 (T) 

 44-7 (F & S) 



12-2(44-7) 



fSn 2 + 2C1 2 =2SnCl 2 + heat ] 







f 



404 (B) 



1 



{^4.(2X00460)= 4 + .' J 



184 



46 



1 40-4 (T) 



li 402 



1 2-2 (40-4) 



