Problem of 5: Heat of formation of compound
Given the following heats of formation
 .
Required the molar heat of formation of  from  and 
Now you can try this problem and get heat of formation of 
Problem 6: Production of silicon carbide
Calculate the heat of the reaction for production of silicon carbide:
The reactants and products are at 1973 K
| Components |
 (J/g.mol)
|
Cp (J/g.mol K) |
SiO2 |
-841386 |
46.945 + 34.309 x 10-3T-11.297 x 105 T – 2) |
C |
-------- |
17.154 + 4.268 x10 |
SiC |
117208 |
109.266 + 14.67 x 10-3T – 39.468 x 105T-2 ) |
CO |
112352 |
28.409+4.1x10-3 T-0.460 x 105T-2 ) |
|
Problem of this type are illustrated. Practice it to calculate heat of reaction 
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