2SO 2 (g) + O 2 (g) 2SO 3 . In the reaction above, the
CHEMISTRY
JAMB 1997
2SO2(g) + O2(g) 2SO3. In the reaction above, the standard heats of formation of SO2(g) and SO3(g) are -297 KJ mol-1 respectively. The heat change of the reaction is?
- A. -99 kJ mol-
- B. -198 kJ mol-
- C. +198 kJ mol-
- D. +683kJ mol-
Correct Answer: B. -198 kJ mol-
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