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38 votes
38 votes
Consider these equations:

2S (s) + 3O2 (g)→2SO3 (g), ΔH = −792 kJ
2S (s) + 2O2 (g)→2SO2 (g), ΔH = −594 kJ
2SO2 (g) + O2 (g)→2SO3 (g), ΔH =?

What is the missing ΔH?

a. −294 kJ
b. −198 kJ
c. +198 kJ
d. +294 kJ

User Serhii Shliakhov
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2 Answers

26 votes
26 votes
The answer is a look at the solutions of G how they line up with each other we know so much about him
User Coretechie
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12 votes
12 votes

Answer: (B) −198 kJ.

User Roeygol
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