Calculate ΔH°rxn for the reaction
2 Ni(s) + 2 S(s) + 3 O2(g) → 2 NiSO3(s)
from the following information:
(1) NiSO3(s) → NiO(s) + SO2(g) ΔH°rxn = 156 kJ
(2) S(s) + O2(g) → SO2(g) ΔH°rxn = -297 kJ
3) Ni(s) + 1/2 O2(g) → NiO(s) ΔH°rxn = -241 kJ
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