Given that 2S(s) + 3O2(g) → 2SO3(g) has an enthalpy change of −790.4 kJ 2SO2(g) + O2(g) → 2SO3(g) has an enthalpy change of −198.2 kJ What is the heat of formation of SO2 in kilojoules? S(s) + O2(g) → SO2(g)Your answer should have four significant figures. Provide your answer below: kJ
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