Calculate ΔH° (in kJ) for the reaction.
2S (s) + 3O2 (g) → 2SO3 (g) ∆H = -790 kJ
S (s) + O2 (g) → SO2 (g) ∆H = -297 kJ
the enthalpy of the reaction in which sulfur dioxide is oxidized to sulfur trioxide is ________ kJ.
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