# Problem: 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.   a) -196 b) -543 c) 1087 d) 196 d) -1384

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###### Problem Details

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.

a) -196

b) -543

c) 1087

d) 196

d) -1384

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