Problem: Given the following reactions: 2S (s) + 3O2 (g) → 2SO3 (g)  H = -840.0 kJ S (s) + O2 (g) → SO2 (g)        H = -300.0 kJCalculate the enthalpy of the following reaction in kJ 2SO2 (g) + O2 (g) → 2SO3 (g)

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Given the following reactions: 

2S (s) + 3O2 (g) → 2SO3 (g)  H = -840.0 kJ 

S (s) + O2 (g) → SO2 (g)        H = -300.0 kJ

Calculate the enthalpy of the following reaction in kJ 

2SO2 (g) + O2 (g) → 2SO3 (g)

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