Given the following two equations and their respective enthalpies: S (s) + O2(g) → SO2(g) AH = -296.8 kJ S (s) + 3/202(g) SO3(g) AH = -395.6 kJ What is the enthalpy change, AH, for the following reaction? AH = ??? - 4 SO3(g) → → 4 SO2(g) + 2 O2(g) O 197.6 kJ 5539 kJ O-1385 kJ O 395.2 kJ O-2770 kJ

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