Given the following information, what is the standard

Last updated: 7/10/2022

Given the following information, what is the standard enthalpy change for the reaction? O2(g) + 2SO2(g) + → 2SO3(g) ΔHf SO2(g) = -296.83 kJ/mol ΔHf O2(g) = 0 kJ/mol ΔHf SO3(g) = -395.72 kJ/mol -197.78 kJ 197.78 kJ -98.89 kJ 98.89 kJ