Question 02SO2(g) + O2(g) 2SO3. In the reaction above, the standard heats of formation of SO2(g) and SO3(g) are -297 KJ mol-1 respectively. The heat change of the reaction is?A.-99 kJ mol-B.-198 kJ mol-C.+198 kJ mol-D.+683kJ mol-E.Objective Show full explanation