The total bonding energy for the products of a reaction is 1230 kJ/mol and the bonding energy of the reactants is 565 kJ/mol. Calculate the change in enthalpy, and classify the reaction as endothermig or exothermic. -665 kJ/mol, endothermic
665 kJ/mol, exothermic
-665 kJ/mol, exothermic
665 kJ/mol, endothermic