The total bonding energy for the products of a reaction is 2535 kj/mol and the bonding energy of the reactants is 1375 kj/mol. calculate the change in enthalpy, and classify the reaction as endothermic or exothermic. -1160 kj/mol, endothermic 1160 kj/mol, exothermic -1160 kj/mol, exothermic 1160 kj/mol, endothermic