Enthalpy change of any chemical reaction = _____
A) sum of the enthalpies of formation of the products + sum of the enthalpies of formation of the reactants
B) 2(sum of the enthalpies of formation of the reactants) + 2(sum of the enthalpies of formation of the products)
C) sum of the enthalpies of formation of the products × sum of the enthalpies of formation of the reactants
D) sum of the enthalpies of formation of the products − sum of the enthalpies of formation of the reactants
E) sum of the enthalpies of formation of the products ÷ sum of the enthalpies of formation of the reactants
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