If the Energy Change of a Reaction (OE) is Positive

Question

If the energy change of a reaction (OE) is positive, then
A) no energy was added to the reaction.
B) the reactants had more energy than the products.
C) energy has been released as a byproduct.
D) the products had more energy than reactants.
E) the reactants had the same energy as the products.

Accepted Answer

If the energy change of a reaction is positive, it means that energy was absorbed during the reaction, indicating that the products have more energy than the reactants.