# If the energy level of the products is higher than that of the reactants is the reaction endothermic or exothermic?

In an endothermic reaction, the reaction mixture absorbs heat from the surroundings. Therefore, the products will have a higher energy than the reactants and $\Delta \text{H}$ will be positive.
In an exothermic reaction, the reaction mixture releases heat to the surroundings. Therefore, the products will have a lower energy than the reactants and $\Delta \text{H}$ will be negative.