Chemical reactions can be classified as exothermic or endothermic. After studying these images and descriptions be sure to watch the Energy and Chemical Reactions animation.
|Exothermic reactions release more energy than they absorb. The reactants in exothermic reactions have higher bond energy than the products. When the bonds are broken energy is released.||
|Endothermic reactions absorb more energy than they release. The reactants have lower bond energy than the products. Energy is absorbed by the reaction.||