Chemical reactions that release energy are described by as exothermic reactions, and their equations follow the form: reactants = products + energy. Examples of exothermic reactions are explosions, such as ... More » Science Chemistry Chem Lab

Energy can play many different roles in chemical reactions, and it can be a product of a chemical reaction, a necessary component for a chemical reaction, or energy can have little part in a chemical reaction. Chemical r... More » Science Chemistry

Endothermic reactions are chemical reactions which absorb energy from the environment. The products of the reaction store the energy absorbed in the form of chemical bonds, according to More » Science Physics Thermodynamics
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