Written by the Fiveable Content Team โข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated August 2025
Definition
An exothermic reaction is a chemical reaction that releases energy in the form of heat. During an exothermic reaction, the products have less energy than the reactants, resulting in a net release of heat.