Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Exothermic reactions are chemical reactions that release heat into their surroundings due to breaking bonds in reactants being less than forming bonds in products.
These are chemical reactions that absorb heat from their surroundings, as forming bonds in products requires more energy than breaking bonds in reactants.