Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Chemical reactions involve the process by which substances interact to form new substances with different chemical and physical properties. These reactions are fundamental to all biological processes, including those that occur in the human body.
Related terms
Reactants: Substances that start a chemical reaction and are transformed into products.
Products: The new substances formed as a result of a chemical reaction.