In an exothermic reaction, the activation energy (energy needed to start the reaction) is less than the energy that is subsequently released, so there is a net release of energy.

A chemical reaction is exothermic if heat is released by the system into the surroundings. Because the surroundings is gaining heat from the system, the temperature of the …

Mar 9, 2016 · An exothermic reaction is defined as a reaction that releases heat and has a net negative standard enthalpy change. Examples include any combustion process, rusting of …

May 8, 2025 · Exothermic reaction: Releases heat (feels hot). These energy exchanges are part of a broader field known as thermochemistry, which studies the heat involved in chemical and …

Jul 30, 2024 · Endothermic and exothermic reactions are chemical reactions that absorb and release heat, respectively. Photosynthesis is a good example of an endothermic reaction.

Aug 29, 2025 · Exothermic reactions are chemical processes that release energy into their surroundings, primarily in the form of heat, but sometimes also as light or sound. This release …

An exothermic reaction refers to a chemical process in which energy, usually as heat, is released into the surroundings. This means the products of the reaction have less energy than the …

The meaning of EXOTHERMIC is characterized by or formed with evolution of heat. How to use exothermic in a sentence.

EXOTHERMIC definition: noting or pertaining to a chemical change that is accompanied by a liberation of heat (endothermic ). See examples of exothermic used in a sentence.

…heat; such reactions are called exothermic. Reactions that require an input of heat to proceed may store some of that energy as chemical energy in newly formed bonds.