
Exothermic process - Wikipedia
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.
What Are Exothermic Reactions? Examples and Definition
Aug 24, 2025 · Beyond heat, exothermic reactions can also release energy in other forms, such as light. Combustion reactions, for example, often produce a visible flame, which is a clear sign of light …
Exothermic reaction Definition - General Chemistry II Key Term | Fiveable
An exothermic reaction is a chemical process that releases energy, usually in the form of heat, to its surroundings. This type of reaction typically results in a decrease in the enthalpy of the system as …
7.3: Exothermic and Endothermic Reactions - Chemistry LibreTexts
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 surroundings increases.
Endothermic and Exothermic Chemical Reactions - ThoughtCo
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.
EXOTHERMIC | definition in the Cambridge English Dictionary
The breaking of bonds is an endothermic process requiring energy, while the making of bonds is an exothermic process with energy being released. The reaction on the surface is exothermic, so the …
Understanding Endothermic and Exothermic Reactions
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 physical …
EXOTHERMIC Definition & Meaning - Merriam-Webster
The meaning of EXOTHERMIC is characterized by or formed with evolution of heat. How to use exothermic in a sentence.
Exothermic Reactions - Definition and Examples
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 iron, and freezing …
Endothermic and exothermic processes | Research Starters - EBSCO
An exothermic process involves the release of thermal energy into the environment to cause a change in matter. The changes in matter caused by endothermic and exothermic processes may be physical or …