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All reactions require an activation energy. Some appear not to because that energy is provided enough by their temperature. Thus, there is no reaction that does not require any initial energy to occur.

A reaction that results in an overall release of energy is called an exothermic reaction.

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Q: What type of reaction releases energy and does not require initial energy to occur?
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Related questions

A reaction that releases energy as it occurs is classified as?

A reaction that releases energy is exothermic.


What is a reaction that releases energy into its surroundings?

An exothermic reaction releases energy to its surroundings.


What is an example of a chemical reaction that releases energy?

A chemical reaction that releases energy is called an exothermic reaction.


A chemical reaction that releases energy is called?

Exothermic reactions


Is it true when a reaction is at a equilibruim increasing the temperature favors the reaction that releases energy as heat?

No that is false. Increasing temperature favors the reaction that absorbs energy, not that releases energy as heat.


What is exo thermical reaction?

An exothermic reaction is a reaction that releases energy.


What is a reaction that releases energy in the form of heat?

Exothermic reaction


What is the reaction in which energy is released?

A reaction that releases energy is usually termed exothermic reaction. Energy is usually released as heat.


Does a catabolic reaction absorb or require energy?

A reaction is endergonic when it requires a net input of energy; if the products contain more energy than the reactants. So, no an endergonic reaction takes in energy. An exergonic reaction releases energy. In an exergonic reaction, the reactants contain more energy than the products.


What type of reaction is characterized by a release of energy?

The general term for a chemical reaction that releases heat is an exothermic reaction. The energy released is called enthalpy.A reaction that releases energy is called an exothermic reaction.


What is the differences between exothermic reaction and endergonic reaction?

exothermic reaction releases energy and endergonic reaction absorbs energy


What type of reaction releases energy?

exothermic