Question

what is an exothermic reaction ? illustrate it with an example​

Answer 1

Answer:

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 of water. Exothermic reactions are reactions that release energy into the environment in the form of heat.

Explanation:

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Answer 2

Answer:

reaction in which heat is realeased with the formation of product are called exothermic reaction

ch4+O2------> Co2+H2o+ heat

respiration