Question

why is respiration considered an exothermic reaction? explain. ​

Answer 1

Because during respiration the carbon dioxide, energy and heat is produced..

Due to the formation of heat energy during respiration make it as exothermic reaction..

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Answer 2

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Respiration is considered as an exothermic reaction because in respiration oxidation of glucose takes place which produces large amount of heat energy.

C6H12O6 (aq) + 6O2 (g) → 6CO2 (g) + 6H2O (l) + Energy