Question

Why does respiration considered as an exothermic reaction ??

Answer 1

Respiration is considered an exothermic reaction as heat energy in the form of A T P i.e Adenosine Triphosphate

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