Question

Why is respiration consider a exothermic reaction explain

Answer 1

Carbohydrates present in food are broken down to form glucose. This glucose combines with Oxygen in the cells of our body and provides energy. Thisreaction is known as respiration. Hence, respiration is consideredas an exothermic reaction.

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