Question

why respiration is called a exothermic reaction?

Answer 1

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

Answer 2

HI

In the respiration process, heat is evolved as one of the product. Therefore, it is called an exothermic reaction.

⏺️ C6H12O6 (aq) + 6O2 (aq) -------> 6O2 (aq) + 6H2O (l) + energy

Hope it proved to be beneficial...