Question

Why respiration is considered as an exothermic reaction?

Answer 1

During respiration, glucose molecules are converted to other molecules in a series of steps. They finally end up as carbon dioxide and water. The reaction is exothermic because the C=O and O-H bonds in the products are so much more stable than the bonds in the reactants.

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Answer 2

respiration is considered as an exothermic reaction because heat is evolved during the reaction so hence called the exothermic reaction