Question

why is the respiration an exothermic reaction and photosynthesis an endothermic reaction​

Answer 1

Answer:

The reaction of respiration is exothermic as glucose is broken down into carbon dioxide, water and 38ATP energy. ... The reaction of photosynthesis is endothermic because the carbon dioxide and water in the presence of Sunlight and chlorophyll or we can say heat is converted into glucose which is endothermic reaction.

Explanation:

mark me as brainliest

Answer 2

Answer:

• "Any reaction that evolves heat as a by-product of the reaction is called an exothermic reaction. ... Therefore, respiration is an exothermic reaction and the heat produced is distributed throughout the body as energy and that is the reason when we breathe out or breath is warm.

• Photosynthesis is considered an endothermic reaction, because during the process of photosynthesis, energy from the sun or sunlight is being absorbed.Any chemical reactions that absorb heat energy from the surroundings to form products is termed the endothermic reaction."