Advertisement Remove all ads

Why is Respiration Considered an Exothermic Reaction? Explain. - Science

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads

 Why is respiration considered an exothermic reaction? Explain.

Advertisement Remove all ads

Solution 1

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

Solution 2

For the survival of life we require energy.We obtain this energy from the food we eat. The food molecules, through the process of digestion is broken down into simpler molecule like glucose. These substances come in contact with the Oxygen present in our body cells to form Carbon dioxide and water along with a certain amount of energy(Respiration process). Since the energy is in the form of heat(that maintains our body temperature) the respiration is considered to be an exothermic reaction.The reaction taking place is:


Concept: Types of Chemical Change or Chemical Reaction - Direct Combination (or Synthesis) Reaction
  Is there an error in this question or solution?


NCERT Class 10 Science
Chapter 1 Chemical Reactions and Equations
Q 10 | Page 15
Lakhmir Singh Class 10 Chemistry (Science)
Chapter 1 Chemical Reactions and Equations
Q 1 | Page 18
Advertisement Remove all ads

View all notifications

      Forgot password?
View in app×