Question

Q.3. Why is respiration considered an exothermic reaction? Explain.
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Answer 1

Answer:

Carbolydrates present in food are broken down to form glucose. This glucose combines with oxygen in the cells of our body and provides energy. This reaction is known as respiration. hence,respiration is considered as an exothermic reaction.

- Hint: When you breathe out, try to feel it. The air that comes out of our body when we breathe out is warm. In an exothermic reaction, heat is produced ...

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Answer 2

Answer:

Hope it helps............

Explanation:

- // In respiration carbohydrates present in food are broken down

to form glucose.

- // This glucose combines with oxygen in the cells of our body

and provides energy to the organism.

{ - // An exothermic reaction is a reaction in which energy is liberated out.}

- // As energy is released during respiration , respiration is considered as an exothermic reaction.

Equation for respiration - /

Glucose ( From Food )+ Oxygen ( From Air ) -----------> Carbon dioxide + Water + Energy