Why is respiration considered an exothermic reaction ? Explain.

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1. Chemical Reactions and Equations

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Why is respiration considered an exothermic reaction ? Explain.

Option A

Option B

Option C

Option D

Solution

Energy is required to support life. Energy in our body is obtained from the food we eat. During digestion, large molecules of food are broken down the cells and provides energy. The special name of this combustion reaction is respiration. Since energy is released in the whole process, it is an exothermic process.

$\underset{Glucose}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6(aq)}}}}\,+\underset{~Oxygen~}{\mathop{6{{O}_{2(g)}}}}\,\to \underset{Carbon\text{ }dioxide}{\mathop{6C{{O}_{2(g)}}}}\,+\underset{Water}{\mathop{6{{H}_{2}}{{O}_{(l)}}}}\,$ $+$ Energy

Standard 10

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$Fe _{2} O _{3}+2 Al \rightarrow Al _{2} O _{3}+2 Fe$

The above reaction is an example of a

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Why is respiration considered an exothermic reaction ? Explain.

Solution

Similar Questions

Explain the ''Corrosion'' terms with one example.

What is a balanced chemical equation ? Why should chemical equations be balanced ?

In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.

$Fe _{2} O _{3}+2 Al \rightarrow Al _{2} O _{3}+2 Fe$ The above reaction is an example of a

Explain the ''Rancidity'' terms with one example.

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$Fe _{2} O _{3}+2 Al \rightarrow Al _{2} O _{3}+2 Fe$

The above reaction is an example of a