Question 10:
Why is respiration considered an exothermic reaction? Explain.
Answer
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 into simpler
substances such as glucose. Glucose combines with oxygen in 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.
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