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Example Questions
Example Question #3 : States Of Matter
Which of the following describes the concept of sweating?
Possible Answers:
Sweating results in decreased body temperature because evaporation is exothermic
Sweating results in increased body temperature because evaporation is exothermic
Sweating results in a decreased body temperature because evaporation is endothermic
Sweating results in increased body temperature because evaporation is endothermic
Correct answer:
Sweating results in a decreased body temperature because evaporation is endothermic
Explanation:
Sweating reduces skin temperature because the sweat that is secreted to the skin evaporates, which is an endothermic process. Thus, heat is absorbed from the body and skin to drive the evaporation of the sweat on the skin.
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