At body temperature 2,404 joules of energy are required to evaporate 1.00 g of water. After vigorous exercise, a person feels chilly because the body is giving up heat to evaporate the perspiration. A typical person perspires 25 mL of water after 20. minutes of exercise. How much body heat is this person using to evaporate this water A) 6.0 * 10⁴ J B) 6.3 * 10⁴ J C) 6.5 * 10⁴ J D) 6.7 * 10⁴ J E) None of the above

Question

Quizplus · Accepted Answer

25 mL of water is 25 g of water. The energy required to evaporate this water is 25 g * 2,404 J/g = 60,100 J = 6.0 * 10^4 J.

At Body Temperature 2,404 Joules of Energy Are Required to Evaporate