Solved: Even at rest, the human body generates heat. The
Chapter 15, Problem 15.153(choose chapter or problem)
Even at rest, the human body generates heat. The heat arises because of the bodys metabolismthat is, the chemical reactions that are always occurring in the body to generate energy. In rooms designed for use by large groups, adequate ventilation or air conditioning must be provided to remove this heat. Consider a classroom containing 200 students. Assume that the metabolic rate of generating heat is 130 W for each student and that the heat accumulates during a fiftyminute lecture. In addition, assume that the air has a molar specific heat of and that the room (volume 1200 m3 , initial pressure 1.01 105 Pa, and initial temperature 21 C) is sealed shut. If all the heat generated by the students were absorbed by the air, by how much would the air temperature rise during a lecture?
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