
Interpretation:
This is to be explained that air pump becomes hot when air is pumped into bicycle tire.
Concept introduction:
It is based on Gay-Lussac’s Law.
According to it, volume remaining constant, Pressure of gas is directly proportional to temperature.

Answer to Problem 116A
Because of the pressure exerted by air pump, temperature increases according to Gay-Lussac’s Law and pump gets hot.
Explanation of Solution
When air is pumped into bicycle tire, pressure of air increases which increases the temperature of air. That’s why pump becomes hot.
This happens according to Gay-Lussac’s Law.
Chapter 18 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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