CHEMISTRY 123 Problem Set #1 Equations of State
1. When I put a teakettle that contains water (my system) on the stove, what is the sign of the
heat flow? The water boils and the escaping steam makes a loud whistle (work, producing
sound waves). What is the sign of this work?
1. A metal gas cylinder with an internal volume of 3.0L arrives containing 2.0 moles of He.
The temperature is 298 K. What is the pressure inside this cylinder?
2. The temperature of the room storing the gas cylinder of Problem 3 falls to 273 K. What is