Chapter 17: Phases and Phase Changes
Warm-Ups



1.  

The ideal gas law says the pressure of a gas on its container walls depends on the temperature of the gas. Please explain why this is so.

2.  

Estimate the number of gas molecules in one cubic meter of air in your classroom on an average day.

3.  

Name a correct unit for STRESS in the everyday lb, foot, second system. Name a correct unit for STRAIN in the everyday lb, foot, second system?

4.  

Estimate the speed of a typical molecule of oxygen in your living room. How about a nitrogen molecule? a water molecule?

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