Warm-Up Exercise 5

Due 12:15 pm, Fri 7 Sep 2012

Physics 123, Fall 2012

Reading assignment: 21.1

In the molecular model of ideal gases, what is it that causes a gas to exert pressure on its surroundings?

What is it that causes a gas to have a certain temperature?

Compare vrms for various gases given in Table 21.1 to the speed of sound given in Table 17.1. Is there a connection? Why/why not?