Warming up on Gases

This assignment is due before 9 AM, Monday, August 28^th, 2000.

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I received no help from anyone on this assignment.

The following three questions refer to the material you were to read in preparation to the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle.

You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT HOMEWORK button at the bottom of this page.

WarmUp questions are worth 4 points each towards your "Homework and Web Assignments" score (250 points total).

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.

2.

Estimate the number of gas molecules per cubic meter of air in the lecture hall on an average day.

3.

A bottle contains air at a temperature of 300 K. Which of the following is the smallest?

The rms velocity of the oxygen molecules in the bottle.

The average velocity of the oxygen molecules in the bottle.

The most probable velocity of the oxygen molecules in the bottle.

The average speed of the oxygen molecules in the bottle.

The rms velocity of the nitrogen molecules in the bottle.

The most probable velocity of the nitrogen molecules in the bottle.

Below is a space for your thoughts, including general comments about today's assignment. What was hard or confusing (or cool)? What would you like to spend extra time on in class? Do you see how this subject fits in with the others we have discussed?

You may change your mind as often as you wish. When you are satisfied with your responses click the SUBMIT button.

This assignment is due before 9 AM, Monday, August 28th, 2000.

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This assignment is due before 9 AM, Monday, August 28^th, 2000.