Warming up to Gases

This assignment is due before 5 AM, Tuesday, November 21st, 2000.

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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 assignments are worth 5 points each lecture day towards your "WWW Exercises" score.




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.

How many water molecules are contained in a cubic meter of water?
If you missed the cool animation, hit refresh and then look at this question again.





3.

Which of the following is NOT characteristic of gases?

Gas molecules are evenly spaced with lots of space between them.


In a balloon, the different gas molecules travel at different speeds.


Pressure is the result of collisions


Molecules at higher temperatures move faster


Intermolecular attractions are negligible



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.

I received no help from anyone on this assignment.



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