Warmup #22: The Ideal Gas Law PV=nRT

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The first three questions refer to the material you were to read in preparation for 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. Questions 4 is your opportunity to suggest what we should emphasize today and how.

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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 in one cubic meter of air in the physics lab on an average day.



3. The ideal gas law can be written either as PV = nRt or as PV = NkT. Explain the difference between the n and the N and between k and R. Suggest problems for which each of these versions of the law are best.




4. Below is a space for your thoughts, including general comments about today's lab assignment (what seemed impossible, what reading didn't make sense, what we should spend class time on, what was "cool", etc.):




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

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