Gas Pressure: Molecule Motion & Temp Effects

[Blanchette]

1. I need to describe the pressure of a gas in terms of the motion of its molecules, and the effect of a change of temperature on the pressure of a gas at constant volume.2. I have looked these up in the internet, but every page says something different. I don't really understand what the second one is asking me, since it clearly states at constant volume and I am in doubt as to what it would be if the gas was not at a constant volume.3. For the first one, I am thinking something simple like faster partiles collide stronger so pressure increases expanding the gas. I wish to get a bit more information, since I think my answer is too simple. Also, I am clueless for the second one.

 

[Dr. Courtney]

https://en.wikipedia.org/wiki/Pressure

This page explains it well.

Also consider the ideal gas law: pV = nRT. How are p and T related if V is constant?

 

[Blanchette]

https://en.wikipedia.org/wiki/Pressure

This page explains it well.

thanks, I will go check it out :)

 

[lightgrav]

Both sentences are the same scenario ... the gas is constant Volume, but its Temperature increases - explain what the molecule motion has to do with Pressure.
Sounds like a "C" already - correct physics often sounds "too simple" .
... you could justify why you think that increased pressure will cause the gas to expand (it doesn't, in a pressure cooker), {⇒"B"}
or specify what you mean by "collide stronger" {⇒A-}, or by explaining how you know the molecules are moving faster {⇒A+brownie points}.