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OpenStudy (anonymous):

HELP for those who are in CHEMISTRY AT CACAL!!! I WILL GIVE A MEDAL FOR THE BEST ANSWER!!!!

OpenStudy (wolfe8):

What is the question?

OpenStudy (anonymous):

Its for the Unit 1 Lesson 7 portfolio i just have 2 question D:

OpenStudy (anonymous):

How is the PV product affected using an ideal gas with a different molecular weight (Ideal Gas 8)? @wolfe8

OpenStudy (wolfe8):

Well, from looking at the relationship PV=nRT, rewriting n as m/molecular weight you have PV=(m/molecular weight)RT, you can see that the molecular weight is inversely proportional to PV.

OpenStudy (anonymous):

and also How are your results affected using a Real Gas ?

OpenStudy (anonymous):

THX so MUCH!!!

OpenStudy (wolfe8):

Idk your result

OpenStudy (anonymous):

wiat

OpenStudy (wolfe8):

Try giving this a look http://pages.towson.edu/ladon/gases.html

OpenStudy (anonymous):

k

OpenStudy (wolfe8):

Btw, the data look the same for both tables with different MW's. That sounds like it doesn't go with what I said. Igtg to class now. I'll take a look again later if you still need help.

OpenStudy (anonymous):

ok thx

OpenStudy (aaronq):

"How is the PV product affected using an ideal gas with a different molecular weight (Ideal Gas 8)?" It's not affected, look at the numbers, they're all the same.

OpenStudy (aaronq):

"How are your results affected using a Real Gas?" \(N_2\) acts fairly ideally, so not much deviation will be observed. You data seems to be missing the a and b parameters from the real gas law (van der waals equation) \((P+\dfrac{\color{red}an^2}{V^2})(V-n\color{red}b)=nRT\)

OpenStudy (anonymous):

thxxxx @aaronq

OpenStudy (aaronq):

no problem

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