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Maxwell-Boltzman Distribution for Ideal Gases (Thermodynamics)

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eliassiguenza
#1
Mar27-11, 09:05 PM
P: 24
I just have a question of this subject, it is a pretty straight forward concept, however there are things that i just can;t figure out, like in any given gas which is the minimum volume required to have a maxwell boltzman distribution, @ 1 atm 273.15 K ? I honestly just can't figure it out... can someone please help me ? i don't know where to even start, please don't give me the answer i just want to accquire the rationale!



=) thanks in advanced!
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Andrew Mason
#2
Mar27-11, 09:27 PM
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P: 6,654
Quote Quote by eliassiguenza View Post
I just have a question of this subject, it is a pretty straight forward concept, however there are things that i just can;t figure out, like in any given gas which is the minimum volume required to have a maxwell boltzman distribution, @ 1 atm 273.15 K ? I honestly just can't figure it out... can someone please help me ? i don't know where to even start, please don't give me the answer i just want to accquire the rationale!
Why do you think there is a minimum volume to have a Maxwell-Boltzmann distribution? Would it not depend on the number of molecules per unit volume rather than just volume? Do you think there would be a clear limit (eg. no. of molecules per unit volume) below which no MB distribution is possible but above which there is?

AM
eliassiguenza
#3
Mar27-11, 09:38 PM
P: 24
yeah sorry i postulated wrong, here it is what i meant, 10^6 molecules are needed to establish a Maxwell-Boltzmann distribution, what is the minimum volume for the ideal gas law to hold @ 1atm and 0 C.

The thing is that i didn't want to post the problem I really need to think it by myself i just wanted a bit of guidance, I have a test on this next wed, so i really want to learn it!

so yeah thats what i meant.. I still have no clue.. :s

thank you! =)


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