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Meaning of Derivating PV=K

by Ultros88
Tags: derivating, meaning
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Ultros88
#1
Feb27-09, 09:37 AM
P: 4
Hi, I'm wondering what the physical meaning there is to taking the volume derivative of the equation pv=k.

d/dv [ pv = k ]
(v * dp/dv ) + p = 0

I know this has to do with the elasticity of a gas but I am unsure as to why this process of deriving the equation pv = k was taken. Any help would be appreciated.

Thanks
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dipstik
#2
Feb27-09, 06:00 PM
P: 99
is that the derivation david bernouli used in hydrodynamics or whatever?

heres a derivation i thought was very accessable

http://books.google.com/books?id=ist...=PA27&lpg=PA27
sp1408
#3
Feb28-09, 09:25 AM
P: 17
The equation is important because in this process....according to the ideal gas equation,the temperature remains constant....and thus the internal energy.
I hope this is what you asked......if not please elaborate a little more on what you mean........


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