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Topic: Osmotic Pressure  (Read 2609 times)

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Offline muffins

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Osmotic Pressure
« on: February 02, 2014, 02:33:07 PM »
Hello,
I was wondering, why does the expression for osmotic pressure : π=iRTc contains the gas constant, if the solutes aren't in the gas phase?

Thanks
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Offline Borek

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Re: Osmotic Pressure
« Reply #1 on: February 02, 2014, 02:38:36 PM »
R appears everywhere in thermodynamics. I suppose the name has a historical background, but in fact it is a proportionality constant combining energy and temperature, and as such is pretty universal.
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Offline muffins

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Re: Osmotic Pressure
« Reply #2 on: February 02, 2014, 03:13:53 PM »
Thank you very much for the rapid response.
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