Article View: sci.bio
Article #1314Re: Osmosis - the cause at the molecular level.
From: Tom Thomson
Date: Mon, 05 Nov 1990 18:28
Date: Mon, 05 Nov 1990 18:28
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In article <29046@boulder.Colorado.EDU> eddy@boulder.Colorado.EDU (Sean Eddy) writes: >Osmosis is a colligative property. That is, osmotic pressure is >dependent on the *number* of particles in solution -- *not* >their size, mass, etc. The interesting thing is how much space they take up, not how big they are: it's not as if they were closely and rigidly packed so that the space they take depends on their size. Even with BIG molecules in solution, the average radius is SMALL compared with the mean free path. Tom
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!mcsun!ukc!stl!tom From: tom@stl.stc.co.uk (Tom Thomson) Newsgroups: sci.bio,sci.chem,sci.physics,sci.misc Subject: Re: Osmosis - the cause at the molecular level. Message-ID: <3703@stl.stc.co.uk> Date: 5 Nov 90 18:28:54 GMT References: <1990Oct28.115303.7221@newcastle.ac.uk> <4396@pkmab.se> <29046@boulder.Colorado.EDU> Sender: news@stl.stc.co.uk Reply-To: "Tom Thomson" <tom@stl.stc.co.uk> Organization: STC Technology Limited, London Road, Harlow, Essex, UK Lines: 11