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Subject:	Re: Need a chemist or chemical engineer to answer
From:	"Crepeau, Phil" <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Wed, 17 Dec 2003 13:17:58 -0800
Content-Type:	text/plain
Parts/Attachments:	text/plain (51 lines)

hi,

ah yes, s. gladstone.  i remember him well; unfortunately not everything he wrote.  my textbook of his is 'textbook of physical chemistry'.  what a terrific text.  this classic is on my bookshelf at home not at work.  i should have paid more attention the concept that you can't apply kinetics to changes in state.  oh well...

phil

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Leo Roos
Sent: Wednesday, December 17, 2003 12:46 PM
To: [log in to unmask]
Subject: Re: [TN] Need a chemist or chemical engineer to answer

Hi Bev:

Crepeau is correct. Definitions on chemical reactions can be found in an old
text book by Sidney Benson (my graduate school text) "The Foundations of
Chemical Kinetics", McGraw Hill, 1960. By his definition a chemical reaction
must occur before you can invoke the law of chemical kinetics. In another
words you must have a "chemical reaction". In actuality, you can only
measure a change in state and Samuel Gladstone describes the "latent heat of
sublimation" in his text Elements of Physical Chemistry. What it comes down
too is that even 0 order has no meaning in this case.

Leo Roos
----- Original Message -----
From: "Bev Christian" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, December 17, 2003 10:56 AM
Subject: [TN] Need a chemist or chemical engineer to answer

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