MadSci Network: Chemistry

Subject: Questions about sodium acetate crystallization.

Date: Sat Jul 31 22:13:13 1999
Posted by Yassmin
Grade level: undergrad School: U. Keele
City: No city entered. State/Province: No state entered. Country: UK
Area of science: Chemistry
ID: 933477193.Ch

I would be very pleased, if you answer my questions in details.

1. Why the crystallisation of a super saturated solution of sodium acetate 
produ ce heat?

2. Why a foreign object can start the crystallisation?

3. As you know in the hand warmers clicking a metal disk start the 
crystallisation of sodium acetate. Why?

Thanking you in advance

Re: Questions about sodium acetate crystallization.

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