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Quantitative experiments on supersaturated solutions for the undergraduate thermodynamics laboratory

J Güémez1, C Fiolhais2 and M Fiolhais2

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Quantitative experiments on supersaturated solutions are presented. They serve to introduce topics such as the solubility curve and irreversible phase transitions. Experimental results are analysed with the aid of Hess's law. These kind of experiments, which in the present case employed sodium acetate trihydrate, may be chosen as a student's project in experimental thermodynamics.


PACS

65.20.-w Thermal properties of liquids

64.75.-g Phase equilibria

Subjects

Soft matter, liquids and polymers

Dates

Issue 1 (January 2005)

Received 9 July 2004, in final form 10 September 2004

Published 26 October 2004



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