Experiment 15

Experiment 15 - Experiment 15: Variation of Solubility with...

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Experiment 15: Variation of Solubility with Temperature and Solvent Kim Smith Chemistry 122 2/4/11 T.A.- Antony Akura Okumu
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Purpose: To be able to determine the solubility of a substance as a function of temperature and also to compare solubility’s of solvents. Procedure: Refer to pages 43-45 of Laboratory Experiments in General chemistry, Volume 2 by Judith Casey and Robert Tatz, Hayden McNeil Publishing, Winter 2011- Spring 2011. Report Sheet: See attached report sheet Sample Calculations: Sample Calculations of solubility for an aqueous solution and for a mixed solvent solution and mole fraction: Questions: 1. Does the solubility of your solute increase of decrease in temperature? Write the equation for the solubility equilibrium for you solute and include heat as a reactant or product. Explain the heat effect in terms of relative energies involved in the process of solution. Draw the corresponding energy level diagram. Is Δ H soln positive or negative? 3.
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This note was uploaded on 02/16/2011 for the course CHEM 101 taught by Professor Stegemiller during the Spring '07 term at Ohio State.

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Experiment 15 - Experiment 15: Variation of Solubility with...

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