Determination of Equilibrium Constants Using Galvanic Cells

Determination of Equilibrium Constants Using Galvanic Cells...

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Determination of Equilibrium Constants Using Galvanic Cells Abstract: This experiment was done in order to investigate the relationship between galvanic cell voltage and the solubility constants of the equations. This was done by creating galvanic cells and then measuring their voltage and calculating the solubility constants from these values. In this experiment solutions of Zinc, Copper, and silver were used. The dissociation for the Zinc and Ammonia decomposition was experimentally determined to be 0.169 while the decomposition of Silver Chloride was deteremined to be 1.38x10^-9. Introduction: Galvanic cells are cells in which two separate metals are partially submerged in a solution and the solutions are connected by a salt bridge. The unsubmerged ends of the metals are attached to wires that connect at a volt meter. The volt meter measures the electric current that occurs from the transference of electrons from one metal to another through the wire, solutions, and salt bridges. These volt values can then be used to determine the solubility constants of the solutions that are in the galvanic cells. First off Q
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This note was uploaded on 04/10/2008 for the course CHM 115 taught by Professor Lab during the Spring '08 term at Wilkes.

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Determination of Equilibrium Constants Using Galvanic Cells...

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