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Unformatted text preview: Ryan Cohen 2/17/09 Oxidation-Reduction Electrochemistry The purpose of this lab was to explore the complexities of electrochemistry through the fundamentals of oxidation-reduction reactions. The first part of lab measured the standard reduction potentials of a series of metals by creating a simple galvanic cell model and measuring relative potential differences at different electrodes. The second and third parts of the lab observed the Oxidation-Reduction reactions between Aluminum and Silver in Copper solutions noting specific electrochemical observations and suggesting subsequent conclusions. The last part of the lab calculated Faraday’s constant and Avogadro’s by examining data from a simple electrolytic cell model created in the lab. The first part of the lab demonstrated the relative relationship of the standard reduction potential of metals, by measuring reduction potentials of a variety of metals in respect to Copper and Silver reference electrodes. The lab constructed a simple galvanic cell model, separating four metals, Ag(s), Cu(s), Fe(s), and Zn(s) at separate sides of the cell. Using a voltmeter and the Copper and Silver as reference electrodes, the standard reduction potentials of each metal...
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