Discussion Exp 11

Discussion Exp 11 - Discussion Experiment 11: Oxidation-...

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Discussion Experiment 11: Oxidation- Reduction Electrochemistry In this experiment there was four parts in which we were measuring the relative reduction potentials of metals and to understand the relationship between reduction potentials and reaction spontaneity. For the first part of the experiment we placed solid forms of silver, copper, iron and zinc on the edges of a filter paper and put a couple of drops of 1 M potassium nitrate to make a salt bridge. We then measured the standard reduction potentials of each metal in reference to copper and silver. Standard Reduction Potentials at 25 ° C Given Measured Actual Half-reaction E ° (volts) Reference d to the Hydrogen Electrode E ° (volts) Referenced to the Copper Electrode E ° (volts) Referenced to the Silver Electrode E ° (volts) Referenced to the Copper Electrode E ° (volts) Referenced to the Silver Electrode Ag + +e - Ag (s) 0.80 0.412 0.00 0.46 0.00 Cu 2+ +2e - Cu(s) 0.34 0.00 -0.41 0.00 -0.46 2H + +2e - H 2 (g) 0.00
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Discussion Exp 11 - Discussion Experiment 11: Oxidation-...

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