Transcript
![Page 1: Electron-Transfer Reactions Cu 2+ (aq) + Zn(s) Cu(s) + Zn 2+ (aq)](https://reader035.vdocument.in/reader035/viewer/2022062216/56649d565503460f94a33a14/html5/thumbnails/1.jpg)
Electron-Transfer Reactions
Cu2+(aq) + Zn(s) Cu(s) + Zn2+(aq)
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Cu2+(aq) + Zn(s) Cu(s) + Zn2+(aq)
Half-Reactions:
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Direct vs. Indirect Electron-Transfer Reactions
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Electrochemical Cells
Cu2+(aq) + Zn(s) Cu(s) + Zn2+(aq)
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Eocell = Eocathode - Eo
anode
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Why are some things good oxidants or reductants?
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Standard Cell Potentials: Voltages
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Relationship Between Go and Eo
Go = -nFEo
F = 96.485 kJ/mol
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V are J/C
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An electrolytic cell is used to generate 2.4 L of H2 gas from water at a pressure of 1 atm and 290 K, running at a voltage of +2.6 V and 14 Amps. How long does it take?
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