Lecture16 - At 298 K E = E - (0.0592 / n) log Q Voltaic...

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Voltaic Cells Read: 18.5 to 18.7 HW: P861 # 35, 37, 39, 43, 63, 65, 69, 73
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Voltaic Cells Spontaneous oxidation-reduction reaction generates electricity Sign of E? Sign of ∆G Size of K?
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Cell 1: Mg/Mg +2 // Ag + /Ag Cell 2: Al/Al +3 // Ni +2 /Ni For each cell: 1) Balanced redox reaction? 2) Cell potential? 3) Anode? 4) Cathode? 5) ∆G?
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Nernst Equation Voltage potential at non-standard conditions E = E° - (RT / nF) ln Q
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Unformatted text preview: At 298 K E = E - (0.0592 / n) log Q Voltaic Cell: Al / Al 3+ // Cu 2+ / Cu At 298 K 1) E cell if [Al 3+ ] = 1.0 M and [Cu 2+ ] = 1.0 M? 2) E cell if [Al 3+ ] = 1.0 M and [Cu 2+ ] = 0.01 M? 3) E cell if [Al 3+ ] = 0.01 M and [Cu 2+ ] = 1.0 M? Voltaic Cell: Al/Al 3+ // Ag/Ag + Standard E? Cell runs until [Ag + ] = 0.1 M, new E?...
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Lecture16 - At 298 K E = E - (0.0592 / n) log Q Voltaic...

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