In its charged state, a leadacid battery contains PbO 2 and Pb electrodes. The half equations that

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In its charged state, a lead–acid battery contains PbO2 and Pb electrodes. The half equations that occur during discharge can be written as below. Give the overall cell equation and estimate E° cell. State which electrode is the cathode and which the anode.

PbO(s) + 3HO*(aq) + HSO4 (aq) + 2e + PbSO4(s) + 5HO(1); E = 1.685 V PbSO4(s) + HO (aq) + 2e  Pb(s) + HSO4

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Solid State Materials Chemistry

ISBN: 9780521873253

1st Edition

Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt

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