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Unformatted text preview: A positive voltage means the reaction proceeds forward (as written). Negative means reverse reaction is spontaneous. Charge (uphill direction, negative voltage) and discharge (downhill, positive voltage) dG=(-1)nF(dE) n=number mole electrion, F=Faraday constant (96485.3365 Coulombs/mole), dE=potential In a battery, the more use will build up the Zn+2 concentration on the anode side, and reduce the Cu+2 concentration on the cathode side, slowing down the potential. If you put the zinc anode in the copper solution, voltage will still be produced, it just won’t be captured. Copper will build up on zinc anode… the electrons go straight from zinc to the copper building up on it....
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This note was uploaded on 01/16/2012 for the course ENVIRON 404 taught by Professor Rasmussen during the Fall '11 term at University of Michigan.
- Fall '11