Transcription of Electrochemistry
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ElectrochemistryChemical reactions at an electrode, galvanic and electrolytic cellsA Chem1 Reference TextStephen K. Lower Simon Fraser University1 Table of contents1:Chemistry and electricity .. 3 Electroneutrality .. 3 Potential differences at interfaces .. 52:Electrochemical cells .. 6 Transport of charge within the cell .. 7 Cell description conventions .. 8 Electrodes and electrode reactions .. 8 Standard half-cell potentials .. 9 Reference electrodes .. 113:Prediction and significance of cell potentials .. 12 Cell potentials and the electromotive series.
the concentration of Zn2+ is still too low (around 10–10 M) to be detected by ordinary chemi-cal means. Fig. 1: Oxidation of metallic zinc in contact with water. Page 4 Electrochemistry There would be no build-up of opposing charges in the two phases if the excess electrons
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