ElectrElectrochemistrochemistryy ...
during the redox reaction Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) (3.1) to electrical energy and has an electrical potential equal to 1.1 V when concentration of Zn2+ and Cu2+ ions is unity (1 mol dm–3)*. Such a device is called a galvanic or a voltaic cell. If an external opposite potential is applied in the galvanic cell [Fig. 3.2(a)] and ...
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