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Unformatted text preview: oxidation occurs, and the cathode is the electrode at which reduction occurs. The overall redox reaction that occurs is called the cell reaction. 5. The voltmeter measures the potential difference between the electrodes. This is the driving force that propels electrons from the anode to the cathode and is also called the cell potential or cell voltage (E cell ). NOTE: 1 V = 1 J/C This means that 1 volt is 1 Joule of energy per unit of charge (1C) that flows....
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