Consider the electrochemical cell described by the following reaction at 310 K. The measured cell potential is 0.242 V. What is the concentration of iodide ion (in M) if there are 1.40 M of cadmium ions in the cell? 2CuI(s) + Cd(s) → Cd2+ + 2I– + 2Cu(s)   (Use R = 8.314 J/mol-K; F = 96485 C/mol)  Additional data: E° CuI/I-/Cu = –0.17 V E° Cd2+/Cd = –0.403 V

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Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.