The standard reaction Gibbs energy for the reaction: K2CrO4 (aq) + 2 Ag (s) + 2 FeCl3 (s) → Ag2CrO4 (s) + 2 FeCl2 (aq) + 2 KCl (aq) is – 62.5 kJ mol-1. Calculate the standard potential of the corresponding galvanic cell. [+0.324] The answer is in the bracket, I would like to know how it was obtained. Thank you!

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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.