Calculate the standard cell potential produced by a galvanic cell consisting of a sodium electrode in contact with a solution of Na+ ions and a copper electrode in contact with a solution of Cu2+ ions. Which is anode and which is the cathode?  Na+(aq) + e- <--> Na(s) E° = -2.71V (must be flipped) Cu2+ (aq) + 2e- <--> Cu(s) E° 0.34 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.