Respuesta :
By definition of what happens at the electrode surfaces, electrons always flow from the anode to the cathode in every electrochemical cell (voltaic and electrolytic).
What is Electrochemical Cell?
A device that produces electricity from a chemical reaction or that uses electrical energy to fuel a chemical reaction is known as an electrochemical cell. Voltaic or galvanic cells are electrochemical devices that produce electricity as a result of a spontaneous redox reaction. A voltaic cell can be compared to a battery. The type of cell known as an electrolytic cell needs an electrical supply to maintain the flow of electrons necessary to power the chemical reaction. The anode, cathode, and electrolyte are the three main elements of an electrochemical cell. A metal wire links the anode and cathode of a voltaic cell, which are divided into two half-cells. Ions can move between the two cells thanks to a salt bridge, completing the electrical circuit. Ions are produced by the electrolyte solution.
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