Potential Difference of A Cell Assembled of Two Electrodes
See also: Galvanic cell#Cell voltage, Electrochemical cell#Cell potential, and Electrolytic cell#Anode and cathode definitions depend on charge and dischargePotential of a cell assembled of two electrodes can be determined from the two individual electrode potentials using:
ΔVcell = Ered,cathode - Ered,anode
or, equivalently,
ΔVcell = Ered,cathode + Eoxy,anode
This follows from the IUPAC definition of the electric potential difference of a galvanic cell, according to which the electric potential difference of a cell is the difference of the potentials of the electrodes on the right and the left of the galvanic cell. When ΔVcell is positive, then positive electrical charge flows through the cell from the left electrode (anode) to the right electrode (cathode).
Read more about this topic: Electrode Potential
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