Calculate standard cell potential from electrode potentials and identify the electrodes.
Cell potential is the difference between the two electrode potentials, and a positive value means the cell delivers energy. The Daniell-type defaults give 1.10 V, matching a zinc-copper cell. The same electrode pair can form a galvanic or electrolytic cell depending on the direction imposed, and the sign of the potential tells you which happens spontaneously.
Cell Potential
E°cell = E°cathode − E°anode; ΔG° = −nFE°cell
E°cell = E°cathode − E°anode; ΔG° = −nFE°cell Cell potential is the difference between the two electrode potentials, and a positive value means the cell delivers energy. The Daniell-type defaults give 1.10 V, matching a zinc-copper cell.
The same electrode pair can form a galvanic or electrolytic cell depending on the direction imposed, and the sign of the potential tells you which happens spontaneously.
This calculator takes 3 inputs: Cathode standard potential, Anode standard potential, Electrons transferred. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.