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REACTIONS · ENERGY · DEVICES
Follow zinc and copper through balanced reactions, charge transport and voltage evidence.
FOLLOW A QUESTION
In an illustrative KNO₃ bridge, nitrate migrates toward the zinc half-cell and potassium toward the copper half-cell, supporting bulk charge balance.
The electrolyte carries ionic current; the metal wire carries electronic current.
MAKE THE CONNECTION
Which bridge carrier is appropriate?
Explore the model (optional)
Metal, dissolved-ion and bridge inventories update together. Species markers are counted examples; polyatomic ions are single labeled markers.
Original species ledger in schematic compartments, not measured particle positions, concentration or reaction kinetics. Nitrate half-cell counterions and a KNO₃ bridge are chosen to make charge balance explicit. Hydration, interfaces and the external wire are omitted from 3D; the companion diagram identifies the transport routes.