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Electrochemistry & Redox

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Electrochemistry & Redox

Daniell Cell

The classic galvanic cell consisting of a zinc electrode in zinc sulfate and a copper electrode in copper sulfate.

Zn + Cu²⁺ → Zn²⁺ + Cu, E° = 1.10 V V
Electrochemistry & Redox

Decomposition Potential

The minimum voltage that must be applied to an electrolytic cell before continuous electrolysis begins.

V
Electrochemistry & Redox

Dry Cell

A primary cell using a moist paste rather than a liquid electrolyte, so it can be used in any orientation.

Zn + 2MnO₂ + 2NH₄⁺ → Zn²⁺ + Mn₂O₃ + 2NH₃ + H₂O V