Oxidation–Reduction and Electrochemistry

Redox balancing, galvanic and electrolytic cells, potentials, Nernst, electrolysis, and Faraday laws.

Intended level

Advanced — after Equilibrium and Reactions.

Prerequisites

• chemical-equilibrium
• chemical-reactions-equations

Ordered lessons

1. redox balancing
2. galvanic electrolytic cells
3. electrode potentials nernst
4. electrolysis faraday

Related formulas and calculators

• $nernst-equation$ — see Formula: nernst-equation
• $faraday-electrolysis$ — see Formula: faraday-electrolysis
• $cell-potential$ — see Formula: cell-potential
• $deltaG-nFE$ — see Formula: deltaG-nFE
• nernst-calc
• electrolysis-calc
• galvanic-cell

Only links to real, published tools are shown. Placeholders are not linked.

Common misconceptions

• Electrons flow through salt bridge.
• Galvanic cells need external power.
• Oxidation occurs at cathode.

Related resources

• Constants — sourced physical constants with version stamps.
• Laboratory Safety — PPE, hazards, RAMP.
• Glossary — definitions for key terms in this topic.
• Sources and Data — how sources are versioned and cited.

Curriculum mappings

This topic maps to external frameworks stored in src/content/curriculum/. Never implies official affiliation.

• AP Chemistry 1.1 / IB Chemistry 2.1 (see /curriculum/ap-chem-1-1 and file src/content/curriculum/ap-chem-1-1.md).
• Framework version and source URL recorded per mapping; review date 2026-08-21.

Review and source metadata

• Author: Chemistry Fundamentals Editorial Team (chem-team)
• Reviewer: Dr. Example Reviewer (chemistry reviewer — transparent placeholder, see /editorial-policy)
• Last reviewed: 2026-08-21
• Review due: 2027-08-21
• Sources: NIST Reference Placeholder (nist-2022, 2022-CODATA). Placeholder reference — replace with actual sourced reference per lesson.

Printable summary

Summary card (PDF) — coming soon — print styles preserve equations and tables.

Correction? See Corrections Policy and Contact.