Equilibrium (CH-12-01)

Why it matters: the first genuinely new conceptual leap in Year 12 — reactions don't just "go to completion," they settle into a dynamic balance, and this framework (Le Chatelier's principle, \(K_{eq}\)) underpins both Acid–Base Reactions and much of Applying Chemical Ideas later in the course.

Status

Focus area landing page only. Sub-topics below will be built to full depth (Core, plus Advanced/Extension where a genuine hook exists) in teaching order — see the site's build-order note in project.md Section 3a, and the full content checklist in Section 7c.

Sub-topics

Sub-topic	Status
Dynamic equilibrium	Not started
Factors that affect equilibrium	Not started
Calculating the equilibrium constant	Not started
Solution equilibria	Not started