AP Chemistry/Equilibrium
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- Equilibrium expressions do not include pure substances, such as solids or non-solution liquids.
- Equilibrium constant K of xA + yB ↔ zC is [C]z / [A]x[B]y
- Acid dissociation constant Ka is [H3O+][A-] / [HA]
- Base dissociation constant Kb is [OH-][HB+] / [HB]
- Solubility product constant Ksp is used for ionic compounds in solutions.
The Basics · Periodicity · Solids and Liquids · Gasses · Reactions · Stoichometry · Thermodynamics · Solutions · Acids and Bases · Equilibrium · Electrochemistry · Nuclear Chemistry · Organic Chemistry

