Unit 3.8/3.9 – Equilibrium constants and Acid-base equilibria

A level Chemistry

Unit 3.8/3.9 – Equilibrium constants and Acid-base equilibria

Revision of AS Equilibria

• Le Chatelier’s Principle
• K_c calculations

A2 Equilibria

• K_p calculations
• The effect of temperature on the equilibrium constant
• Relating the equilibrium constant to the position of equilibrium.

Revision of AS Acid-Base

• Lowry-Bronsted theory of acids and bases
• Key terms (e.g. strong, weak, conjugate)

A2 Acid-Base

• Calculations involving pH, K_w, K_a and pK_a
• Buffer solutions and associated calculations
• Titration curves