Equilibrium 2: Effect of adding a catalyst and changing concentration

Learn the following aspects in part 2 of this equilibrium topic: 1. Definition of equilibrium 2. Effect of adding a catalyst on the position of equilibrium 3. Changing the concentration of reactants and products on position of equilibrium 4. How precipitation reactants effect equilibrium 5. How the water equilibrium effects the position of equilibrium Step by step worked examples and PPQ