Unit 5 is taught through 3 sections

- Equilirbia, Energetics and elements
- Energy
- Transition elements

## Equilirbia, Energetics and elements

- Rates of reactions
- Orders
- Half lives
- Initial rates
- Rate determining steps

- Equilibrium
*k*_{c}– the equilibrium constant*k*_{c}and the rate equation

- Acids and pH
- Conjugate acid – base pairs
*k*_{w}Water dissociation constant- Buffer solutions
- Neutralisation – titration curves
- Neutralisation – Enthalpy changes

## Energy

- Lattice enthalpy
- Enthalpy change of solution
- Entropy
- Gibbs free energy
- Advanced redox
- Cells and half cells
- Cell potentials
- Feasibility of reactions

## Transition elements

- Transition metals
- Catalysis
- Ligands
- Transition metal complexes
- Shapes of complexes
- Ligand substitution
- Redox titrations