Colour by Design
Activities
O1.1: What is the relationship between a solvent and the substances that dissolve in it?
O1.2: What changes occur when an ionic solid dissolves?
O1.3: What factors affect the enthalpy change of formation of an ionic compound?
O3.1: The enthalpy change of vaporisation of water
O3.2: What crystals form when a solution is cooled?
O4.1: Finding out more about weak acids
O4.2: Investigating some buffer solutions
O5: Check your notes on The Oceans

Chemical Storylines
O1: The edge of the land
O2: Wider and still deeper
O3: Oceans of energy
O4: A safe place to grow
O5: Summary

Chemical Ideas
5.1 Ions in solids and solutions (revision)
4.5 Energy changes in solution
4.6 The Born-Haber cycle
4.4 Energy, entropy and equilibrium
5.4 Forces between molecules: hydrogen bonding (revision)
7.1 Chemical equilibrium (revision)
7.2 Equilibria and concentrations (revision)
8.1 Acid-base reactions (revision)
7.7 Solubility equilibria
11.2 The s block: Groups 1 and 2 (revision)
8.2 Weak acids and pH
8.3 Buffer solutions