Enthalpy Changes and Hess's Law — Enthalpy change; Key definitions; Calorimetry; Hess's law; Bond enthalpies
Born-Haber Cycles, Entropy and Free Energy — Lattice enthalpy and Born-Haber cycles; Factors affecting lattice enthalpy; Perfect ionic model vs reality; Entropy (ΔS); Gibbs free energy (ΔG)