9701/42 · Oct/Nov 2024

First-order kinetics and half-life, how transition metals catalyse (Haber process, catalytic converters, NO₂ with SO₂), and predicting reactions from E⦵ values.

Hydration enthalpies of Na⁺, Mg²⁺ and Al³⁺, an energy cycle for the lattice energy of MgCl₂, entropy, and ΔG for a dissolving salt.

pH and Ksp of calcium hydroxide, the common ion effect, solubility of Group 2 sulfates, conjugate pairs and the pH of an ethanoate buffer.

Cobalt aqua ions with hydroxide, a complex with a tridentate ligand and d-orbital splitting, and a manganate(VII) titration to find a formula.

Stability constants of nickel complexes with ammonia and 1,2-diaminoethane, and the chelate effect.

Reactions of ethanedioic acid (acyl chloride formation, oxidation, acidity) and making a polyester from benzene-1,4-dicarboxylic acid.

Chlorination of benzene: the catalyst and the electrophilic substitution mechanism.

Optical isomers of serine, racemic mixtures, and proton and carbon-13 NMR of amino acids.