1. Relative atomic mass calculation – Determining the relative atomic mass of neon using isotopic abundances and mass values. 2. Thermal stability of barium carbonate – Calculating entropy and temperature conditions required for barium carbonate decomposition. 3. Reaction mechanisms of carbonyl compounds – Drawing mechanisms for key organic reactions, including nucleophilic addition of HCN to propanone. 4. NMR spectroscopy analysis of esters – Interpreting proton NMR spectra to deduce ester structures and linking peak patterns to molecular structure. 5. Acid-base titration for Ka determination – Designing an experiment to determine the acid dissociation constant of ethanoic acid using pH measurements. 6. Identification of unknown salts – Conducting flame tests and precipitation reactions to deduce cations and anions in unknown compounds.