1. Complete and incomplete combustion of alkanes – Balancing combustion equations and identifying pollutants from incomplete combustion. 2. Group 2 element reactivity trends – Explaining why reactivity increases down Group 2 based on atomic structure and ionization energy. 3. Synthesis of cyclic hydrocarbons – Writing equations for reforming reactions of alkanes to produce cyclic hydrocarbons. 4. Identification of transition metal oxidation states – Determining the oxidation state changes in redox reactions involving zinc and dichromate ions. 5. Chromatographic separation of amino acids – Analyzing the behavior of amino acids in two-dimensional chromatography and identifying detection reagents. 6. Arrhenius equation and reaction kinetics – Applying logarithmic transformations to determine activation energy and explaining the impact of catalysts on reaction rates.