Chemistry 9701/12 May June 2016 | Cambridge AS Level Past Papers With Mark Scheme

1. Boltzmann distribution of molecular energies, activation energy changes with temperature, reaction kinetics.
2. Ionization energies of elements, electronic configurations, periodic trends in atomic and ionic properties.
3. Combustion reaction enthalpy calculations, thermodynamic data interpretation, energy release quantification.
4. Halogens and their oxides, oxidation states, chemical reactivity in disinfectant applications, redox reactions.
5. Catalysis in combustion engines, nitrogen oxides, unburnt hydrocarbons, catalytic reduction and oxidation processes.
6. Free radical substitution mechanisms, initiation, propagation, termination steps, chlorofluorocarbon chemistry.