Chemistry 8CH0/02 May June 2023
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1. Collision Theory and Temperature Effects – Explaining how increasing temperature affects the Maxwell-Boltzmann energy distribution and reaction rate.
2. Radical Substitution in Alkanes – Writing propagation and termination steps for the free radical substitution reaction of methane with chlorine.
3. Combustion Reactions and Gas Calculations – Using the ideal gas equation to determine the volume of carbon dioxide produced from the complete combustion of diesel fuel.
4. Hydrolysis of Halogenoalkanes – Comparing reaction rates of different halogenoalkanes using silver nitrate precipitation tests.
5. Oxidation of Alcohols – Designing an experiment to oxidize butan-1-ol to butanoic acid using acidified potassium dichromate(VI).
6. Hess’s Law and Enthalpy Calculations – Constructing an enthalpy cycle to calculate the enthalpy change of formation of gaseous water from experimental data.
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