T. W. G. Hs Chen Zao Men College NSS3 Combined Science (Chemistry )Syllabus and teaching Schedule (11-12) 1. Aim : To prepare the students to sit for the HKDSE in year 2012 Revision on laboratory safety S6 (40 periods) 1 period Topic 6 Fossil Fuels and Carbon Compounds (Units 25 – 28) 38 periods Topic 7 Chemical Reactions and Energy 11 periods Textbook : 21st Century Combined science (Chemistry) By L.H.M. Chung Publisher :Jing Kung Book 3A and 3B Teaching Schedule Date Topics No. of Activities periods 1 25.1 A look at molecules of compounds in petroleum 25.2 Chemistry of carbon compounds 25.3 Representing molecular structures of carbon Showing Molecular model compounds This 1 topics were taught 2 25.4 Molecular models 25.5 Functional groups 25.6 Homologous series 25.7 The alkanes 25.8 Naming straight-chain and branched-chain alkanes compounds: 25.9 Naming alkenes tutorials and exercises on the nomenclature of carbon http://cd1.edb.hkedcity.net/cd/science/chemistry/resour ce/naming/t4_main.htm during summer 1 vacation 25.10 Naming alkanols 25.11 Naming alkanoic acids 26.1 1 2 Risks and benefits of using fossil fuels to the society and environment 26.2 Saturated and unsaturated hydrocarbons 26.3 Physical properties of alkanes 26.4 Chemical properties of alkanes Reaction of alkane and bromine Reaction of alkene and bromine water 26.5 1 Meeting the demand for the petrol fraction from fractional distillation of petroleum 26.6 Cracking of fractions of petroleum 26.7 Importance of cracking 5Nss10-11combine.com 1 Cracking of medicinal paraffin and testing the products 2 26.8 Alkenes 26.9 Physical properties of alkenes Video 26.10 Important reactions of alkenes 26.11 Wind power — An alternative source of energy 1 This topics 4 were 1 taught during 1 summer vacation 1 2 5/9/20119/9/2011 Alcohols in our lives 27.2 Alkanols 27.3 Uses of alkanols 27.4 Physical properties of alkanols 27.5 Chemical properties of alkanols 27.6 Esters 28.1 Plastic items in modern homes 28.2 Why are plastics so useful? 28.3 The rise of the modern plastics industry 28.4 Thermoplastics and thermosetting plastics 28.5 What is a polymer? 28.6 Polymerization of ethene 28.7 Addition polymerization 28.8 Some common addition polymers 28.9 Uses of some common addition polymers Oxidizing alcohols Formation of ester Revision and test 1 9/9/2011 \ 27.1 Wind power station in Hong Kong 28.10 Condensation reaction and condensation polymerization 28.11 Poly(ethylene terephthalate) (PET) 2 Preparing nylon 28.12 Nylons 28.13 Urea-methanal 23/9/2011 28.14 Relating the structures of plastics to their thermal Animation injection moulding: properties http://www.bpf.co.uk/Data/Image/InjectionMouldin gAnimation.swf 1 animation showing the extrusion blow moulding: http://www.bpf.co.uk/Data/Image/Extrusion%20Bl ow%20Moulding.swf 28.15 Economic importance of plastics 26/9/2011 28.16 Environmental issues associated with the use of \ 2 30/9/2011 plastics 28.17 Common methods for treating plastic waste 5Nss10-11combine.com 2 28.18 Other possible solutions to plastic waste disposal problems 3/10/2011 1 \ 21/10/2011 1 28.19 The use of plastics for packaging: any STSE Connections — Biodegradable plastics disadvantages? Book 3B Activity 29.1 — Finding pairs of chemicals that 29.1 Heat-packs and cold-packs may be used to make heat-packs and 29.2 What is energy? cold-packs 29.3 Specific heat capacity 29.4 The system and the surroundings 29.5 Internal energy of a system 29.6 Comparing the enthalpy change (ΔH) and internal energy change (ΔE) of a system during a reaction 1 29.7 Enthalpy change of an exothermic reaction 29.8 Enthalpy change of an endothermic reaction 29.9 Enthalpy changes during physical and chemical changes 1 29.10 Thermochemical equations Animation: Energy changes associated with 29.11 Explaining energy changes — breakage and breaking and forming of chemical bonds formation of chemical bonds 29.12 Standard conditions for measuring enthalpy changes 29.13 Standard enthalpy change of reaction 29.14 Standard enthalpy change of formation 1 Animations showing the heat changes when 29.15 Standard enthalpy change of combustion different compounds are added to water: 29.16 Standard enthalpy change of neutralization http://mutuslab.cs.uwindsor.ca/schurko/ 29.17 Standard enthalpy change of solution animations/heatofsolution/heat_soln.ht http://www.chem.iastate.edu/group/ Greenbowe/sections/projectfolder/flashfiles/therm ochem/heat_soln.html 29.18 Determining enthalpy changes of neutralization Video : Determining the enthalpy change of neutralization of the reaction between hydrochloric acid and sodium hydroxide solution 1 5Nss10-11combine.com 3 24/10/2011 1 \ 18/11/2011 2 29.19 Determining enthalpy changes of combustion Expt:Determining the enthalpy changes of 29.20 An improved apparatus: the flame calorimeter combustion of some alcohols 30.1 Hess’s Law Determining the enthalpy change of thermal 30.2 Enthalpy level diagram and enthalpy change cycle decomposition of potassium hydrogencarbonate 30.3 Using Hess’s Law to determine enthalpy changes that cannot be easily obtained by experiment 30.4 2 Determining the enthalpy change of formation magnesium carbonate from enthalpy changes of of magnesium oxide other reactions 30.5 21/11/2011 Determining the enthalpy change of formation of \ Determining the standard enthalpy change of STSE Connections — Ethanol as fuel — Brazil formation of a compound from standard enthalpy Experience changes of combustion 30/11/2011 1 30.6 Determining the standard enthalpy change of a reaction from standard enthalpy changes of formation 6/12/2011 Revision and Test \ 5Nss10-11combine.com 4