Microsoft word - chem5(11-12) w cc.doc

Sing Yin Secondary School
Syllabus for Chemistry
According to the Curriculum Development Council, the broad aims of this chemistry curriculum are that students develop curiosity and interest in chemistry; acquire an appropriate body of knowledge and understanding in chemistry; acquire an ability to think rationally and critically, and to apply the knowledge of chemistry in making develop skills in scientific investigations; recognise the evolutionary and sometimes transitory nature of chemical knowledge; be acquainted with the language of chemistry and be equipped with the skills in communicating ideas in develop an appreciation of chemistry and its applications in daily life; become aware of the social, economic, environmental and technological implications of chemistry, and show concern for the environment and society; and develop open-mindedness, objectivity and proactiveness. VALUES AND ATTITUDES
The aims of the syllabus are to enable students to develop: awareness of the limitations of science; appreciation of the interrelationship or science, technology and society; appreciation of the role of scientific method in the development of new ideas; and TEXTBOOK
New 21st Century Chemistry Book 5B L.H.M. CONTENTS
[ ] for challenge class
Topic 7 Chemical Cells and Electrolysis (Part 2)
7.5 Electrolysis
y Electrolysis as the decomposition of substances by electricity as exemplified by electrolysis of (b) sodium chloride solutions of different concentrations y Preferential discharge of ions in relation to the electrochemical series, concentration of ions and nature of y Industrial applications of electrolysis: 7.4 Importance of redox reactions in modern ways of living
y Development of new technology applying concepts related to redox reactions as exemplified by fuel cell technology and rechargeable lithium cells Topic 6 Microscopic World II
6.1 Bond polarity
y Unequal sharing of electrons in covalent bonds y [Properties of compounds with intermediate bonding] 6.2 Intermolecular forces
y Van der Waals’ forces in non-polar and polar covalent substances y Hydrogen bonding as exemplified by HF, H2O and NH3 y Effect of hydrogen bonding on properties of substances 6.3 Structures and properties of molecular crystals
Properties of ice and fullerenes in terms of their structures and bonding 6.4 Simple molecular substances with non-octet structures
Covalent molecules with non-octet structures Electron diagrams of some non-octet molecules such as BF3, PCl5 and SF6 6.5 Shapes of simple molecules
Three-dimensional diagrams to represent shapes of the following molecules: CH4, NH3, H2O, BF3, PCl5 Compounds
7.1 Hydrocarbons from fossil fuels
Coal, petroleum and natural gas as sources of fossil fuels and carbon compounds Composition of petroleum and its separation Gradation in properties of the various fractions of petroleum Heat change during combustion of hydrocarbons Major uses of distilled fractions of petroleum 7.2 Homologous series, structural formulae and naming of carbon compounds
Homologous series as illustrated by alkanes, alkenes, alkanols and alkanoic acids Structural formulae and systematic naming of alkanes, alkenes, alkanols and alkanoic acids 7.3 Alkanes and alkenes
[Hydrogenation of unsaturated fats and trans- fats] 7.4 Addition polymers
Plastics as important materials in the modern world Structure, properties and uses of addition polymers as illustrated by polyethene, polypropene, polyvinyl Environmental issues related to the use of plastics Chemistry
8.1 Introduction to selected homologous series
Structural formulae and systematic naming 8.2 Isomerism
Geometrical isomerism as exemplified by acyclic carbon compounds containing one C=C bond Enantiomerism as exemplified by compounds containing one chiral carbon 8.3 Typical reactions of various functional groups
8.4 Inter-conversions of carbon compounds
y Inter-conversions between the functional groups y Laboratory preparations of simple carbon compounds 8.5 Important organic substances
y Structure and medical applications of acetylsalicylic acid (aspirin) y Structures and properties of soaps and soapless detergents y Structures and uses of nylon and polyesters y Carbon compounds found in living things: carbohydrates, lipids and proteins Topic 9 Chemical reactions and energy
9.1 Energy changes in chemical reactions
y Endothermic and exothermic reactions and their relationship to the breaking and forming of bonds 9.2 Standard enthalpy change of neutralisation, solution, formation and combustion
Enthalpy change of reaction and standard conditions, with particular reference to neutralisation, solution, Experimental determination of enthalpy changes using simple calorimetric method Calculate enthalpy changes from experimental results 9.3 Hess’s law
y Use of Hess’s law to determine enthalpy changes which cannot be easily determined by experiment y Calculations involving enthalpy changes of reactions Topic 10 Rate of Reaction
10.1 Rate of chemical reaction
y Methods of following the progress of a chemical reaction 10.2 Factors affecting rate of reaction
10.3 Molar volume of gases at room temperature and pressure (r.t.p.)
y Calculations involving molar volume of gases Topic 11 Chemical Equilibrium
11.1 Dynamic equilibrium
y Characteristics of dynamic equilibrium 11.2 Equilibrium constant
y Equilibrium constant expressed in terms of concentrations (Kc) 11.3 The effect of changes in concentration and temperature on chemical equilibria
y A change in temperature results in possible changes in Kc of the system y Changes in concentration result in the adjustment of the system without changing the value of Kc y [Equilibrium constant expressed in terms of pressures (Kp) and solubility products (Ksp)] Investigative Study (Part 2)
y Search for and defineing questions for investigation y Organise and analyse data for a justified conclusion Total time allocation: 26 cycles
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