Group A Developing Fuels
Date	Period/Lab
Fri 17^th Oct	1 2+3	9	Story DF1 petrol is popular. Set Act DF1.1 Which fuel for the future? EXP DF 1.2 Measuring the enthalpy change of combustion of different fuels.
Calculate enthalpy changes from experimental results Interpret the pattern of enthalpy changes of combustion for successive members of an homologous series
B Tues 21^st Oct	3	2	EL End of Topic Test
Thurs 23^rd Oct	4	2	Ideas 4.1 Energy out, energy in.
Explain and use the terms: exothermic, endothermic, standard state, enthalpy change of combustion, enthalpy change of reaction, enthalpy change of formation Use the concept of amount of substance to perform calculations involving enthalpy changes Use Hess’s Law and enthalpy cycles to calculate enthalpy changes
Fri 24^th Oct	1 2+3	2	Ideas 1.3 Using equations to work out reacting masses. Exp DF 1.3 Comparing the enthalpy changes of combustion of different alcohols. DF Test 1
Use the concept of amount of substance to perform calculations involving balanced chemical equations
A Thurs 6^th Nov	4+5	9	Story DF2 Getting energy from fuels. Ideas 4.2 Where does the energy come from?
Explain and use the term bond enthalpy. Relate bond enthalpy to the length and strength of a bond Recall that bond-breaking is an endothermic process and bond-making is exothermic
Fri 7^th Nov	1 2+3	9	Act DF2.1 Using spread sheets to calculate enthalpy changes of combustion. (IT) Act DF 2.2 Making notes. DF Test 2
Calculate enthalpy changes from experimental results Interpret the pattern of enthalpy changes of combustion for successive members of an homologous series
B Tues 11^th Nov	3	2	Go over the EL test
Thurs 13^th Nov	4	2	Ideas 12.1 Alkanes Act DF 3.1 How do physical properties change along the alkane series. Story DF3 Exp DF3.2 Comparing summer and winter blends of petrol.
Recognise members of these homologous series: alkanes, cycloalkanes, alkenes, and arenes. Explain and use the terms aliphatic and aromatic. Draw and interpret structural formulae (full, shortened and skeletal). Relate molecular shape to structural formulae and be familiar with the use of models to represent to represent molecular shape.
Fri 14^th Nov	1 2+3	2	Story DF4 Making petrol – getting the right octane number. Exp DF3.3 Auto-ignition in a test tube Ideas 3.4 Structural isomerism Act DF4.1 Modelling and naming alkanes. Act DF4.2 The octane numbers of different alkanes.
Use systematic nomenclature to name alkanes and alcohols Explain and use the term isomerism. Recognise structural isomers Describe the effect of chain length and chain branching on knocking in a car engine. Explain what is meant by the octane rating of a fuel and describe how it may be increased.
A Thurs 20^th Nov	4+5	9	Ideas 13.2 Alcohols and ethers. Act DF4.5 A closer look at alcohols. DF Test 3
Recognise members of these homologous series: alcohols and ethers
Fri 21^st Nov	1 2+3	9	Exp DF4.4 Cracking alkanes. Act DF4.3 Using zeolites. Ideas 10.1 What is a catalyst? Ideas 4.3 Entropy and the change of direction. Act DF 4.7 Why do hydrocarbons mix? Act DF4.6 Blend your own. DF4.8 Petrol – pulling it all together.
Explain and use the terms catalysis, catalyst, catalyst poison. Outline a simple model to explain the function of a heterogeneous catalyst Discuss entropy in a qualitative manner interpreting it as a measure of the number of ways that molecules can be arranged. Show awareness of the differences in magnitude of the entropy of a solid, a liquid, a solution and a gas. Show awareness of the use of catalysts in isomerisation, cracking and reforming processes.
B Tues 25^th Nov	3	2	Story DF5 Trouble with emissions. Act DF5 What happens to the sulphur?
Show awareness of the environmental implications of pollutants from car exhausts: unburnt hydrocarbons, CO, CO2 NOx and SOx Explain the formation of NO in an internal combustion engine Show awareness of the use of catalysts in the control of exhaust emissions
Thurs 26^th Nov	4	2	Story DF6 Tackling the emissions problem. Ideas 1.4 Calculations involving gases.
Use the concept of amount of substance to perform calculations involving volumes of gases
Fri 28^th Nov	1 2+3	2	Story FR7 Changing the fuel. Story DF8 Hydrogen – a fuel for the future? DF1.1 Reports presented here. Story DF9 Summary. Act DF9 Check your notes on DF. DF test 4
Discuss the desirable properties of a fuel Show awareness of the work of chemists in improving fuels and in searching for and developing fuels for the future: use of oxygenates, the hydrogen economy