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We understand the importance of education. We offer tailored private tuition designed to maximise success at GCSE, A Level and beyond. Our tutors are experienced professionals, teachers and top-tier graduates with extensive knowledge in their subjects.
On Tes we offer high quality board-specific resources. Please check back regularly as we are continually updating our stock.
Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 4.48C - Know that condensation polymerisation, in which a dicarboxylic acid reacts with a diol, produces a polyester and water.
Specification Point 4.49C - Understand how to write the structural and displayed formula of a polyester, showing the repeat unit, given the formulae of the monomers from which it is formed including the reaction of ethanedioic acid and ethanediol.
Specification Point 4.50C - Know that some polyesters, known as biopolyesters, are biodegradable.
Complete set of Chapter 7 Lessons are available.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 38 - Condensation Polymers. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 4.48C - Know that condensation polymerisation, in which a dicarboxylic acid reacts with a diol, produces a polyester and water.
Specification Point 4.49C - Understand how to write the structural and displayed formula of a polyester, showing the repeat unit, given the formulae of the monomers from which it is formed including the reaction of ethanedioic acid and ethanediol.
Specification Point 4.50C - Know that some polyesters, known as biopolyesters, are biodegradable.
Complete set of Chapter 7 Worksheets are available.
Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 4.44 - Know that an addition polymer is formed by joining up many small molecules called monomers.
Specification Point 4.45 - Understand how to draw the repeat unit of an addition polymer, including polyethene, polypropene, polychloroethene and polytetrafluoroethene.
Specification Point 4.46 - Understand how to deduce the structure of a monomer from the repeat unit of an addition polymer and vice versa.
Specification Point 4.47 - Explain problems in the disposal of addition polymers.
Complete set of Chapter 7 Lessons are available.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 37 - Addition Polymers. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 4.44 - Know that an addition polymer is formed by joining up many small molecules called monomers.
Specification Point 4.45 - Understand how to draw the repeat unit of an addition polymer, including polyethene, polypropene, polychloroethene and polytetrafluoroethene.
Specification Point 4.46 - Understand how to deduce the structure of a monomer from the repeat unit of an addition polymer and vice versa.
Specification Point 4.47 - Explain problems in the disposal of addition polymers.
Complete set of Chapter 7 Worksheets are available.
Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 4.38C - Know that esters contain the functional group -COO-.
Specification Point 4.39C - Know that ethyl ethanoate is the ester produced when ethanol and ethanoic acid react in the presence of an acid catalyst.
Specification Point 4.40C - Understand how to write the structural and displayed formulae of ethyl ethanoate.
Specification Point 4.41C - Understand how to write the structural and displayed formulae of an ester, given the name or formula of the alcohol and carboxylic acid from which it is formed and vice versa.
Specification Point 4.42C - Know that esters are volatile compounds with distinctive smells and are used as food flavourings and in perfumes.
Specification Point 4.43C - Practical: prepare a sample of an ester such as ethyl ethanoate.
Complete set of Chapter 7 Lessons are available.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 36 - Esters. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 4.38C - Know that esters contain the functional group -COO-.
Specification Point 4.39C - Know that ethyl ethanoate is the ester produced when ethanol and ethanoic acid react in the presence of an acid catalyst.
Specification Point 4.40C - Understand how to write the structural and displayed formulae of ethyl ethanoate.
Specification Point 4.41C - Understand how to write the structural and displayed formulae of an ester, given the name or formula of the alcohol and carboxylic acid from which it is formed and vice versa.
Specification Point 4.42C - Know that esters are volatile compounds with distinctive smells and are used as food flavourings and in perfumes.
Specification Point 4.43C - Practical: prepare a sample of an ester such as ethyl ethanoate.
Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 4.29C - Know that alcohols contain the functional group −OH.
Specification Point 4.30C - Understand how to draw structural and displayed formulae for methanol, ethanol, propanol and butanol and name each compound.
Specification Point 4.31C - Know that how ethanol can be oxidised.
Specification Point 4.32C - Know how ethanol can be manufactured.
Specification Point 4.33C - Understand the reasons for fermentation, in the absence of air, and at an optimum temperature.
Specification Point 4.34C - Know that carboxylic acids contain the functional group -COOH.
Specification Point 4.35C - Understand how to draw structural and displayed formulae for unbranched-chain carboxylic acids with up to four carbon atoms in the molecule, and name each compound.
Specification Point 4.36C - Describe the reactions of aqueous solutions of carboxylic acids with metals and metal carbonates.
Specification Point 4.37C - Know that vinegar is an aqueous solution containing ethanoic acid.
Complete set of Chapter 7 Lessons are available.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 35 - Organic Compounds Part 2. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 4.29C - Know that alcohols contain the functional group −OH.
Specification Point 4.30C - Understand how to draw structural and displayed formulae for methanol, ethanol, propanol and butanol and name each compound.
Specification Point 4.31C - Know that how ethanol can be oxidised.
Specification Point 4.32C - Know how ethanol can be manufactured.
Specification Point 4.33C - Understand the reasons for fermentation, in the absence of air, and at an optimum temperature.
Specification Point 4.34C - Know that carboxylic acids contain the functional group -COOH.
Specification Point 4.35C - Understand how to draw structural and displayed formulae for unbranched-chain carboxylic acids with up to four carbon atoms in the molecule, and name each compound.
Specification Point 4.36C - Describe the reactions of aqueous solutions of carboxylic acids with metals and metal carbonates.
Specification Point 4.37C - Know that vinegar is an aqueous solution containing ethanoic acid.
Complete set of Chapter 7 Worksheets are available.
Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 4.19 - Know the general formula for alkanes.
Specification Point 4.20 - Explain why alkanes are classified as saturated hydrocarbons.
Specification Point 4.21 - Understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers.
Specification Point 4.22 - Describe the reactions of alkanes with halogens in the presence of ultraviolet radiation, limited to mono-substitution.
Specification Point 4.23 - Know that alkenes contain a particular functional group (C=C).
Specification Point 4.24 - Know the general formula for alkenes.
Specification Point 4.25 - Explain why alkenes are classified as unsaturated hydrocarbons.
Specification Point 4.26 - Understand how to draw the structural and displayed formulae for alkenes with up to four carbon atoms in the molecule, and name the unbranched-chain isomers.
Specification Point 4.27 -Describe the reactions of alkenes with bromine to produce dibromoalkanes.
Specification Point 4.28 - Describe how bromine water can be used to distinguish between an alkane and an alkene.
Complete set of Chapter 7 Lessons are available.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 34 - Alkanes and Alkenes. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 4.19 - Know the general formula for alkanes.
Specification Point 4.20 - Explain why alkanes are classified as saturated hydrocarbons.
Specification Point 4.21 - Understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers.
Specification Point 4.22 - Describe the reactions of alkanes with halogens in the presence of ultraviolet radiation, limited to mono-substitution.
Specification Point 4.23 - Know that alkenes contain a particular functional group (C=C).
Specification Point 4.24 - Know the general formula for alkenes.
Specification Point 4.25 - Explain why alkenes are classified as unsaturated hydrocarbons.
Specification Point 4.26 - Understand how to draw the structural and displayed formulae for alkenes with up to four carbon atoms in the molecule, and name the unbranched-chain isomers.
Specification Point 4.27 -Describe the reactions of alkenes with bromine to produce dibromoalkanes.
Specification Point 4.28 - Describe how bromine water can be used to distinguish between an alkane and an alkene.
Complete set of Chapter 7 Worksheets are available.
Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 4.11 - Know that a fuel is a substance that, when burned, releases heat energy.
Specification Point 4.12 - Know the possible products of complete and incomplete combustion of hydrocarbons with oxygen in the air.
Specification Point 4.13 - Understand why carbon monoxide is poisonous, in terms of its effect on the capacity of blood to transport oxygen.
Specification Point 4.14 - Know that, in car engines, the temperature reached is high enough to allow nitrogen and oxygen from air to react, forming oxides of nitrogen.
Specification Point 4.14 - Know that, in car engines, the temperature reached is high enough to allow nitrogen and oxygen from air to react, forming oxides of nitrogen.
Specification Point 4.15 - Explain how the combustion of some impurities in hydrocarbon fuels results in the formation of sulphur dioxide.
Specification Point 4.16 - Understand how sulphur dioxide and oxides of nitrogen contribute to acid rain.
Specification Point 4.17 - Describe how long-chain alkanes are converted to alkenes and shorter-chain alkanes by catalytic cracking.
Specification Point 4.18 - Explain why cracking is necessary, in terms of the balance between supply and demand for different fractions.
Complete set of Chapter 7 Lessons are available.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 33 - Burning Hydrocarbons. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 4.11 - Know that a fuel is a substance that, when burned, releases heat energy.
Specification Point 4.12 - Know the possible products of complete and incomplete combustion of hydrocarbons with oxygen in the air.
Specification Point 4.13 - Understand why carbon monoxide is poisonous, in terms of its effect on the capacity of blood to transport oxygen.
Specification Point 4.14 - Know that, in car engines, the temperature reached is high enough to allow nitrogen and oxygen from air to react, forming oxides of nitrogen.
Specification Point 4.14 - Know that, in car engines, the temperature reached is high enough to allow nitrogen and oxygen from air to react, forming oxides of nitrogen.
Specification Point 4.15 - Explain how the combustion of some impurities in hydrocarbon fuels results in the formation of sulphur dioxide.
Specification Point 4.16 - Understand how sulphur dioxide and oxides of nitrogen contribute to acid rain.
Specification Point 4.17 - Describe how long-chain alkanes are converted to alkenes and shorter-chain alkanes by catalytic cracking.
Specification Point 4.18 - Explain why cracking is necessary, in terms of the balance between supply and demand for different fractions.
Complete set of Chapter 7 Worksheets are available.
Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 4.7 - Know that crude oil is a mixture of hydrocarbons.
Specification Point 4.8 - Describe how the industrial process of fractional distillation separates crude oil into fractions.
Specification Point 4.9 - Know the names and uses of the main fractions obtained from crude oil.
Specification Point 4.10 - Know the trend in colour, boiling point and viscosity of the main fractions.
Complete set of Chapter 7 Lessons are available.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 32 - Crude Oil. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 4.7 - Know that crude oil is a mixture of hydrocarbons.
Specification Point 4.8 - Describe how the industrial process of fractional distillation separates crude oil into fractions.
Specification Point 4.9 - Know the names and uses of the main fractions obtained from crude oil.
Specification Point 4.10 - Know the trend in colour, boiling point and viscosity of the main fractions.
Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:
Specification Point 4.1 - Know that a hydrocarbon is a compound of hydrogen and carbon only.
Specification Point 4.2 - Understand how to represent organic molecules using empirical formulae, molecular formulae, general formulae, structural formulae and displayed formulae.
Specification Point 4.3 - Know what is meant by the terms homologous series, functional group and isomerism.
Specification Point 4.4 - Understand how to name compounds relevant to this specification using the rules of IUPAC nomenclature.
Specification Point 4.5 - Understand how to write the possible structural and displayed formulae of an organic molecule given its molecular formula.
Specification Point 4.6 - Understand how to classify reactions of organic compounds as substitution, addition and combustion.
Complete set of Chapter 7 Lessons are available.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 31 - Organic Compounds. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 4.1 - Know that a hydrocarbon is a compound of hydrogen and carbon only.
Specification Point 4.2 - Understand how to represent organic molecules using empirical formulae, molecular formulae, general formulae, structural formulae and displayed formulae.
Specification Point 4.3 - Know what is meant by the terms homologous series, functional group and isomerism.
Specification Point 4.4 - Understand how to name compounds relevant to this specification using the rules of IUPAC nomenclature.
Specification Point 4.5 - Understand how to write the possible structural and displayed formulae of an organic molecule given its molecular formula.
Specification Point 4.6 - Understand how to classify reactions of organic compounds as substitution, addition and combustion.
Complete set of Chapter 7 Worksheets are available.
