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.
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 covering the following in a modern, concise format:
Specification Point 2.28 - Describe the use of litmus, phenolphthalein and methyl orange to distinguish between acidic and alkaline solutions.
Specification Point 2.29 - Understand how the pH scale can be used to classify solutions as strongly acidic, weakly acidic, neutral, weakly alkaline and strongly alkaline.
Specification Point 2.30 - Describe the use of universal indicator to measure the approximate pH value of an aqueous solution.
Specification Point 2.31 - Know that acids in aqueous solution are a source of hydrogen ions and alkalis in a aqueous solution are a source of hydroxide ions.
Specification Point 2.32 - Know that alkalis can neutralise acids.
Complete set of Chapter 5 Lectures are available.
Powerpoint lecture 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 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 3.1 - Know that chemical reactions in which heat energy is given out are described as exothermic, and those in which heat energy is taken in are described as endothermic.
Specification Point 3.2 - Describe simple calorimetry experiments for reactions such as combustion, displacement, dissolving and neutralisation.
Specification Point 3.3 - Calculate the heat energy change from a measured temperature change using the expression Q = mcΔT.
Specification Point 3.4 - Calculate the molar enthalpy change (ΔH) from the heat energy change, Q.
Specification Point 3.8 - Practical: investigate temperature changes accompanying some of the following types of change: salts dissolving in water, neutralisation reactions, displacement reactions and combustion reactions.
Complete set of Chapter 6 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 1.37 - Understand how ions are formed by electron loss or gain.
Specification Point 1.38 - Know the charges of several atomic and molecular ions.
Specification Point 1.39 - Write formulae for compounds formed between the ions listed in 1.38.
Specification Point 1.40 - Draw dot-and-cross diagrams to show the formation of ionic compounds by electron transfer, limited to combinations of elements from groups 1, 2, 3, 5, 6 and 7.
Specification Point 1.41 - Understand ionic bonding in terms of electrostatic attractions.
Specification Point 1.42 - Understand why compounds with giant ionic lattices have high melting and boiling points.
Specification Point 1.43 - Know that ionic compounds do not conduct electricity when solid, but do conduct electricity when molten and in aqueous solution.
Complete set of Chapter 3 Lectures are available.
Powerpoint lecture 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 Lectures are available.
Powerpoint lecture 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 Lectures are available.
Powerpoint lecture 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 Lectures are available.
Powerpoint lecture 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 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 2.9 - Know the approximate percentages by volume of the four most abundant gases in dry air.
Specification Point 2.10 - Understand how to determine the percentage by volume of oxygen in air using experiments involving the reactions of metals and non-metals with air.
Specification Point 2.11 - Describe the combustion of elements in oxygen, including magnesium, hydrogen and sulphur.
Specification Point 2.12 - Describe the formation of carbon dioxide from the thermal decomposition of metal carbonates, including copper (II) carbonate.
Specification Point 2.13 - Know that carbon dioxide is a greenhouse gas and that increasing amounts in the atmosphere may contribute to climate change.
Specification Point 2.14 - Practical: determine the approximate percentage by volume of oxygen in air using a metal or a non-metal.
Complete set of Chapter 4 Lectures are available.
Powerpoint lecture 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 Lectures are available.
Powerpoint lecture 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 Lectures are available.
Powerpoint lecture 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 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 3.19C - Know that a reversible reaction can reach dynamic equilibrium in a sealed container.
Specification Point 3.20C - Know that at dynamic equilibrium the forward and reverse reactions occur at the same rate and the concentrations of reactants and products remain constant.
Specification Point 3.21C - Understand why a catalyst does not affect the position of equilibrium in a reversible reaction.
Specification Point 3.22C - Know the effect of changing either temperature or pressure on the position of equilibrium in a reversible reaction.
Complete set of Chapter 6 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 3.17 - Know that some reactions are reversible and this is indicated by the symbol ⇌ in equations.
Specification Point 3.18 - Describe reversible reactions such as the dehydration of hydrated copper (II) sulphate and the effect of heat on ammonium chloride.
Complete set of Chapter 6 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 3.5C - Draw and explain energy level diagrams to represent exothermic and endothermic reactions.
Specification Point 3.6C - Know that bond-breaking is an endothermic process and that bond-making is an exothermic process.
Specification Point 3.7C - Use bond energies to calculate the enthalpy change during a chemical reaction.
Complete set of Chapter 6 Lectures are available.
