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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.
Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 30 - Dynamic Equilibria. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
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 Worksheets 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 4.38C - 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 covering the following in a modern, concise format:
Specification Point 2.33C - Describe how to carry out an acid-alkali titration.
Complete set of Chapter 5 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 1.52C - Know how to represent a metallic lattice by a 2-D diagram.
Specification Point 1.53C - Understand metallic bonding in terms of electrostatic attractions.
Specification Point 1.54C - Explain typical physical properties of metals, including electrical conductivity and malleability.
Complete set of Chapter 3 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 2.1 - Understand how the similarities in the reactions of the group 1 elements with water provide evidence for their recognition as a family of elements.
Specification Point 2.2 - Understand how the differences between the reactions of the alkali metals with air and water provide evidence for the trend in reactivity in group 1.
Specification Point 2.3 - Use knowledge of trends in group 1 to predict the properties of other alkali metals.
Specification Point 2.4C - Explain the trend in reactivity in group 1 in terms of electronic configurations.
Complete set of Chapter 4 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 1.11 - Understand how a chromatogram provides information about the composition of a mixture.
Specification Point 1.12 - Understand how to use the calculation of Rf values to identify the components of a mixture.
Specification Point 1.13 - Practical: understand how a chromatogram provides information about the composition of a mixture.
Complete set of Chapter 1 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 1.34C - Understand how to carry out calculations involving amount of substance, volume and concentration of solution.
Specification Point 1.35C - Understand how to carry out calculations involving gas volumes and the molar volume of a gas.
Complete set of Chapter 2 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 1.25 - Understand how to write word equations and balanced chemical equations (including state symbols).
Specification Point 1.26 - Calculate relative formula masses (including relative molecular masses) from relative atomic masses.
Specification Point 1.27 - Know that the mole is the unit for the amount of a substance.
Specification Point 1.28 - Understand how to carry out calculations involving amount of substance, relative atomic mass and relative formula mass.
Complete set of Chapter 2 Lectures are available.
Powerpoint lecture covering the following in a modern, concise format:
Specification Point 2.34 - Know the general rules for predicting the solubility of ionic compounds in water.
Specification Point 2.35 - Understand acids and bases in terms of proton transfer.
Specification Point 2.36 - Understand that an acid is a proton donor and a base is a proton acceptor.
Specification Point 2.37 - Describe the reactions of hydrochloric acid, sulfuric acid and nitric acid with metals, bases and metal carbonates to form salts.
Specification Point 2.38 - Know that metal oxides, metal hydroxides and ammonia can act as bases, and that alkalis are bases that are soluble in water.
Specification Point 2.39 - Describe an experiment to prepare a pure, dry sample of a soluble salt, starting from an insoluble reactant.
Specification Point 2.42 - Practical: prepare a sample of pure, dry hydrated copper (II) sulphate crystals starting from copper (II) oxide.
Complete set of Chapter 5 Lectures are available.
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 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.
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 2.5 - Know the colours, physical states (at room temperature) and trends in physical properties of chlorine, bromine and iodine.
Specification Point 2.6 - Use knowledge of trends in group 7 to predict the properties of other halogens.
Specification Point 2.7 - Understand how displacement reactions involving halogens and halides provide evidence for the trend in reactivity in group 7.
Specification Point 2.8C - Explain the trend in reactivity in group 7 in terms of electronic configurations.
Complete set of Chapter 4 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.
