In this lesson we will discuss some basic content surrounding diffusion. We will explore how diffusion differs in liquids and gases, as well as how molecular mass affects the rate of diffusion.

In this lesson I will discuss the difference between elements, compounds and mixtures. I will also explore key terms, such as solvent, solute and solution.

In this lesson I will explain various separation techniques including filtration, simple distillation, and fractional distillation. We will discuss how these techniques are similar as well as what makes them unique.

Here I will discuss chromatography and how to successfully interpret a chromatogram. I will explain why chromatography is useful and outline how to correctly perform chromatography under practical conditions.

In this lesson I will define key terms such as atomic number, atomic mass number and isotope. I will explain how the number of protons, neutrons and electrons are calculated based on the information provided in the periodic table and in doing so explain the term ion.

Here I will define relative atomic mass as well as clearly show how relative atomic mass is calculated. I will provide walked-through examples of common exam style questions as well as dispel some common misconceptions.

In this lesson I will explain how to correctly interpret the periodic table. I will discuss the information provided by group and period numbers, as well as explain how to differentiate between metals and non-metals.

In this lesson I will explain how to deduce the electronic configuration of atoms on the periodic table. I will go on to explain the relationship between an atoms electronic configuration and its reactivity.

In this lesson I will introduce the topic of moles. I will define the Avogadro’s constant and discuss how to use this constant in simple calculations. I will go on to explain how molecular mass is calculated and how this is used in conjunction with moles.

In this lesson we will delve deeper into the topic of moles and examine the molar ratio. I will explain how we can use the molar ratio to calculate product yield from the amount of a given reactant.

In this lesson I will discuss how to calculate percentage yield. I will also go on to discuss the terms ‘actual yield’ and ‘theoretical yield’ and how they differ.

In this lesson I will define the terms ‘molecular formula’ and ‘empirical formula’. I will go on to explain how each can be efficiently calculated. I will model exam style questions, pointing out common misconceptions.

In this lesson we will explore the relationship between moles, concentration and volume of a solution. I will explain how to calculate the concentration of unknown solutions, as well as explain how to convert between essential units. I will model various exam style questions throughout.

In this lesson I will explore titrations and how one can complete the associated relevant calculations. We will consider molar concentration, indicators. and the molar ratio.

In this lesson I will explain how to calculate the volume of a gas, relative to it’s quantity in moles. I will model exam style questions throughout and explain how to complete common unit conversions.

In this lesson I will explore how to deduce which ions are formed from atoms, relative to their group number. We will also explore common ions and how this relates to the formation of common compounds.

In this lesson I will discuss how ionic compounds are formed, with reference to electron transfer. I will also discuss how to draw dot and cross diagrams.

In this lesson I will discuss why ionic compounds possess high melting and boiling points. I will discuss how and when ionic compounds conduct electricity as well as how giant ionic lattices are formed.

In this lesson I will explain how covalent structures are formed. I will discuss how the covalent bond in defined and how intermolecular forces arise in simple molecular structures.

In this lesson I will explain how to draw covalent dot and cross diagrams. I will highlight the common covalent dot and cross diagrams and explain how double and triple bonds are formed.

Here I will discuss diamond and graphite. I go on to explain why these structures possess their relevant properties and how they are used in industry.

In this lesson I will discuss the properties of metallic structures, discussing delocalised electrons and the physical properties of metals.

In this lesson I will explain the relevance of the pH scale, as well as go on to discuss the use of common indictors, including phenolphthalein and methyl orange.

In this lesson I will discuss how the combination of an acid and an alkali leads to neutralisation. I will show how to write chemical equations for common neutralisation reactions as well as explain why some solutions are inherently basic whilst other as acidic.

In this lesson I will explain the patter of reactivity as one moves down group one. I go on to discuss the chemical equations associated with the reactions between the alkali earth metals and water as well as relative observations.

In this lesson I will explain the pattern of reactivity across group seven. I go on to discuss the chemical equations associated with displacement reactions across the halogens as well as the observations of said reactions.

In this lesson I will define solubility. I will go on to discuss which compounds are generally soluble and which are generally insoluble, as well as those which are exceptions to the rule.

In this lesson I will discuss how a soluble salt can be formed by reacting an insoluble base with an acid. I will explore common examples, such as the formation of cooper II sulfate from copper II oxide and address common associated misconceptions.

In this lesson I will discuss how an insoluble salt can be formed by adding two soluble salts to water. I will explore common examples, such as the formation of lead II sulfate from combining lead nitrate and potassium sulfate, as well as address common misconceptions.

In this lesson I will discuss which laboratory tests are completed to identify common gases including hydrogen, oxygen and carbon dioxide to name a few.

In this lesson I discuss how to test for common metal ions using sodium hydroxide solution. I will also go on to discuss how the bunsen can be used to identify alternative metal cations.

In this lesson I will discuss the tests necessary to identity common anions including carbonate, halide and sulfate ions. I will discuss test results as well as all associated chemical equations.

In this lesson I will discuss the fundamental principles of electrolysis. I will go on to explain how the electrolysis of liquid ionic compounds is completed. In doing so, I will show how associated ionic half equations are written.

In this lesson I will explain how the electrolysis of aqueous ionic solutions occurs successfully. I will go on to discuss the relevance of the relativity series and how this allows one to determine which metals and or gases are formed at their relative electrodes.

In this lesson I will explain what makes a chemical reaction inherently endothermic or exothermic. I will explain these terms with reference to enthalpy and how this is represented graphically in energy level diagrams.

In this lesson I will explain how to to calculate bond energy and determine overall enthalpy change.

In this lesson I will review the most common experimental procedures used to determine the rate of a given reaction. I will go on to explain which variables can be manipulated to alter the rate of reaction.

In this lesson I will explain reaction rate with respect to collision theory. I will go on to discuss how adjusting pressure, temperature, concentration and surface area affect the rate of a reaction according to the collision model.

In this lesson I will explain the nature of reversible reaction and how this relates to dynamic equilibrium. I will go on to discuss the conditions requires to achieve dynamic equilibrium, as well introduce Le Chatelier’s Principle.

In this lesson I will define key terms such as general, structural and molecular formula when discussing organic compounds. I will go on to define other key terms such as homologous series and functional group.

In this lesson I introduce the common alkanes and their associated haloalkanes. Throughout the lesson I will define key terms such as saturated and highlight the parameters for substitution reactions.

In this lesson I review the common alkenes as well as define key terms such as unsaturated. I will explain how bromine water can be used to effectively differentiate between an alkane and an alkene.

In this lesson I will explain clearly how to name various organic molecules, including straight and bent chain alkanes and alkenes, as well as haloalkanes.

In this lesson I will explain how fractional distillation is used to successfully separate the various fractions of crude oil. I will discuss the uses of each separated fraction and define additional key terms such as volatility and viscosity.

In this lesson I will define the complete and incomplete combustion of hydrocarbons. I will explain why combustion is useful as well as how to balance associated equations.

In this lesson I will how the sulfur dioxide formed from the combustion of hydrocarbons contributes to the formation of acid rain. I will discuss the environmental impact of acid rain and discuss all associated chemical equations.

In this lesson I will discuss the functional group which gives an alcohol it’s chemical and physical properties. I will go on to explain how different alcohols are named.

In this lesson I will discuss the various ways by which ethanol can undergo oxidation, including oxidation and combustion. I will discuss how acidified potassium dichromate and anti-bumping granules can be used to oxidise alcohols.

In this lesson I will discuss the various methods which are used to manufacture ethanol, including the hydration of ethene and the fermentation of glucose.

In this lesson I will discuss the functional group associated with carboxylic acids. I will go on to discuss how to name carboxylic acids as well as how carboxylic acids react with both metals and carbonates.

In this lesson I will discuss how esters are made and named. I will go on to discuss the preparation of ethyl ethanoate in detail. Here, I will discuss the role of sodium carbonate and calcium chloride.

In this lesson I will explain how addition polymers are formed and drawn. I will go on to discuss how polymers are disposed of and the associated hazards with their disposal.