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GCSE Chemistry - Bond Energies #44 (Higher tier)
This video covers: - What bond energies are - That bond breaking is endothermic - That bond formation is exothermic - How to calculate bond energies - Two example calculations This video is suitable for: - Higher tier only - All exam...
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GCSE Chemistry - Atom Economy #31
This video covers: - The idea that atom economy is a measure of the amount of starting materials that end up as useful products - How to calculate atom economy - Why we should care about it - How to improve atom economy Exam board...
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GCSE Chemistry - Alkanes: properties & combustion #52
In this video, you'll learn: - The properties of alkanes, and the specific trends you can observe as the length of carbon chain increases - The equation for the combustion of alkanes - How to write balanced equations for the combustion...
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GCSE Chemistry - Addition Reactions of Alkenes #55
This video covers: - The idea that the carbon-carbon double bond can break, which allows the carbons to bond to new atoms - How alkenes react with hydrogen to form alkanes - How alkenes react with water to form alcohols - How alkenes...
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GCSE Chemistry - What is a Hydrocarbon? What are Alkanes? Hydrocarbons and Alkanes Explained #51
In this video you'll learn: - What hydrocarbons are - What alkanes are - The general formula for alkanes - An example of using that general formula to work out the molecular formula of 'octane'
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GCSE Chemistry - The Haber Process Explained #76
This video answers: - Why is the Haber process so important? - What is the chemical equation for the Haber process? - What are the conditions for the Haber process, and why do we use those conditions? - How does the Haber process work?...
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GCSE Chemistry - State Symbols & Predicting States of Matter #32
This videos covers how to use state symbols to show the physical state that substances are in, and also how to predict the state from melting and boiling point data. This video is suitable for: - Higher and Foundation tiers - All exam...
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GCSE Chemistry - Relative Formula Mass #24
This video covers how to find the 'relative formula mass', which is the sum of the relative atomic masses of all the atoms within a molecule or compound. It also covers how to find the the percentage mass of a particular element in a...
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GCSE Chemistry - Reactivity Series of Metals & Displacement Reactions #37
When metals react they lose their outermost electrons. This video covers which metals are the most and least reactive & also how we can determine reactivity by reacting them with acids and water. Then at the end we cover displacement...
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GCSE Chemistry - Rates of Reaction #46
In this video we'll look at: - Some examples of reactions that happen at different rates - The different ways we can calculate the rate of a reaction - Some examples of calculating the rate of reaction using decimetres cubed and minutes...
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GCSE Chemistry - Percentage Yield #33
This video covers: - The difference between 'actual yield' and 'theoretical yield' - Why the actual yield may be less than the theoretical yield - How to calculate the percentage yield Exam board specific info: AQA - Separate/triple...
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GCSE Chemistry - Le Chatelier's Principle #50 (Higher Tier)
This video covers: - Le Chatelier's Principle - i.e. the idea that when a change is made to a system at equilibrium, the position of equilibrium moves to counteract the change that was made. - What happens when temperature is changed -...
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GCSE Chemistry - How to Test for Gases - Testing for Chlorine / Oxygen / Hydrogen / CO2 #64
In this video, you'll learn: - The test for detecting chlorine gas - The test for detecting oxygen gas - The test for detecting hydrogen gas - The test for detecting carbon dioxide gas
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GCSE Chemistry - How to Calculate the Rate of Reaction - Measuring Rate of Reaction #48
This video explains how to calculate the rate of reaction - step-by-step. In this video we cover the following: - How to measure the average rate of a reaction - How to measure the average rate of a reaction using a graph - Two examples...
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GCSE Chemistry - Halogens and Noble Gases #12
Learn all about the properties and trends of the group 7 (halogens) and group 0 (noble gases) elements. Including why halogens become less reactive as you go down the group, and why noble gases are so unreactive. Suitable for: Combined...
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GCSE Chemistry - Fuel Cells #45
This video covers: - What fuel cells are - How they work - How to write half equations and full equations for fuel cells - The pro's and con's of hydrogen fuel cells Exam board specific info: AQA - Separate/triple science only IGCSE...
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High Five Facts - Elements Compounds Mixtures
This video explores five fun facts about elements, compounds, and mixtures.
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I WONDER - Why Is Hydrogen Called A Clean Fuel?
This video is answering the question of why is hydrogen called a clean fuel.
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I WONDER - What Is Special About The Element Hydrogen?
This video is answering the question of what is special about the element hydrogen.
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I WONDER - What Are Compounds?
This video is answering the question of what are compounds.
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I WONDER - How Is Hydrogen Made?
This video is answering the question of how is hydrogen made.
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I WONDER - How Can Hydrogen Produce Electricity?
This video is answering the question of how can hydrogen produce electricity.
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Non-Metals and Other Non-Metals Song Periodic Table
Learn about the Other Non-Metals group of the Periodic Table with Non-Metals and Other Non-Metals Song Periodic Table by KLT.
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What You Don't Know About Trans Fatty Acids and Depression
Do you know what Trans fatty acids are? Recent studies have shown a correlation between high levels of Trans fatty acids and depression. In this video, I talk about what Trans fatty acids are, how they can affect your mood, and some tips...