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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 - Acids and Bases #34
This video is covers what acids and bases are, what the pH scale is, how we measure pH with indicators and probes, and what neutralisation reactions are.
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GCSE Chemistry - Electrolysis P2 - Electrolysis to Extract Metals From Oxides - Explained #41
This video covers: - How to extract reactive metals from their oxides using electrolysis - Recap of extracting unreactive metals with 'reduction by carbon' - The specific example of extracting aluminium from aluminium oxide - Writing...
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GCSE Chemistry - Covalent Bonding #16
This video covers how covalent bonding works, how to show it with dot and cross diagrams, and the types of substances that covalent bonds can form.
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GCSE Chemistry - What is Corrosion and How to Stop it #71
This video covers: - Why do things rust? What are the conditions for rusting? - Whats the chemical equation for rusting? - Corrosion experiment - How to prevent rusting by using the barrier method or sacrificial method - What is...
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GCSE Chemistry - The pH Scale & Strong vs Weak Acids (Higher Tier) #35
One of the most confusing points with acids is the difference between strength and concentration. This video covers exactly what strong vs weak means and explains what the pH scale really represents. This video is suitable for: - Higher...
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GCSE Chemistry - Oxidation and Reduction - Redox Reactions #39 (Higher Tier)
In this video we cover: - Oxidation and reduction in terms of oxygen and electrons - Redox reactions - Displacement reactions - Ionic equations - Half equations This video is suitable for: - Higher tier only - All exam boards - 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 - History of the Model of the Atom #7
This video covers: - Democritus - Atomic Theory - John Dalton - Solid spheres - JJ Thomson - Plumb Pudding model - Ernest Rutherford - Nuclear Model - Niels Bohr - Electron shells - James Chadwick - Neutrons General info: - Suitable for...
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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 - Group 1 Alkali Metals #11
What are alkali metals? Why are they so reactive? What are the trends as you go down the group? How do they react with water, oxygen and chlorine? Learn all this and more!
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GCSE Chemistry - Factors Affecting the Rate of Reaction #47
This video covers: - Collision theory, and how it relates to the rate of reaction - The effect of temperature - The effect of concentration and pressure - The effect of surface area - The effect of catalysts
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Why does wine smell like roses?
Have you ever smelled popcorn or cat pee in your wine? Here's why.
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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 - Nanoparticles #22
This video covers: - What nanoparticles are and why they're useful - The uses of nanoparticles e.g. as catalysts, in nano-medicine, and in electrical circuits - The risks of nanoparticles - How silver particles are used in suncreams and...
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GCSE Chemistry - How to Find the Volume of a Gas #28
This video covers: - How to calculate the volume of a gas using the equal: volume = moles x 24 - How to find the volume of a product when you're told the volume of a reactant Exam board specific info: AQA - Separate science and higher...
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GCSE Chemistry - How to Calculate Concentration in grams per decimetre cubed #30
How to calculate concentration in g/dm³. To measure how much of a particular substance we have a give volume, we can work out the concentration. In this video we cover how to calculate concentration in grams per decimetre cubed, and have...
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GCSE Chemistry - What is a Polymer? Polymers / Monomers / Their Properties Explained #23
Everything you need to know about polymers! Polymers are large molecules made up of lots of repeating units called monomers. This video covers: how to identify them, how to draw them, and their properties.
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GCSE Chemistry - Purity and Formulations #62
In this video, you'll learn: - What the term 'purity' means - How we use physical and chemical tests to check for purity - The effect of purity on melting and boiling points - What the term 'formulation' means - Some common uses of...
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GCSE Chemistry - Modern Periodic Table #9
Learn who made the periodic table, why he arranged the elements this way and about the important groups you need to know.
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I FINALLY understand the Maillard reaction
You’ve probably heard of the Maillard reaction, but here's how it actually works (AND how to hack it).
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The pan you don't have (but should)
Carbon steel pans are some of the most versatile pans in a home cook’s kitchen - here’s why.
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How to make your food 30x more delicious
You’ve heard a lot about umami, but you probably don’t know the full story.
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Bitter foods SHOULD taste terrible...here's why they don't
If disliking bitter foods evolved to keep us alive, why do we LOVE some bitter foods?