MinuteEarth
How We Learned That Water Isn't An Element
For thousands of years, water was thought to be an element. That is, until some of the greatest chemists in the world managed to crack it open.
Curated Video
Electrolysis of Ionic Compounds: Molten and Aqueous Solutions
In this video, the process of electrolysis is discussed, which involves the splitting of an ionic compound into its constituent elements by passing an electric current through it. The video explains how electrolysis works for molten lead...
Curated Video
GCSE Chemistry - Electrolysis Part 3 - Aqueous Solutions #42
In this video we cover: - How the electrolysis of soluble compounds works - The rules to find out which ions are discharge at each electrode - Electrolysis of aqueous copper sulfate - Electrolysis of aqueous sodium chloride This video is...
KnowMo
Mathematics: Addition, Subtraction, and Dealing with Negative Numbers
The video is a lesson on addition, subtraction, and dealing with negative numbers. The presenter demonstrates two methods for adding and subtracting, which are the chunking method and the column method. They also explain the concept of...
Mister Simplify
Mayo's Hawthorne Effect (Employee Motivation) - Simplest Explanation ever
Elton Mayo's Hawthorne Effect is a motivational theory used in business to understand the driving factors to employee motivation and retention. This video continues the theme of motivational theories we have been covering. It is a...
Curated Video
Electrolysis of Aqueous Copper Sulfate Experiment
This is a lecture presentation on the electrolysis of aqueous copper sulfate. The presenter goes through the theory of the electrolysis with metal electrodes and develops a hypothesis about what happens when copper sulfate solution is...
Curated Video
Can We Really Build Cars That Run Only On Water?
While it is certainly enticing when a company or individual claims that they have developed technology that can power cars purely on the water when it comes to science, there is a fundamental restriction to this very idea. Simply put,...
Curated Video
Electrolysis of Water
We use electrolysis to break water molecules down into hydrogen and oxygen. This is done using the Hoffman apparatus. Water is added to the apparatus along with some dilute sulfuric acid. When a current is passed through the water,...
Curated Video
Electrolysis of Aqueous Solutions: Theory and Applications
This is a video discussing the theory and practical applications of electrolysis of aqueous solutions. The speaker explains what electrolysis is and how it involves the splitting of compounds using electricity. They then dive into the...
FuseSchool
Xylem and Phloem - Part 2 - Transpiration - Transport in Plants
Transpiration is the evaporation of water from the aerial parts of a plant (so the leaves and stems). By water evaporating out of these parts - mostly the leaves, a suction pressure is created which draws water up through the plant. This...
Cerebellum
America: Nationalism And Change 1818-1830 - The Indian Removal Act 1830
American democracy has a lineage of written records that we can trace to show the development of our nation, and how each document builds on those before it to make our foundation of freedom stronger. This video examines the documents...
Life Noggin
Why Don't We Have Water Powered Cars Yet?
Today we're dipping our toes into the engineering and physics behind water-powered cars! ►► Why Don't We Launch Our Trash Into The Sun? https://www.youtube.com/watch?v=qWh7goEjkcI&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO&index=61 ►►...
Curated Video
Electrolysis of Water & Hydrochloric Acid | Reactions | Chemistry | FuseSchool
Electrolysis of Water & Hydrochloric Acid The discovery that passing an electric current through water would split it apart was made quite soon after the discovery of current electricity itself. This predates Michael Faraday’s work in...
Curated Video
Metal Extraction
We extract copper metal from copper chloride solution using electrolysis. The electric current causes copper to form at one electrode and chlorine gas to form at the other. The presence of chlorine is tested using blue litmus paper....
Curated Video
How Do Astronauts Get Breathable Oxygen In Space (Aboard The ISS)?
Astronauts onboard the ISS get their breathable oxygen in two main ways - through systems onboard the ISS that generate breathable oxygen and through resupply missions that deliver breathable oxygen to the ISS. There is plenty of oxygen...
FuseSchool
What Are Endothermic & Exothermic Reactions
An exothermic reaction gives off energy to the surroundings; like a fire giving off heat. An endothermic reaction takes in energy from the surroundings; like a snowman melting. Exothermic reactions transfer energy to the surroundings,...
Curated Video
Introduction to Fuel Cells: Advantages and Disadvantages
The video discusses fuel cells, which use hydrogen as fuel and react it with oxygen to produce only water, hence not emitting any greenhouse gases. Several methods of producing hydrogen, including steam reforming and electrolysis, are...
Curated Video
Extraction of Aluminium
Explore the difficulties of extracting aluminium from its ore, and how the vast quantities of heat and electricity generated by electrolysis allow this to happen. Chemistry - ReactionsLearning Points. Aluminium is difficult to extract...
Curated Video
What Are Endothermic & Exothermic Reactions | Chemistry | FuseSchool
What Are Endothermic & Exothermic Reactions | Chemistry | FuseSchool An exothermic reaction gives off energy to the surroundings; like a fire giving off heat. An endothermic reaction takes in energy from the surroundings; like a snowman...
TLDR News
Britain's First Trade Deal: Why the UK Australia Trade Deal is Proving so Controversial - TLDR News
The UK appears to be on the brink of reaching its first brand new trade deal (with Australia) but there's been some real controversy in government about it. So in this video we explain the new deal, its benefits and why said deal has...
Curated Video
The Importance and Uses of Magnesium
In this video, we will explore the importance of magnesium, its properties, and its various applications in different industries. From being used in the aerospace and automotive industries for its lightweight and durable properties, to...
Mediacorp
Exploring the Potential of Hydrogen-Powered Transportation
Charging electric vehicles takes a lot longer than filling a gas tank right now. In this video, learn how powering vehicles with green-generated hydrogen fuel could improve this process. Green Cars part 3/5
Curated Video
Understanding Mass Numbers, Atomic Numbers, Isotopes, and Counting Particles in Atoms
The video explains the concepts of mass numbers, atomic numbers, and isotopes in chemistry. It discusses the structure of an atom, the relationship between the number of protons and electrons in neutral atoms, and how elements are...
Educreations
The Electrolysis of Water
What do you create with the electrolysis of water — and why? Answer this question and others with the in-depth video perfect for learners new to the concept. The instructor explains the significance of the positive and negative electrode...