TMW Media
Hydrate Compounds
This program covers the very important topic of hydrate compounds. We begin by discussing what a hydrate compound is and why they exist in nature. We discuss how to name hydrate compounds using numerous examples. The entire lesson is...
Professor Dave Explains
IIT/JEE Chemistry Practice #11: Moles/Molarity
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
Practice Problem: Colligative Properties
What are colligative properties? They're properties of a solution, such as freezing point depression and boiling point elevation, which differ from the pure solvent. Let's do some calculations regarding these concepts!
FuseSchool
How To Test For Positive Ions - Part 2
Learn the basics about Testing for positive ions - part 2.
Professor Dave Explains
Practice Problem: Balancing Redox Reactions
We know about redox reactions, and we even learned how to balance them under both acidic and basic conditions. Time for a quiz! Balance this redox reaction.
FuseSchool
Testing for chlorides, bromides and iodides
Learn the basics about Testing for chlorides, bromides and iodides. What are these and which methods are used to test them? Find out more in this video!
Next Animation Studio
Short circuits in magnetosphere cause radiation spots on Earth
Scientists are starting to understand how solar storms use currents in Earth’s magnetic shield to land some punches.
Curated Video
Electrolysis of Aqueous Solutions
This is a lecture presentation on the electrolysis of aqueous solutions. The presenter explains what an aqueous solution is and what it contains, particularly aqueous solutions of metal salts. The presenter then presents a hypothesis on...
Professor Dave Explains
Practice Problem: Lattice Energy and Ionic Bond Strength
We know that within an ionic compound, the ions are held together by ionic bonds. What is the strength of those bonds, and what is the lattice energy possessed by the entire lattice? Can we compare two compounds and say which has the...
Ancient Lights Media
Signal Transduction: Light Induced Cellular Change
Plant Physiology and Chemistry Set: 6. This clip shows how, by the process of signal transduction, light is able to bring about chemical responses that result in the expression of genes.
FuseSchool
Reactions of Iron
Learn the basics about reactions of iron, as a part of chemical reactions.
Professor Dave Explains
Practice Problem: Naming Ionic Compounds
We know about ionic bonds and ionic compounds, how do we name them? Let's practice going from formula to name, and also from name to formula.
Curated Video
015 Saltatory Conduction
In this video, I look at Saltatory conduction and explore how it is responsible for moving the action potential quickly along the axon and down to the axon terminals. See how the Myelin Sheaths influence the speed of propagation.
Curated Video
017 Two Types of Receptors
In this video I talk about the two types of receptors - the ionotropic and metabotropic receptors and show how the result in different types of responses. Enjoy!
Curated Video
How Adrenaline and Acetylcholine Affect Heart Rate
In this episode, I discuss the effect of Adrenaline and Acetylcholine on heart rate. Adrenaline speeds it up and Acetylcholine slows it down. They both have their effect by modifying the conductance for ions such as Sodium, Potassium and...
Curated Video
008 The All-or-None Action Potential
In this episode, I talk about the all-or-none nature of the action potential. Action potentials/nerve impulses either happen or they don't. If the stimulus is strong enough to cause the membrane potential to reach threshold, this will...
Curated Video
004 Ion Channels: Proteins in the Membrane of Neurons
In this video, I go through the details of the 4 types of proteins in the membrane of neurons: The passive/leakage ion channels, Sodium Potassium pump, Voltage-gated ion channels and ligand-gated ion channels
Curated Video
Empirical Formula: Simplest Whole Number Ratio of Atoms in a Substance
The video explains the concept of empirical formula in chemistry. The video also talks about how to convert the molecular formula into the empirical formula and vice versa. The video presents examples of how to determine the empirical...
FuseSchool
Ionic Equations
Learn the basics about Ionic equations. Precipitation reactions involve two solutions reacting to form an insoluble product, the precipitate. What does that mean? Find out more in this video!
Professor Dave Explains
Nomenclature of Hydrated Salts
As long as we're naming stuff, let's name these hydrated salts! You know, like epsom salts?
msvgo
Uptake and Transport of Mineral Nutrients
The nugget explains the uptake, absorption and transport of mineral nutrients in plants.
Curated Video
Does Water Really Conduct Electricity?
Pure water doesn’t conduct electricity; by itself, it is a poor conductor of electricity. However, water contains charged ions and impurities that make it a very good conductor of electricity. We are always told and taught that water...
Curated Video
Why Is It Called "Dead" Sea? Why Does Everyone Float In This Sea?
Lying on the lowest point on the Earth, the hypersaline Dead Sea is one of the most fascinating places on this planet. People float effortlessly here and that is the major attraction of the Dead Sea. But besides this natural buoyancy,...