Professor Dave Explains
IIT/JEE Chemistry Practice #4: Limiting Reagents
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Catalyst University
Muscle Physiology 3: Sodium-Potassium Pump
Muscle Physiology 3: Sodium-Potassium Pump
Professor Dave Explains
Types of Silicates Part 2: Inosilicates, Phyllosilicates, and Tectosilicates
Silicates are a particularly complex class of minerals that all contain silica tetrahedra. What are the characteristic structures of the last three sub classes of silicates? How are they different from one another? The 8 Classes of...
Professor Dave Explains
Practice Problem: Balancing Equations
Who couldn't use a little practice balancing equations? If you've seen my tutorial outlining how to do this, then you're ready for four rapid fire examples to make sure you're ready to do this on your own. Give them a shot!
Curated Video
Balancing Chemical Equations and Understanding Chemical Formulas
This video is a tutorial on balancing chemical equations. The presenter discusses the law of conservation of mass and the importance of balancing equations to determine the ratios of reactants and products. They explain the meaning of...
Professor Dave Explains
IIT/JEE Chemistry Practice #14: Ionization Energy
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
ProTeachersVideo
Demonstrating Chemistry - Spectacular Experiments: Sodium Ethanoate Stalagmite
Prof Hal Sosabowski demonstrates a solid spontaneously coming out of solution in this visually beautiful experiment. Just a few crystals are enough to form a nucleation site for a super-saturated solution of sodium acetate. This...
msvgo
Periodic Trends in Chemical Properties
It discusses the trends of chemical properties such as oxidation states, chemical reactivity.
TMW Media
Properties Of Water: Future use of water
What research is being conducted currently? How does it work? If successful, how can it help society? What careers deal with science and water?
Properties Of Water, Part 5
FuseSchool
Group1 As An Example Of Groups In The Periodic Table
Learn the basics about Group 1, as an example of Groups in the periodic table.
Professor Dave Explains
Practice Problem: Vicinal Dihalide Synthesis
We've got two vicinal dihalides with different stereochemistry, and we want to make them. How can we do this? Think about the reactions you know and give it a try!
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.
Professor Dave Explains
Metallic Bonds
We've learned about ionic and covalent bonds, so we understand the interactions that will occur between a metal and a nonmetal, or between two nonmetals. But what about two metals? Metallic bonding! This ends up being sort of like ionic...
Science360
Batteries of the future made with salt - Science Nation
UCSD materials scientist aims to clear hurdles to development of sodium-based rechargeable batteries Running out of "juice," finding a place to charge up, borrowing a charger, waiting for the charge--it's a familiar ritual for cell phone...
Curated Video
024 @Nicodube23 How Myelin Sheaths speed up the Action Potential
In episode 24, I respond to Nicodube23's question on How the Myelin Sheaths speed up the Action Potential through the process of Saltatory Conduction. Watch, learn and Enjoy!
FuseSchool
Reactions Of Metals With Water
Reactions Of Metals With Water | Reactions | Chemistry | FuseSchool
Learn the basics about Reactions of metals with water. Which metals react to water? What reactions can we notice? Find out more in this video!
CREDITS
Animation &...
Curated Video
011 Hyperpolarization - the end of the action potential
After Depolarization and Repolarization comes Hyperpolarization, where the membrane potential falls beneath the Resting Membrane Potential. Watch the video to learn more!
Curated Video
013 A Review of the Action Potential
Depolarization, repolarization, hyperpolarization - It's all here. Watch this for a review of the action potential.
Curated Video
014 The Journey Down the Axon
How does the signal that starts at the axon hillock travel down the axon, and why does it only go in one direction?
Curated Video
018 Agonists and Antagonists
In this video, I talk about what agonists and antagonists are and how they affect the neuron on the level of the neurotransmitter. Enjoy
Curated Video
031 How Rods and Cones respond to Light
In this episode, I go through the process of how rods and cones respond to light. I use Rods as an example and show how Rhodopsin, Transducin and Phosphodiesterase are involved in the process. 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
The Pacemaker Potential of the SA Node and the AV Node
In this episode, I talk about how the Pacemaker Potential results in the signal that causes the heart to beat. I show how the greater conductance for Sodium ions in the Pacemaker Cells in the S.A. Node cause the cells to depolarize,...
Curated Video
Drugs That Affect the Cardiovascular System
The circulatory system, like every other system in the body, is very important. And when there are problems with your cardiovascular system, your doctor may prescribe various medications to help. Let's take a look at five kinds of...