Professor Dave Explains
Pericyclic Reactions 2
Professor Dave explains the science and theory behind pericyclic reactions (Part Two)
Professor Dave Explains
Heterocycles Part 1: Furan, Thiophene, and Pyrrole
We've mentioned heterocycles before. They are cyclic molecules where one or more atoms in the ring are not carbon. Typically these involve oxygen, nitrogen, and sulfur. But there are so many different heterocycles. Different sizes, some...
Professor Dave Explains
Dalton's Law and Partial Pressures
We know about the ideal gas laws, like Boyle's and Charles's and so forth. Now let's look at one law that involves mixtures of gases. This is called Dalton's Law, and to understand it, we have to learn about the concept of partial...
Professor Dave Explains
Biginelli Reaction
With the Passerini and Ugi reactions down, let's learn one more multi-component reaction, the Biginelli reaction. Developed by Pietro Biginelli in 1891, this reaction produces pyrimidine derivatives. What's the mechanism? What are the...
EarthEcho International
Into the Dead Zone: Exploring the Impact of Farming Practices on Dead Zones
The video explores how farming practices in rural areas affect waterways and ultimately, the health of the Chesapeake Bay. It highlights the efforts of a farmer in Pennsylvania who adopts sustainable practices to manage nutrient loads in...
Professor Dave Explains
Pericyclic Reactions Part 2: Hetero-DA Reactions and 1,3-Dipolar Cycloadditions
After revisiting the Diels-Alder reaction, we are ready to learn about some other cycloadditions with great synthetic utility. This will include 1,3-dipolar cycloadditions, which are very neat. Don't take my word for it, check this out!
Professor Dave Explains
Beckmann Rearrangement
Have you ever had a ketone and wished you had an amide instead? Not to worry! The Beckmann rearrangement is the solution to your problems. Check out this nifty reaction where we get an oxime and then get an alkyl group to migrate. We can...
Visual Learning Systems
The Nature of Electricity: Static Electricity
This video describes the basic role that atoms play in creating electrical charges, as well as the nature and creation of static electricity. Various methods of charging are discussed, emphasizing the role that insulators and conductors...
Professor Dave Explains
Diazomethane Synthesis and Applications (Arndt-Eistert Homologation)
In learning about carbenes, we discovered the importance of diazomethane. So it will be a good idea to learn how to make this molecule, as well as some other things we can do with it, including something called the Arndt-Eistert...
The Backyard Scientist
Pouring Liquid Nitrogen in a Pool - (I set my pool on fire!!)
I pour Liquid Nitrogen, Diethyl Ether, and Dry Ice into my pool! Can liquid nitrogen put out a fire? what about dry ice? Diethyl ether is one of the most flammable solvents around!
FuseSchool
How Is Oxygen Used
Learn the basics about the properties of oxygen. Oxygen is a gas, it has no smell, colour, or taste; but without it, we as humans would not be able to inhabit planet Earth. When cooled to a very low temperature, it will form a liquid and...
Professor Dave Explains
Heterocycles Part 2: Pyridine
In the previous tutorial, we learned about some five-membered aromatic heterocycles. Those were furan, thiophene, and pyrrole. Now let's learn about a six-membered one, pyridine. This one is ubiquitous in nature, so let's get the scoop...
Visual Learning Systems
The Air Around Us: What's in Air?
Often hard-to-understand concepts of air, gases, air pressure, and layers of the atmosphere are plainly explained in this fascinating video. Concepts and terminology: oxygen, nitrogen, layers, weather, jet stream, and northern lights.
FuseSchool
How To Reduce Carbon Dioxide In The Air
Through photosynthesis, plants take in carbon dioxide from the air and split it and use it (and water) to make carbohydrates. So surely plants can help us reduce carbon dioxide in the air? Possibly... But equally, the carbon in plants is...
Curated Video
Calculating Energy Changes and Bond Energies in Chemical Reactions
The video explains how to calculate energy changes in chemical reactions by considering the energy required to break bonds and the energy released when bonds are formed. The video also introduces the concept of bond energy, which is the...
Professor Dave Explains
Vilsmeier Reaction
What's a formylation? The introduction of a formyl group, of course. This refers to a way to make aldehydes. The Vilsmeier reaction is one such method, developed in 1927. Let's get a look at this reaction, its mechanism, and the...
FuseSchool
Microorganisms
Microorganisms | Genetics | Biology | FuseSchool Would you be surprised to hear that over 60% of life on earth is so small that it can only be seen with a microscope? We call all of these little things ‘microbes’ or ‘microorganisms’....
Professor Dave Explains
Schmidt Reaction
Wanna make an amide out of a ketone? Try the Schmidt reaction! It's got azides, it's got really neat concerted rearrangements, it's got diazoiminium intermediates, it has it all! Let's check out the mechanism, implications, and...
Next Animation Studio
Oumuamua is not made of nitrogen, according to Harvard astrophysicists
Harvard scientists says origin of first ever interstellar object detected in our solar system remains unknown.
Catalyst University
Caffeine Demethylase Mechanism
In this video, we discuss Caffeine Demethylase Mechanism
Curated Video
Rancidity: Why Do Foods Turn Rancid?
Rancidity refers to the complete or incomplete hydrolysis or oxidation of fats and oils when exposed to air, light, moisture, and bacterial activity; this generally occurs in food items, making them undesirable for consumption. In more...