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!
Professor Dave Explains
Practice Problem: Reaction of a Terminal Alkyne
We've got a terminal alkyne, and we're gonna do some stuff to it. What will we get? What's that Grignard reagent gonna do? Be careful!
Professor Dave Explains
Practice Problem: Hydrogenation, Isomerism, and Cyclohexane Chairs
For this one we need to understand the stereospecificity of hydrogenation over platinum metal, stereochemical relationships, and the relative stability of cyclohexane chair conformations.
Professor Dave Explains
Practice Problem: Grignard Reactions
Grignards are all over the place! Better make sure we can draw the correct products of Grignard reactions. Try these for practice.
Professor Dave Explains
Practice Problem: Four-Reaction Pathway
We are starting with benzene, we do four reactions, and what do we get? See if you can get the right answer!
FuseSchool
What Are Structural Isomers
In this video we will look at some different structures of butane - so they all have 4 carbons but just arranged differently. We will also look at the the 5 different isomers for hexane - they all have 6 carbons (and hence are hexane...
Curated Video
The Cycling of Life: Understanding the Carbon, Water, and Organic Material Cycles in Ecosystems
This video discusses the importance of material recycling in ecosystems, specifically focusing on the carbon and water cycles and the process of decomposition. It explains how plants play a crucial role in the carbon cycle by removing...
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
Elemental Analysis: Empirical and Molecular Formulas
There's a thing with carbon and hydrogen in it. But how many of each?! That's the kind of thing a chemist should know. So let's do some elemental analysis!
FuseSchool
What Are Giant Chemical Structures
Learn the basics about the differences between different chemical structures, including giant covalent, giant ionic and metallic structures. There are numerous materials and substances that possess giant chemical structures. Some are...
The Business Professor
Marketing - Measuring Environmental Impact
This Video Explains Marketing - Measuring Environmental Impact
Professor Dave Explains
Pericyclic Reactions Part 3: Sigmatropic Shifts (Cope Rearrangement, Claisen Rearrangement)
Now that we have sufficiently covered cycloaddition reactions, we can move on to the next type of pericyclic reactions. That would be sigmatropic shifts. This includes important synthetic techniques like the Cope rearrangement, Oxy-Cope...
NASA
Why Won't it Melt? How NASA's Solar Probe will Survive the Sun
NASA's Parker Solar Probe is heading to the Sun. Why won't the spacecraft melt? Thermal Protection System Engineer Betsy Congdon (Johns Hopkins APL) outlines why Parker can take the heat. Music credit: Cheeky Chappy [Main Track] by Jimmy...
Professor Dave Explains
Practice-Problem: Two-Reaction Pathway
This time we have a starting material, and we are gonna do just two reactions. But it's a little tricky! See if you can figure it out.
Professor Dave Explains
Practice Problem: Oxidizing Agents
For this one we need to know the ability of different oxidizing agents to react with various functional groups, and what functional groups will result.
Professor Dave Explains
IIT/JEE Chemistry Practice #17: Molecular Geometry
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Financial Times
Graphene hype starts to become reality
Graphene is a two-dimensional form of carbon, with a hexagonal structure just one atom thick. Until now there has been a lot of hype about potential mind-blowing technologies but not a lot of end product. The FT's Andy Bounds reports.
One Minute History
Coal - One Minute History_4k
Coal. The carbon based result of water, rocks and dirt compressing plant life for millions of years. Cavemen used coal for heat, light and cooking. The earliest coal mines were discovered in China, dating back over 3000 years. The use of...
FuseSchool
Covalent Bonding In Carbon Dioxide
Carbon dioxide is a product of one of the most important chemical reactions in the world: combustion. Combustion is how a lot of people in the world heat their homes and power their cars. It also unfortunately contributes to the...
NASA
Amazon Canopy Comes to Life through Laser Data
Flying over the Brazilian Amazon with an instrument firing 300,000 laser pulses per second, NASA scientists have made the first 3D measurements of forest canopies in the region. With this research they hope to shed light on the effects...
NASA
NASA Sees High Temperatures, Wildfires, Sea Ice Minimum Extent in Warming Arctic
On Sept. 15, 2020, Arctic sea ice reached its annual minimum extent -- the second-lowest on record. This summer, temperatures soared in the Siberian Arctic, and intense fires burned through peatland. The Arctic region is warming three...