Professor Dave Explains
Organic Chemistry Mechanism Challenge 2
Need some organic chemistry practice? Here's a tricky mechanism to try!
Professor Dave Explains
IIT/JEE Chemistry Practice #8: Molecular Formulas
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
FuseSchool
What Is The Carbon Cycle - Part 2
Watch part 2 of the videos on the Carbon Cycle, as a part of environmental chemistry. Photosynthesis and respiration help carbon to be cycled in nature by using energy from the sun. As living things grow, they have to build up large...
Professor Dave Explains
Organolithium Reagents
We've seen one organometallic reagent before, the Grignard reagent. That had magnesium in it. Well now let's learn another! Organolithium reagents are commonly used, so let's see what they do.
Science360
Are There Surprises In The Carbon Cycle? - The Carbon Cycle
Are there surprises in the carbon cycle that could lesson climate warming or make it much worse?
NASA
NASA's ICESat-2 Looks Beyond the Icy Poles
ICESat-2's main science objective is ice, but the mission is also able to measure the heights of other features, including ocean bathymetry, trees and mountain glaciers. Ryan Fitzgibbons (USRA): Lead Producer Aaron E. Lepsch (ADNET):...
Professor Dave Explains
Practice Problem: Electrophilic Aromatic Substitution Multi-Step Pathway
EAS, not once, not twice, but thrice! Draw all the molecules, please. Don't forget about ortho/meta/para!
Professor Dave Explains
Organic Chemistry Synthesis Challenge 6
Need some organic chemistry practice? Here's a tricky synthesis to try!
Professor Dave Explains
Organic Chemistry Mechanism Challenge 6
Need some organic chemistry practice? Here's a tricky mechanism to try!
Professor Dave Explains
Organic Chemistry Mechanism Challenge 4
Need some organic chemistry practice? Here's a tricky mechanism to try!
Professor Dave Explains
Organic Chemistry Mechanism Challenge 3
Need some organic chemistry practice? Here's a tricky mechanism to try!
Professor Dave Explains
Nef Reaction (Introduction to Umpolung Chemistry)
The Nef reaction is a good way to convert nitronates into carbonyl compounds. This is a technique that can be incorporated into a strategy called "Umpolung", which refers to a reversal of polarity, such that upon converting from the...
Professor Dave Explains
IIT/JEE Chemistry Practice #1: Avogadro's Number/Moles
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Physics Girl
What is the MAGIC RUSSIAN DIAMOND?
In the early 2000s, physicist found a diamond they’d been searching for. Find out what it was used for.
Australian Broadcasting Corporation
Can Seaweed Save the World: Seaweed farms in the open ocean
Professor Tim Flannery investigates how seaweed is helping to save the world. From growing the foods of the future, helping clean polluted water and even combating climate change. Can seaweed farms grow at scale but way out in the open...
NASA
NASA | Earth from Orbit 2014
Every day of every year, NASA satellites provide useful data about our home planet, and along the way, some beautiful images as well. This video includes satellite images of Earth in 2014 from NASA and its partners as well as photos and...
Professor Dave Explains
Practice Problem: Synthesis Challenge
We've got a target molecule to synthesize, and we have to start from benzene and other reagents of three carbons or less. How are we gonna do this? Think about the reactions you know, especially some electrophilic aromatic substitution,...
Professor Dave Explains
Practice Problem: Retrosynthesis of an Alcohol
For this one we need to understand the key points of retrosynthetic analysis. What reactions make alcohols? How can we put this molecule together?
Professor Dave Explains
Practice Problem: Newman Projections and Nomenclature
For this one, we will need to be able to draw Newman projections as well as name the molecule using the rules of IUPAC nomenclature. Basic stuff!
Professor Dave Explains
Practice Problem: Empirical and Molecular Formulas
How do we know how many atoms of each element are in a particular compound? Through clever experiments! Here let's practice using percent mass information to get the empirical and molecular formulas of a particular compound.
Professor Dave Explains
Organic Chemistry Synthesis Challenge 5
Need some organic chemistry practice? Here's a tricky synthesis to try!
Professor Dave Explains
Organic Chemistry Synthesis Challenge 2
Need some organic chemistry practice? Here's a tricky synthesis to try!
Professor Dave Explains
Organic Chemistry Mechanism Challenge 7
Need some organic chemistry practice? Here's a tricky mechanism to try!