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...
Journey to the Microcosmos
Getting to the Root of Nitrogen Fixation
James, our master of microscopes, is not a farmer. He is, to put it simply, fascinated by microbes. And that may lead him to strange places and cause him to grow tanks full of weird things. But he is not a farmer.
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 7
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!
Curated Video
Life Substances - The Chemistry of life
There are a number of substances that are vital to all living organisms. In this lecture, I talk about substances like carbohydrates, lipids, proteins and nucleic acids, going into some detail about their structures and importance.
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...
Professor Dave Explains
Ugi Reaction
We just learned about the Passerini reaction, and now it's time to learn a similar one, the Ugi reaction. This is another multi-component reaction that is excellent for generating chemical libraries. To the components of the Passerini...
msvgo
Nomenclature Common Names
It explains the process and conventions followed for naming amine compounds, highlighting common names and IUPAC names.
Science360
Mystery of the Mojave - understanding nitrogen loss from desert soil
Available nitrogen is second only to water as the biggest constraint to biological activity in arid ecosystems, but ecologists have struggled to understand the balance of the input and output of nitrogen in deserts. However, researchers...
Weatherthings
Swim Water Quality - Algae and Bacteria
Water quality for swimming can be compromised by high levels of bacteria and harmful blooms of algae, in lakes and on ocean beaches. These can cause illness in people, along with harm to other creatures and plants. In this film, we look...
Australian Broadcasting Corporation
Can Seaweed Save the World: Seafood Farm
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. Tim visits an experimental seafood farm run by Rocky De...
FuseSchool
How To Use Moles - Part 3
Watch the final part of the 'using moles' videos, to complete your understanding of the chemical calculations topic. Avogadro’s number describes what is known as 1 mole, or 12 g of carbon atoms. This is used in chemical calculations. For...
Catalyst University
How Can Smoking Cause Lung Cancer
Here, I present one of the most important mechanisms for the carcinogenic properties of cigarette smoking. P450-oxidized metabolites of benzo[a]pyrene damage DNA and can induce mutations leading to the uncontrolled cell growth associated...
FuseSchool
In Depth: Atomic Mass Units
Learn the basics about Atomic Mass Units. The atomic mass is used to find the average mass of elements and molecules and to solve stoichiometry problems. Find out more in this video!
FuseSchool
The Haber Process - the Uses of Ammonia
Learn about the Haber Process and the uses of Ammonia within the overall reactions topic.
Science360
FERTILIZER GENOMICS
Researchers at New York University are tackling one of the major challenges in agriculture: How to raise healthy plants while minimizing the use of fertilizer and the leaching of fertilizer chemicals into the environment. With support...
JJ Medicine
Carnitine Biosynthesis Pathway
Lesson on Carnitine Biosynthesis. Carnitine is an important metabolite that is required for transportation of long chain fatty acids into the mitochondria via the Carnitine shuttle. Carnitine can be derived from dietary sources or from...
US Department of Agriculture
Soil Testing to Manage Nitrates on Delaware farms
USDA's Natural Resources Conservation Service in Delaware and its partners are helping farmers take care of their soil and the environment. Jacob Urian of the Kent Conservation District demonstrates how to conduct a Pre-Side Dressing...
Professor Dave Explains
More Examples Using the Cahn-Ingold-Prelog Convention
Harder examples using the Cahn-Ingold-Prelog convention.
FuseSchool
BIOLOGY - Environment - Nitrogen Cycle
Nitrogen makes up 78% of the air, however neither plants nor animals can take nitrogen directly from the air because nitrogen is so unreactive. The nitrogen cycles shows the movement of nitrogen through the environment. Nitrogen is...
Mazz Media
Bailey's Big Back Yard: Air and Wind
In this program, Bailey learns about the wind as he experiences it. With help from his magical magnifying glass, Bailey and viewers learn about the complexity of wind and air and they come to understand that air is moving all around us.
Curated Video
Decomposition and its Implications in Composting, Food Preservation, and Biogas Production
This is a video discussing decomposition, the process by which organisms break down waste material and dead plant and animal material into simpler substances, which can then be recycled back into the ecosystem to be used by other...