Professor Dave Explains
The Third Law of Thermodynamics: Absolute Zero
Brr, it's so cold today! Could it get any colder? Is there a coldest possible temperature? Yes, there is! That seems strange, but now we know that temperature is just a measure of kinetic energy, so zero kinetic energy must mean zero...
Curated Video
Rubbing Alcohol: Properties, Uses, and Hazards
Rubbing alcohol, also known as isopropyl alcohol, is a common topical sanitizer. It's used to clean surfaces and wounds, among other things. Explore the chemical properties of rubbing alcohol.
Next Animation Studio
Scientists discover coronavirus’s mechanism for inhibiting the immune system
The novel coronavirus’s genetic sequence has a segment that produces a substance known as nonstructural protein 1.
Mazz Media
Heat of Vaporization
This program begins by defining heat of vaporization is the amount of heat that must be added or given off to vaporize one gram or kilogram of a substance and is expressed as J/g or J/kg. Through real, live footage and animation,...
Professor Dave Explains
Practice Problem: Limiting Reagent and Percent Yield
Once we get the hang of stoichiometric calculations, we get a curve ball. Limiting reagents? Not all of the reactants will react? We might not get as much product as we expect? Let's practice identifying the limiting reagent, calculating...
Professor Dave Explains
Practice Problem: Calculating Equilibrium Concentrations
We know how to write equilibrium constant expressions for any equilibrium, and we know that they relate the equilibrium constant to the equilibrium concentrations for all of the substances in the system. Let's see if we can calculate a...
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...
FuseSchool
Other Acids
Learn the basics about Other acids. Acids have a variety of applications for the industrial and domestic markets. What does that mean? Find out more in this video!
Curated Video
The History and Making of Cheese
Cheese is a dairy product made by coagulating ceisin in milk to separate it from the whey. Learn more about the dairy product and how to make your own cheese!
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Decomposition
Process and steps of decomposition in an ecosystem. Advantages and factors affecting decomposition.
Curated Video
Applications of Ionizing Radiation: Uses of Radioactivity for Our Benefit
The video discusses various applications of ionizing radiation in our daily life, including irradiation of food, sterilization of equipment, smoke alarms, thickness gauging, and medical applications like tracers, PET scanners, and cancer...
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...
Mazz Media
Heat of Fusion
In this video viewers will learn that heat of fusion is equal to the amount of heat that must be added or given off to melt or freeze one gram or kilogram of a substance and it’s expressed J/g or J/kg. Students will learn what units are...
Curated Video
Measuring Entropy Changes through Calorimetry Experiment
The video discusses how to measure entropy change in chemical reactions through an experiment using calorimetry. It explains the concepts of exothermic and endothermic reactions and how to calculate heat energy change. The equipment used...
Mazz Media
Liquid
This live-action video program is about the word liquid. The program is designed to reinforce and support a student's comprehension and retention of the word liquid through use of video footage, photographs, diagrams and colorful,...
FuseSchool
What Are Reversible Reactions?
Learn about reversible reactions. Find out where you can find them and what they actually are. In this lesson, we will learn about reversible reactions. When we fry an egg, it is impossible to 'unfry' it. A lot of reactions work in the...
FuseSchool
Stomach Acid
Learn the basics about what stomach acid is as part of the acids and bases topic.
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Conditions Required for Combustion
It explains combustion, explosion and ignition temperature. It explains how to control fire.
Professor Dave Explains
The Isolation of Natural Products: Morphine and Other Alkaloids
In the early 19th century, we were still in the habit of searching for plants with medicinal properties. But we were finally beginning to develop the capacity to identify active ingredients within those plants, isolate them, and purify...
Next Animation Studio
Vape additive creates toxic ketene gas: study
Medical researchers from Ireland have linked vitamin E acetate to vaping illness.
Curated Video
Transverse and Longitudinal Waves: Understanding the Differences
This video is a lecture about waves, specifically transverse and longitudinal waves. The speaker defines what a wave is and explains how it transfers energy without any matter being transferred. The video then delves into the differences...
Curated Video
Calculating Balancing Numbers in Chemical Reactions and Limiting Reactants
The video explains how to use the masses of reactants and products in a chemical reaction to calculate the balancing numbers in a symbol equation. Two examples are provided to illustrate the process, and the concept of limiting reactants...
Curated Video
Introduction to Solutions: What They Are and How They Form
The video discusses the concept of solutions and how they are formed by dissolving solutes into solvents. It covers definitions of terms such as solute, solvent, dilute, concentrated, and saturated solutions. The video also explains how...
Next Animation Studio
Explainer: Why is ammonium nitrate so volatile?
Usually produced in small pallets, ammonium nitrate is capable of self-combustion in sufficiently high temperatures.