Curated Video
Why do cars need a battery
In this video, we'll answer the question: why do cars need a battery? We'll explain the basics of car batteries, and talk about the importance of having a battery in a car.
Curated Video
What's inside a car battery
In this video, we're going to take a look inside a car battery. We'll learn what's inside and how it works, and we'll also see some of the purposes car batteries serve.
TMW Media
Ions and Ionic Charge
This program covers the very important topic of ions and ionic charge. We begin by discussing the concept of an ion and how it relates to a neutral atom. We then discuss how to calculate the ionic charge on an atom with practical...
TMW Media
Introduction to Chemistry
This program provides an introduction to chemistry. We begin by discussing how chemistry touches every part of everyday life and give several examples of basic chemical reactions that students come into contact with regularly. The entire...
TMW Media
Atomic Theory of Matter Part 3
This program covers part 3 of the very important topic of the atomic theory of matter. We discuss how atoms combine together to form new compounds. Students review the law of conservation of mass and how the mass of the substances at the...
Curated Video
Preventing Corrosion: Understanding Rusting and Methods for Protection
The video talks about corrosion and its prevention methods. The video explains that water and oxygen are needed for rusting and demonstrates an experiment to investigate rusting. The video also discusses various methods of preventing...
Curated Video
Chemiluminescence: The Science Behind Glowing Reactions
Chemiluminescence is a light emission phenomenon due to a chemical reaction. Let's learn how and why this type of chemical reaction occurs. Luminescence part 1/3
TMW Media
Atomic Mass of an Element
This program covers the very important topic of atomic mass of an element. We begin by discussing the structure of the atom and how this can be used to arrive at a number that represents the relative mass of the atom. This quantity will...
TMW Media
Atomic Theory of Matter Part 2
This program covers part 2 of the very important topic of the atomic theory of matter. We discuss how atoms combine together to form new compounds. Students review the law of conservation of mass and how the mass of the substances at the...
TMW Media
Naming Molecular Compounds
This program covers the very important topic of naming molecular compounds. We begin by discussing how molecular compounds form and how they arise in nature. We discuss in detail the naming method for molecular compounds including all of...
TMW Media
Atomic Number, Mass Number & Isotopes Part 1
This program covers the very important topics known as atomic number, mass number, and isotopes. We begin by discussing the structure of the atom and how the atomic number is used to organize the periodic table. We discuss the mass...
Curated Video
How Lead Acid Batteries Work
In this video, we're going to learn about lead acid batteries and how they work. We'll cover the basics of lead acid batteries, including their composition and how they work.
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: Hess's Law
If we want to find out some information regarding the enthalpy change of a reaction, but we don't want to perform the reaction, we can use Hess's law, which allows us to manipulate thermochemical data for related reactions. Let's...
FuseSchool
Theoretical Yield & Losses
What are Theoretical yield and losses? This is an important concept within Chemistry. In this video we will discover this answer together!
Professor Dave Explains
Practice Problem: Diels-Alder Reactions
Rings upon rings! Forwards and backwards! Give these a shot.
Professor Dave Explains
Liquid-Liquid Extraction
Separation techniques are important in chemistry, and they won't always be as easy as filtration. Sometimes we need to separate two compounds that are dissolved in the same solution. Often we can take advantage of a difference in...
FuseSchool
Testing for chlorides, bromides and iodides
Learn the basics about Testing for chlorides, bromides and iodides. What are these and which methods are used to test them? Find out more in this video!
Professor Dave Explains
Practice Problem: Enthalpy of Combustion
Stoichiometry for combustion? You bet! If we know about moles, we can calculate energy changes. Give it a try!
Professor Dave Explains
Cholera: Vibrio cholerae O1 and O139
What is cholera exactly? Believe it or not, this disease isn't gone, it's still an issue in various parts of the world. It's caused by Vibrio cholerae, and in particular two serotypes of this bacterium. Let's get some details!
Professor Dave Explains
Introduction to Chemistry Laboratory Techniques
We've learned a lot of chemistry together, but now it's time to jump into the lab and put it to use! What are some common techniques that every chemistry student and budding chemist must know? Let's go through these step-by-step, with...
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.
Professor Dave Explains
Writing Chemical Equations in Words
Sometimes we want to talk about chemistry without using fancy symbols, just with words. Shouldn't we be able to do that? Yes, we should! Here's how.
Science Buddies
Turn Milk Into Plastic
Have you ever heard that plastic can be made out of milk? There is no magic to it, just science! Don't believe it? Then do the activity shown in this video to see for yourself!