Hi, what do you want to do?
Professor Dave Explains
IIT/JEE Chemistry Practice #36: Precipitation Reactions
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Curated Video
Understanding Relative Formula Mass in Chemistry
The video discusses the concept of relative formula mass and how to calculate it using examples of simple and more complex compounds. The periodic table is used to find the atomic masses of the elements in the compound, which are then...
Curated Video
The Importance and Uses of Magnesium
In this video, we will explore the importance of magnesium, its properties, and its various applications in different industries. From being used in the aerospace and automotive industries for its lightweight and durable properties, to...
Professor Dave Explains
Solubility Product Constant (Ksp)
We've learned that some ionic solids are totally water insoluble, but in fact this is a slight oversimplification. Even such solids will dissolve to some minuscule degree, and we can measure this, and do calculations with it. Let's learn...
Steve Spangler Science
Milk of Magnesia - Cool Science Experiment
Learn from Steve how to perform a beautiful demonstration of how an antacid works. He puts a pH indicator solution into a beaker with a magnetic stirrer. He pours an acid in to show the red and a base to show the blue. Then he puts...
Khan Academy
Khan Academy: Practice Determining Oxidation States
Determining oxidation numbers in magnesium oxide and magnesium hydroxide.