Professor Dave Explains
Polynuclear Transition Metal Complexes
In previous videos, we have discussed complexes with a single metal center, but in this video we will focus on polynuclear transition metal complexes. Let's go through a couple examples and review how to check that the 18-electron rule...
Professor Dave Explains
Calculating Ion Concentrations in Solution
We know that concentration is typically expressed with molarity, which is moles per liter. But how do we know how many moles of solute are present in solution when an ionic solid dissolves in water? It's not so simple because these will...
Professor Dave Explains
The Mole: Avogadro's Number and Stoichiometry
Yes, I know moles are adorable furry creatures. This is a different kind of mole! A numerical mole. And we need to understand them to be able to make predictions about reactions. Let Professor Dave take you through the finer points.
Professor Dave Explains
Balancing Chemical Equations
Atoms don't just appear and disappear into thin air, you silly goose. What are you, a magician? When we have a chemical equation we will have to balance it. Here's how to do it!
Curated OER
Stoichiometry
Sal introduces students of chemistry to "Stoichiometry," which is the calculation of measureable relationships of the reactants and products in a chemical reaction. Sal sets up a balanced chemical equation and then, using the Periodic...
Curated OER
Stoichiometry Example Problem 1
The reaction of Phosphorus and Chlorine is the focus of this video on Stoichiometry. Sal sets up a reaction between the two substances, and uses the process of Stoichiometry in order to calculate how many grams of Phosphorus Trichloride...
JFR Science
Limiting and Excess Reagents
Sometimes things are just left over. An informative video in the JFR Science series highlights limiting and excess reactants in a chemical reaction. It explains the process of solving stoichiometry problems with limiting reactants.
JFR Science
Solution Stoichiometry: How Much Vinegar Is Needed to Clean My Teapot?
Solution stoichiometry ... reducing waste, one calculation at a time. Chemistry scholars examine the concepts and calculations involved in solution stoichiometry with a video from JFR Science. The narrator gives examples of when to use...
JFR Science
Gas Stoichiometry: How Does an Airbag Work?
Airbags save lives ... and combining the Gas Laws and stoichiometry saves time. Find out how airbags inflate using a video from JFR Science. Topics covered include the Ideal Gas Law, standard temperature and pressure, and how to combine...
JFR Science
Mole Ratio: How Are Moles Like Money?
Give your class a wealth of knowledge in mole money! Young chemists learn the fundamental concept of mole ratios through a video from JFR Science. The narrator covers conversion factors, creating mole ratios from balanced chemical...
Socratica
Chemistry: Stoichiometry Part 2—Mass to Mass Conversions
The term stoichiometry derives from the Greek words stoicheion meaning element and metron meaning measure. The second Socratica video in a two-part series within a larger chemistry playlist introduces more complex stoichiometry...
Socratica
Chemistry: Intro to Stoichiometry with Grilled Cheese Sandwiches
What do grilled cheese sandwiches have to do with chemistry? Show your class the answer and introduce them to stoichiometry using an intriguing video from the Socratica chemistry playlist. Through an easy example—making a grilled cheese...
Teacher's Pet
Stoichiometry
Moles, grams, particles, volume ... how do I keep them all straight? Help pupils sort out the terms and calculations used in stoichiometry with a video tutorial. Topics include mole ratios, molar mass, molar volume, and common...
Teacher's Pet
Percent Yield
How do chemists know if they've done a good job performing a reaction? They use the percent yield equation! Introduce the calculation that often determines success (or otherwise) in the lab with a short video. The narrator explains...
Teacher's Pet
Arithmetic of Equations
Every great chemistry teacher has a stoichiometry toolbox full of lessons designed to chisel away at misconceptions and confusion. It's time to make room for something new! Incorporate a brief but detailed video that walks junior...
Teacher's Pet
Molar Conversions
Start stoichiometry scholars off on the path to success with a short video. The narrator of this interesting video guides viewers through the concepts of the mole, molar mass, and Avogadro's number. Additional topics include converting...
Educreations
Chemical Analysis Problems
Dive into AP chemistry problems to practice concepts at a high level. A video presentation presents two problems for chemical analysis. Learners see how to analyze an empirical formula or chemical equation in relation to the mass of...
Crash Course
Stoichiometry: Chemistry for Massive Creatures
Moles exist in chemistry? These are not animals that live underground and dig through your gardens — they are quantities of elements. Learn about moles and how they help chemists determine amounts of substances (from atomic mass to grams).
Educreations
Stoichiometry Practice
Build a solid understanding of reactants used and products produced in a chemical reaction with a lesson that begins with a basic stoichiometry problem and advances to questions involving limiting reactants and percent yields.
Berkeley University of California
Stoichiometry
Can you say stoichiometry five times quickly? Watch an informative video to learn the basics of stoichiometry, including how to pronounce it. Viewers also learn the relationship between the number of grams, number of moles, and...
Educreations
Writing & Balancing Combustion Equations
Heat things up in your high school chemistry class with a instructional video on combustion reactions. Starting off with a brief explanation of combustion and the different chemicals involved, this resource walks step by step...
JFR Science
Percent Yield: Determining the Success of a Chemical Reaction
Are you looking for a resource that will yield great results? Scholars view a video in the JFR Science playlist that shows the method for computing percent yield. It highlights the equation and explains how to find each component.
Khan Academy
Khan Academy: Chemistry: Introduction to Stoichiometry
A video lecture giving examples of how to complete stoichiometry problems. The video shows how to calculate the number of grams of each reactant needed to complete the reaction. Also shown is how to determine the limiting reactant in the...