Instructional Video9:56
Curated OER

Stoichiometry

7th - 10th
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...
Instructional Video14:28
Khan Academy

Balancing Chemical Equations

7th - 10th
Students are introduced to the process of balancing chemical equations. First, they see that a chemical equation describes the chemical reaction that takes place when two elements are combined. In chemistry, that reaction must be written...
Instructional Video3:12
Curated OER

Junior Chemistry: Balancing 2

9th - 12th
Using the combustion reaction of ethane as an example, Chemguy continues to explain how to balance chemical equations. Have your chemistry learners view this series of three videos at home before you begin teaching how to balance...