Article
Khan Academy

Khan Academy: Stoichiometry

For Students 9th - 10th
How to use mole ratios from a balanced reaction to calculate amounts of reactants.
Unit Plan
Georgia Department of Education

Ga Virtual Learning: Chemistry: Stoichiometry

For Students 9th - 10th
Through informational text, interactive practice problems, video clips, and real-world application, students are introduced to the science of Stoichiometry.
Whiteboard
ClassFlow

Class Flow: Rates of Change

For Teachers 9th - 10th
[Free Registration/Login Required] This is part 4 of a 4 part series to include the nature of chemical reactions, reaction types, and balancing chemical equations.
Activity
Educaplus (Jesús Peñas Cano)

Educaplus: Ajuste De Reacciones [In Spanish]

For Students 9th - 10th
Practice how to balance simple chemical reactions.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Le Chatlier's Principle: Determining Color of Nitrogen Dioxide

For Teachers 9th - 10th
Students observe the effects of temperature change on the color of nitrogen dioxide and dinitrogen tetroxide by manipulating glass tubes containing the gases at equilibrium. Then, they write a balanced equation for the reaction and...
Unit Plan
CK-12 Foundation

Ck 12: Salt Solutions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Students begin by predicting whether a salt solution is acidic, basic, or neutral, and then practice writing balanced equations for hydrolysis reactions. They also...
Activity
PBS

Pbs Teachers: Submarine Race Experiment

For Students Pre-K - 1st
Balance the force of gravity with the force of the expanding gasses created by mixing baking soda and vinegar. Create a soda bottle submarine that sinks to the bottom of the bathtub and then rises back to the surface.
eBook
Other

Chem Team: Stoichiometry: Volume Volume Stoichiometry

For Students 9th - 10th
Understand volume-volume stoichiometry with these volume-based example problems worked with solutions and explanations.