Handout
Shodor Education Foundation

Shodor: Equilibrium

For Students 9th - 10th
A presentation of the basics of chemical equilibrium, covering equilibrium expressions, Le Chatelier's principle, and sample calculations.
Handout
Simon Fraser University

Chem1 Virtual Textbook: How to Write Equilibrium Expressions

For Students 9th - 10th
Acting as an overview from the General Chemistry Virtual Textbook, this site explores a range of topics related to equilibrium expressions including concentrations and pressures in equilibrium expressions, unchanging concentrations,...
eBook
Simon Fraser University

Chem1 Virtual Textbook: Free Energy and Equilibrium

For Students 9th - 10th
With an overview of topics related to chemical equilibrium, this site provides a foundation to a study of thermodynamics and free energy. Topics covered include the equilibrium constant, equilibrium and temperature, coupled reactions,...
Handout
Simon Fraser University

Chem1 Virtual Textbook: All About Chemical Equilibrium

For Students 9th - 10th
Acting as an overview from the General Chemistry Virtual Textbook, this site explores a range of topics related to chemical equilibrium including chemical change, the Le Chatelier principle, the equilibrium quotient, and more.
Handout
Other

Amos Web Gloss Arama: Market Equilibrium

For Students 9th - 10th
This economic glossary site gives a basic definition of market equilibrium.
Website
Chem4kids

Chem4 Kids: More About Equilibrium

For Students 5th - 8th
Equilibrium in chemistry is two reactants combining together and then coming apart to their two parts. Review this resource featuring a way to approach chemical equilibrium.
Unit Plan
CK-12 Foundation

Ck 12: Forces in Translational Equilibrium

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] The following tutorial helps students to understand how to apply Newton's Second Law under equilibrium conditions in two dimensions.
Interactive
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Equilibrium Pressure of Reactants and Products

For Students 9th - 10th
Learn about the equilibrium pressures of chemical reactions. Follow the general steps used in calculating the pressures, and see some examples. Also find links to tutorials, presentation, and animations about other chemistry topics.
Handout
Wikimedia

Wikipedia: Mechanical Equilibrium

For Students 9th - 10th
Wikipedia provides information on mechanical equilibrium, the state of a mechanical system in which the sum of the forces on each particle of the system is zero.
Unit Plan
State University of New York

State University of New York: Disturbing a Chemical Equilibrium

For Students 9th - 10th
This system allows a system with a set of initial concentrations to come to equilibrium. Once that state is attained adjustments can be made by altering one or more species.
Unit Plan
State University of New York

State University of New York: Equilibrium Expressions

For Students 9th - 10th
In this module students are asked to build the equilibrium constant expression for the reaction shown.
Activity
Davidson College

Davidson College: Chemical Equilibria: Uncertainty in Equilibrium Calculations

For Students 9th - 10th
Discusses and explores the impact of random pressure errors on the equilibrium constant in a chemical reaction. Requires Java.
Lesson Plan
Alabama Learning Exchange

Alex: Equilibrium Constants

For Teachers 9th - 10th
This lesson is meant to give an introduction of equilibrium constant expressions to the students. They are given balanced chemical equations and then asked to write the equilibrium constant expressions for them. The students will be...
Interactive
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Effect of Changing Volume on Equilibrium Systems

For Students 9th - 10th
Learn how volume changes affect gas-phase reactions by altering their concentrations and reaction rates. View examples with solutions and a table of predicted equilibrium changes. Also find links to tutorials and animations of other...
Activity
Texas Instruments

Texas Instruments: Diffusion and Equilibrium

For Teachers 9th - 10th
Students will observe how equilibrium is reached when salt is added to water.
Unit Plan
State University of New York

State University of New York: Chromatography and Equilibrium

For Students 9th - 10th
The following simulation explores the process of of chromatography and equilibrium.
Unit Plan
State University of New York

State University of New York: The Meaning of the Equilibrium Constant

For Students 9th - 10th
This simulation shows a model of an equilibrium system for a unimolecular reaction.
Unit Plan
State University of New York

State University of New York: Equilibrium Constant Expressions

For Students 9th - 10th
This module simulates the reactions toward equilibrium for four systems with different stiochiometries.
Interactive
Davidson College

Davidson College: Chemical Equilibria: Equilibrium Constant

For Students 9th - 10th
Explains what the equilibrium constant is and presents a virtual experiment where its value must be determined in two chemical reactions. Requires Java.
eBook
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Liquids Condensation, Evaporation, Dynamic Equilibrium [Pdf]

For Students 9th - 10th
This online textbook chapter discusses dynamic equilibrium between liquids and gases, boiling liquids, and particle attractions. Many pictures help to explain the concepts. Also find a detailed chapter review at the end to check for...
Handout
Chem4kids

Chem4 Kids: Equilibrium Basics

For Students 3rd - 8th
This Chem4Kids.com site explains what equilibrium is in easy-to-understand language. Content includes a great example, as well as exploring different things which effect the position of equilibrium.
Activity
TeachEngineering

Teach Engineering: Sum It Up: An Introduction to Static Equilibrium

For Teachers 9th - 10th
Students are introduced to static equilibrium by learning how forces and torques are balanced in a well-designed engineering structure. A tower crane is presented as a simplified two-dimensional case. Using Popsicle sticks and hot glue,...
Unit Plan
Georgia Department of Education

Ga Virtual Learning: Ap Chemistry: Kinetics and Equilibrium

For Students 9th - 10th
Through interactive activities in a module format, students learn about kinetics, collision theory, reaction rates, and rate laws. They will calculate rate laws from experimental data, concentration and time, and half-life of a reaction....
Unknown Type
Khan Academy

Khan Academy: Changes in Equilibrium

For Students 9th - 10th
Practice more challenging questions about changes in market equilibrium that happen when supply or demand (or both!) change in this exercise. This resource is designed as a review for the AP Macroeconomics Test or a college-level...

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