# Classroom Resources: Equilibrium

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1 – 15 of 15 Classroom Resources

• Establishing Equilibrium | High School

### Access is an AACT member benefit. Activity: Animation Activity: Equilibrium

In this activity, students will use an animation to visualize equilibrium with the examples of water and a piece of chalk (CaCO3). They will see the relationship of H+ and OH– with water molecules, as well as the autoionization of water. Students will see that once equilibrium is established, there is no net change in the ions in solution, as when one set of particles dissolves, another set of particles will recombine.

• Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants | High School

### Access is an AACT member benefit. Demonstration: Le Châtelier’s Principle and Shifting Equilibrium

In this demonstration, students will be introduced to the concepts of Le Châtelier’s Principle and reversible reactions through the formation of a copper-ammonia complex ion.

• Establishing Equilibrium, Equilibrium Constants, Reaction Quotient, Graphing | High School

### Access is an AACT member benefit. Activity: Shaking Dice to Model Equilibrium Principles

In this activity, students work together in small groups using a variety of multi-sided dice to model the dynamic character of a chemical equilibrium. Students will collect, share and analyze data in order to understand that the rate of a chemical reaction depends on the concentration of reactants (and products) as modelled by the different sided dice.

• Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Reaction Quotient | High School

### Access is an AACT member benefit. Activity: Le Châtelier's Principle Particulate View

In this activity, students will gain a better understanding of how applying a stress to a reaction system will shift the equilibrium. The students will be able to predict the direction a reversible reaction will shift based of the value of the reaction quotient (Q) and the equilibrium constant (K). This activity should be completed after students have completed the activity “Equilibrium Particulate View.”

• Establishing Equilibrium, Equilibrium Constants, Reaction Quotient | High School

### Access is an AACT member benefit. Activity: Equilibrium Particulate View

In this activity, students will gain a better understanding of what it means for a reaction to be in a state of equilibrium and how a reaction progresses over time to establish equilibrium. Students will also relate the equilibrium constant to the amount of products and reactants present at equilibrium.

• Le Châtelier's Principle, Establishing Equilibrium | High School

### Access is an AACT member benefit. Lab: A Greener Le Châtelier’s Principle Lab

In this lab, students will explore Le Châtelier’s Principle using non-toxic materials, while still visualizing the equilibrium shifts through color changes. Traditionally, equilibrium experiments and Le Châtelier’s Principle are illustrated using chemicals that undergo color changes as the equilibrium position shifts such as cobalt (IV) chloride and iron (III) thiocyanate. While these reactions effectively demonstrate Le Châtelier’s Principle, they utilize reagents that are toxic.

• Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Reaction Quotient | High School

### Lesson Plan: Equilibrium Unit Plan

The AACT high school classroom resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach equilibrium to your students.

• Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Reaction Quotient | High School

### Access is an AACT member benefit. Lesson Plan: Discovering Equilibrium

In this lesson students manipulate sets of given conditions to discover what equilibrium is, and how the equilibrium is established from different starting conditions. Students then refer back to the activity as the foundation framework for the rest of Essential Knowledge 6.A, 6.B.1 and 6.B.2. This lesson focuses on both a qualitative and quantitative understanding of equilibrium.

• Le Châtelier's Principle, Establishing Equilibrium | High School

### Simulation: Predicting Shifts in Equilibrium: Q vs K

In this simulation, students will take a 15 question quiz. Each quiz question has two parts. The first part requires the student to calculate the value of the reaction quotient, Q. In the second portion of the question, the students will compare the value of Q to the equilibrium constant, K, and predict which way the reaction will shift to reach equilibrium. The simulation includes five different reactions which each have three scenarios: Q > K, Q = K, and Q < K.

• Le Châtelier's Principle, Establishing Equilibrium | High School

### Access is an AACT member benefit. Activity: Simulation Activity: Predicting Shifts in Equilibrium: Q vs K

In this simulation, students will take a 15 question quiz. Each quiz questions has two parts. The first part requires the student to calculate the value of the reaction quotient, Q. In the second portion of the question, the students will compare the value of Q to the equilibrium constant, K, and predict which way the reaction will shift to reach equilibrium. The simulation includes five different reactions which each have three scenarios: Q > K, Q = K, and Q < K.

• Establishing Equilibrium | High School

### Access is an AACT member benefit. Activity: Equilibrium Introduction

In this activity, students perform a hands-on activity that models chemical equilibrium based on the article Equilibrium: A Teaching/Learning Activity by Audrey H. Wilson from the Journal of Chemical Education, Vol. 75, No. 9, September 1998.

• Establishing Equilibrium | High School

### Access is an AACT member benefit. Animation: Equilibrium Animation

In this animation, students will visualize equilibrium with the help of water and a piece of chalk (calcium carbonate). **This video has no audio**

• Heat, Temperature, Exothermic & Endothermic, Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Reaction Quotient | High School

### Access is an AACT member benefit. Demonstration: Le Châtelier’s Principle

In this demonstration, students will witness a system at equilibrium and apply different stresses to see how the equilibrium shifts.

• Heat, Temperature, Exothermic & Endothermic, Activation Energy, Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Reaction Quotient | High School

### Access is an AACT member benefit. Activity: Reversible Reactions Simulation

In this activity, students will investigate how temperature, activation energy, initial amounts of products and reactants, and type of reaction (exo- or endothermic) effect the equilibrium position of a reaction using a simulation.

• Reaction Rate, Reversible Reactions, Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Graphing | High School

### Access is an AACT member benefit. Lab: Dynamic Equilibrium Simulation

In this lab, students will explore equilibrium using paper clips to mimic a chemical reaction.

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