Classroom Resources: Equilibrium
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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, Equilibrium Constants, Reaction Quotient  High School
Lesson Plan: Q, K, and Le Chatelier
In this lesson students practice applying Q vs K as an explanatory tool in a simulation and demonstration. In both activities, students will consider how a change in concentration of one species subsequently effects all the species as equilibrium is reestablished.

Le Châtelier's Principle, Equilibrium Constants  High School
Activity: Equilibrium in a Beaker
In this activity, students will model equilibrium reactions using plastic chips to represent atoms. The goal of the lesson is to connect the symbolic model of an equilibrium reaction to its particle model.

Reaction Rate, Exothermic & Endothermic, Le Châtelier's Principle, Hess's Law, Activation Energy  High School
Lab: Kinetics and Equilibrium
In this lab, students will investigate the reaction of the hydrogen sulfite ion (HSO3) and the iodate ion (IO3) to determine the effect that changing concentration and temperature has on the reaction rate.

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

Concentration, Reversible Reactions, Le Châtelier's Principle  High School
Lab: Le Chatelier’s Soda
In this lab, students will observe how the equilibrium of a chemical reaction is affected when a change in pressure, temperature, and concentration is applied to the system.

Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants  High School
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.

Indicators, Le Châtelier's Principle  High School
Demonstration: Milk of Magnesia Magic
In this demonstration, students will observe a color change in a milk of magnesia solution as vinegar is added.
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