Le Chatelier's interest in thermodynamics and building materials such as cement and plaster led to the Le Chatelier Principle in 1884. Activity 13 in a series of 36 extensively explores chemical equilibrium. Learners read about reversible and irreversible reactions, equilibrium in different states of matter, and use the Law of Equilibrium in numerous calculations. They finish by reading, discussing, and applying Le Chatelier's Principle. 

Concepts

chemical equilibrium, dynamic equilibrium, le chatelier's principle

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Additional Tags

science

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Instructional Ideas

• Teachers may want to allow calculators

Classroom Considerations

• Duration of activity depends upon level of learners, length of classes, and discussions
• Activity best fits higher-level high schoolers

Pros

• Activity provides an 18-question terminal exercise to determine if pupils have mastered concepts
• Includes a key for all in-text questions 

Cons

• None

Common Core

RST.9-10.4