Predicting Equilibrium Shifts with Le Chatelier
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Objective
I can predict how changes in concentration, pressure, or temperature affect equilibrium using Le Chatelier's principle.
Part 1 of 4
Warm-up video
Professor Dave Explains · 4:09Vetted channel
We don't generate video — this one is by Professor Dave Explains on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Le Chatelier's principle states that a system at equilibrium will shift to relieve stress induced upon it.
- 2
Stresses on a system can include changes in concentration, temperature, or volume/pressure.
- 3
For reactions involving gases, decreasing the volume will increase the pressure, causing the equilibrium to shift towards the side with fewer particles.
Part 3 of 4
Practice
12 questions
State Le Chatelier's principle in your own words.
For the reversible reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), predict the shift in equilibrium if more N₂ is added to the system.
Part 4 of 4
Exit ticket
Quick comprehension check
“Consider the following reaction at equilibrium: N₂(g) + 3H₂(g) ⇌ 2NH₃(g) + heat. Predict the shift in equilibrium (left, right, or no change) if: (a) the concentration of N₂ is increased, (b) the temperature is decreased, and (c) the pressure is increased.”
Sample answer included in the free materials
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