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Chemical equilibrium and Le Chatelier's principle

This 11th-grade classroom material explores chemical equilibrium and Le Chatelier's principle through question-based exercises on reversible reactions, dynamic equilibrium, and K expressions, including predicting shifts in the Haber process. Students practice identifying equilibrium statements, ordering steps, and applying principles to analyze reactions.

By Edform · Chemistry · Grade 11 · Published Oct 15, 2026 · New

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Questions

  1. Which statement best describes a chemical system at dynamic equilibrium?
  2. Which changes will shift the equilibrium of the Haber process (N₂ + 3H₂ ⇌ 2NH₃) to the right, favoring ammonia production?
  3. Put these steps in the correct order for writing the equilibrium constant (K) expression for the reaction: 2SO₂(g) + O₂(g) ⇌ 2SO₃(g).
  4. Fill in the blank: According to Le Chatelier's principle, if the concentration of a reactant is increased, the equilibrium will shift to ___ to produce more products.
  5. For the reaction 2NO₂(g) ⇌ N₂O₄(g), indicate whether each statement is true or false.

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