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Reversible reactions and dynamic equilibrium

Reversible reactions and dynamic equilibrium

Sealed flask showing reactant A and product B interconverting, with forward and reverse rates becoming equal and concentrations becoming constant over time

A reversible reaction can go in both directions, so products can react to re-form reactants. For example, N2O4(g)⇌2NO2(g)N_2O_4\text{(g)} \rightleftharpoons 2NO_2\text{(g)}N2​O4​(g)⇌2NO2​(g) has a forward reaction and a reverse reaction.

Chemical equilibria and Le Chatelier's principle Lesson

  1. A Level
  2. /Chemistry
  3. /Chemical equilibria and Le Chatelier's principle

Step-by-step lessons on AQA A Level Chemistry Chemical equilibria and Le Chatelier's principle. Each one builds up to exam-style questions. Build confidence with atomic structure, bonding and moles calculations early on, since these underpin the more demanding organic mechanisms, equilibrium and practical-analysis topics that dominate Year 2.

Lessons