Dynamic equilibrium
Dynamic equilibrium
A reversible reaction can proceed in both directions, for example N2(g)+3H2(g)⇌2NH3(g)N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)N2(g)+3H2(g)⇌2NH3(g). In a closed system, none of the substances can escape, so both directions can continue.
Step-by-step lessons covering Eduqas A Level Chemistry Simple equilibria and acid-base reactions for A Level Chemistry. Each lesson works through exam-style questions in Component 1, Component 2 and Component 3 format. 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.