AQA GCSE Chemistry · 8462
Specification 4.3.1.3, 4.6.2.3, 4.6.2.5 · Paper 1, Paper 2
A system in which matter cannot enter or leave; a sealed reaction vessel is a closed system.
Revise: Mass Changes in Gas ReactionsClosed system: total measured mass remains constant.
- Revise: Dynamic Equilibrium
A system in which substances cannot enter or leave, so reactants and products cannot escape.
- Revise: Concentration Effects on Equilibrium
A container or apparatus from which reactants and products cannot escape.