AQA GCSE Combined Science Trilogy · 8464
Specification 5.3.1.3, 5.6.2.3, 6.1.2.1, 6.5.5.2 · Paper 3, Paper 4, Paper 5, Paper 6
A system in which matter cannot enter or leave. Its total mass remains constant during a chemical reaction.
Revise: Mass Changes Involving GasesIn a closed system, no matter enters or leaves, so the mass of the container and all its contents stays the same.
- Revise: Chemical Equilibrium
- Revise: Energy Transfers
A system in which no energy is transferred into or out of the system, so its total energy remains constant.
1 more note
- Revise: Conservation of Momentum
A system with no resultant external force acting on it, so its total momentum remains constant.