Key term for OCR GCSE Chemistry A, used in Equilibria.
A system where matter can be lost to or gained from the surroundings, preventing equilibrium if gases escape.
Open system appears in OCR GCSE Chemistry A revision content for Monitoring and controlling chemical reactions, especially Equilibria and Dynamic Equilibrium.
Monitoring and controlling chemical reactions
Dynamic Equilibrium
Chemical reactions
Periodic Table Formulae
Chemical reactions
Writing Balanced Equations
Elements, compounds and mixtures
Empirical Formulae Calculations
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Chemical reactions
Introducing chemical reactions • Writing Balanced Equations
