# Introduction and Key Concepts

> This section is open and closed systems, reversible reactions, and chemical equilibrium. You define the three official terms, then list the factors that influence the position of an equilibrium. It…

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## Full notes

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## More in Chemical Equilibrium

- [Le Châtelier’s Principle](https://www.hlayiso.com/grade-12/physical-sciences/notes/chemical-equilibrium/le-chteliers-principle) — Next section
- [All Chemical Equilibrium sections](https://www.hlayiso.com/grade-12/physical-sciences/notes/chemical-equilibrium)

## Frequently asked questions

### What will I learn in "Introduction and Key Concepts"?

This section covers Introduction and Key Concepts as part of Chemical Equilibrium in Grade 12 Physical Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Introduction and Key Concepts", are written against the official CAPS curriculum and ATP for Grade 12 Physical Sciences.

### What should I study after "Introduction and Key Concepts"?

Continue with the next section in Chemical Equilibrium, or test your understanding with the interactive quiz linked to this section.

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