Unit D: Chemical Equilibrium Focusing on Acid-Base Systems
Themes: Change, Systems and Equilibrium
Overview: In this unit, the concept that chemical change eventually attains equilibrium is developed, followed by a focus on the quantitative treatment of reaction systems involving acid-base solutions.
This Unit Builds On:
Course Focus: We will spend ~30% of the course on this unit.
Students Will:
Key Concepts:
Overview: In this unit, the concept that chemical change eventually attains equilibrium is developed, followed by a focus on the quantitative treatment of reaction systems involving acid-base solutions.
This Unit Builds On:
- Grade 8, Unit A: Mix and Flow of Matter
- Science 10, Unit A: Energy and Matter in Chemical Change
- Chemistry 20, Unit C: Matter as Solutions, Acids and Bases
- Chemistry 20, Unit D: Quantitative Relationships in Chemical Changes
Course Focus: We will spend ~30% of the course on this unit.
Students Will:
- Explain that there is a balance of opposing reactions in chemical equilibrium systems.
- Determine quantitative relationships in simple equilibrium systems.
Key Concepts:
- chemical equilibrium systems
- reversibility of reactions
- Le Chatelier's principle
- equilibrium law expression
- equilibrium constants Kc, Kw, Ka, Kb
- acid-base equilibrium
- Bronsted-Lowry acids and bases
- titration curves
- conjugate pairs of acids and bases
- amphiprotic substances
- buffers
- indicators