Unit B: Electrochemical Changes
Themes: Change and Energy
Overview: In this unit, students study electrochemical change and analyze the matter and energy changes within a system.
This Unit Builds On:
Course Focus: We will spend ~30% of the course on this unit.
Students Will:
Key Concepts:
Overview: In this unit, students study electrochemical change and analyze the matter and energy changes within a system.
This Unit Builds On:
- Science 9, Unit D: Electrical Principles and Technologies
- Science 10, Unit A: Energy and Matter in Chemical Change.
- Chemistry 20, Unit A: The Diversity of Matter and Chemical Bonding
- Chemistry 20, Unit D: Quantitative Relationships in Chemical Changes
Course Focus: We will spend ~30% of the course on this unit.
Students Will:
- Explain the nature of oxidation-reduction reactions.
- Apply the principles of oxidation-reduction to electrochemical cells.
Key Concepts:
- oxidation
- reduction
- oxidizing agent
- reducing agent
- oxidation-reaction (redox) reaction
- oxidation number
- half-reaction
- disproportionation
- spontaneity
- standard reduction potential
- voltaic cell
- electrolytic cell
- electrolysis
- standard cell potential
- Faraday's law
- corrosion