Unit C focuses on electrochemical reactions. Electrochemical reactions are reactions in which electrons are transferred. These types of reactions may be the most critical on earth because they include photosynthesis and respiration. Electrochemical reactions are also very important in the field of technology. The study and application of electrochemistry has enabled scientists to find many solutions to common, everyday problems.

By the end of Unit C you will be able to

• Explain the nature of oxidation-reduction reactions
  
  
• Apply the principles of oxidation-reduction to electrochemical cells
  
  
• Analyze scientific and technological systems that apply electrochemical principles

Unit C consists of two modules: