Electrochemistry Flashcards
1
Q
What is an electrochemical cell?
A
An electrochemical cell is a contained system in which oxidation-reduction reactions occur.
2
Q
What are the three types of electrochemical cells?
A
- Galvanic Cells ( also called Voltaic cells)
- Concentrations Cells
- Electrolytic Cells
3
Q
What type of electrochemical cell contains spontaneous reactions and what type contains non?
A
Galvanic and concentration cells contain spontaneous reactions while electrolytic cells contain nonspontaneous reactions.
4
Q
What is the relationship between spontaniety and EMF value within electrochemical cells?
A
If the electrochemical cell has a positive EMF, the cell contains spontaneous reactions (galvanic and concentration cells). If the electrochemical cell has a negative EMF, the cell contains nonspontaneous reactions (electrolytic cells).
