Chapter 12 - Electrochemistry

Question 1

Electrochemical Cell

Answer 1

Any cell in which oxidation-reduction reactions take place

Question 2

Electrodes

Answer 2

Strips of metal or other conductive materials placed in electrolyte solution

Question 3

Anode

Answer 3

Always the site of oxidation
- Attracts anions

Question 4

Cathode

Answer 4

Site of reduction
- Attracts cations

Question 5

Galvanic (voltaic) Cells

Answer 5

House spontaneous reactions with a positive electromotive force

Question 6

Electrolytic Cells

Answer 6

House nonspontaneous reactions with a negative electromotive force

Question 7

Concentration Cells

Answer 7

Specialized form of a galvanic cell in which both electrodes are made of the same material

Question 8

Rechargeable Batteries

Answer 8

Electrochemical cells that can experience charging (electrolytic) and discharging (galvanic) states

Question 9

Surge Current

Answer 9

Above average current transiently released at the beginning of the discharge phase

Question 10

Reduction Potential

Answer 10

Quantifies the tendency for a species to gain electrons and be reduced

Question 11

Nernst Equation

Answer 11

Describes the relationship between the concentration of species in a solution under nonstandard conditions and emf