Section 16.3- Voltaic Cells

Question 1

compact, portable sources of electricity

devices that convert the chemical potential energy of spontaneous redox chemical reactions into electric energy

Answer 1

voltaic cells

Question 2

a listing of metals by their relative ease of oxidation

Answer 2

activity series

Question 3

when two different metals are involved in a redox reaction, the metal higher up in the activity series will be ___________ and give up electrons, reducing the cation of the less active metal

Answer 3

oxidized

Question 4

a tube filled with a nonreactive electrolyte that takes the place of the porous divider in equalizing charges

allows for less mixing of the solutions, prolonging the life of the cell

Answer 4

salt bridge

Question 5

the more active a substance is, the _________________ the negative charge that develops when the substance is at equilibrium with an electrolyte solution

Answer 5

stronger

Question 6

chemists often express the tendency of a substance to form a stronger or weaker charge when place in an electrolyte as the substance’s

Answer 6

standard electrode potential (E*)

Question 7

the half-cell containing the hydrogen apparatus is the

Answer 7

standard hydrogen electrode (SHE)