U3-2-5 - Electrochemistry Flashcards
1
Q
A
2
Q
A
3
Q
Electrolyte
A
Electrically conducting solution containing ions, e.g. salt solution.
4
Q
Electrode
A
A solid conductor (metal or graphite).
5
Q
Which non-metal can be used for electrodes?
A
Graphite
6
Q
Electricity passes through metal wires as a flow of _______.
A
electrons
7
Q
Electricity passes through an electrolyte solution as a flow of _______.
A
ions
8
Q
What is the direction of electron flow in electrochemical cells?
A
From the metal higher in the electrochemical series to the one lower
(if you look at the ECS, e– flow down)
9
Q
Metals far apart in the ECS produce ________ voltages than metals close together.
A
higher
10
Q
Which pairs of metals produce higher voltages:
far apart in the ECS
close to each other in the ECS?
A
Metals far apart
