Electrochemistry & Redox
13 terms
Electrochemical Cell
Electrochemistry & Redox
V
A device in which a redox reaction and an electric current are interconverted through two separated electrodes.
Electrochemical Equivalent
Electrochemistry & Redox
g/C
The mass of a substance liberated by the passage of one coulomb of charge.
Z = M / (nF)
Electrochemical Series
Electrochemistry & Redox
V
A list of redox couples arranged in order of their standard electrode potentials.
Electrochemistry
Electrochemistry & Redox
V
The study of the relationship between chemical change and electrical energy.
Electrode
Electrochemistry & Redox
Dimensionless
A conductor through which electric current enters or leaves an electrolyte.
Electrolysis
Electrochemistry & Redox
C
The decomposition of an electrolyte by passing an electric current through it.
Electrolyte
Electrochemistry & Redox
S/m
A substance that produces mobile ions when dissolved or molten and therefore conducts electricity.
Electrolytic Cell
Electrochemistry & Redox
V
An electrochemical cell in which an external electrical supply drives a non-spontaneous redox reaction.
E°cell < 0
Electrolytic Conductivity
Electrochemistry & Redox
S/m
The ability of an electrolyte solution to conduct electric current, equal to the reciprocal of its resistivity.
κ = (1/R)(l/A)
Electromotive Force
Electrochemistry & Redox
V
The maximum potential difference a cell can produce, measured when no current is being drawn.
emf = E_cathode − E_anode
Electroplating
Electrochemistry & Redox
g
The deposition of a thin metal coating onto a conducting surface by electrolysis.
Electrorefining
Electrochemistry & Redox
Dimensionless
The purification of a metal by dissolving it from an impure anode and depositing it in pure form at the cathode.
Electrowinning
Electrochemistry & Redox
kWh/kg
The extraction of a metal from a solution or molten salt of its ore by electrolysis.