Electrochemistry & Redox
5 terms
Faraday Constant
Electrochemistry & Redox
C/mol
The electric charge carried by one mole of electrons.
F = 96,485 C/mol
Faraday's First Law of Electrolysis
Electrochemistry & Redox
g
The mass of a substance liberated at an electrode is directly proportional to the quantity of electricity passed.
m = Z I t
Faraday's Second Law of Electrolysis
Electrochemistry & Redox
g
When the same quantity of electricity passes through different electrolytes, the masses deposited are proportional to their chemical equivalent weights.
m₁/m₂ = E₁/E₂
Free Energy and Cell Potential
Electrochemistry & Redox
kJ/mol
The relation linking the Gibbs energy change of a cell reaction to the electromotive force it generates.
ΔG = −nFE
Fuel Cell
Electrochemistry & Redox
V
An electrochemical cell that generates electricity continuously from a fuel and oxidant supplied from outside.