Reduction
gain electrons; oxidizing agent
Oxidation
lose electrons; reducing agent
Work
(J)= E x q
work done on surroundings
negative delta G
delta G
negative work
-nFE
P
=EI
I
=Q/t
E
=IR
Anode
oxidized
Cathode
reduced
E
E+-E-
Right electrode
E+
Left electrode
E-
E
=Ecell-RTlnQ/nF
K
=e^(-delta G cell/RT) or
=10^(nEcell/0.052)
Ecell
=0.0592logk/n
Galvanic
positive E cell
negative delta G
k >1
spontaneous
Electrolytic
negative E cell
positive delta G
k <1
non spontaneous