Page 34 - MODERN ELECTROCHEMISTRY

NOMENCLATURE

Other units
Symbol Name SI unit frequently used

GENERAL
A area of an electrode–solution interface
activity of species i
concentration of species i M, N
bulk concentration M, N
E total energy J
F force N
frictional coefficient J
partition function of species i
radial pair distribution function
frequency
k wave vector
m mass kg
n number of moles
N number of molecules
p momentum
radial momentum
P pressure Pa atm

For each symbol the appropriate SI unit is given. Multiples and submultiples of these units are equally
acceptable and are often more convenient. For example, although the SI unit of concentration is
concentrations are frequently expressed in (or M), or

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