Page 35 - MODERN ELECTROCHEMISTRY

xxxiv NOMENCLATURE

Other units
Symbol Name SI unit frequently used
vapor pressure of species i Pa atm
r, d, l distance m Å
T thermodynamic temperature K
t time s
U potential energy J
V volume
velocity
w work J
weight fraction of species i
molar fraction of species i
reduced mass
density
relaxation time s
wavelength m
wavenumber
angle o

ION– AND MOLECULE-RELATED QUANTITIES

a distance of closest approach m Å
p quadrupole moment of water debye
q Bjerrum parameter m
charge number of an ion i
symmetry factor
polarizability of species i
distortion polarizability of species i
compressibility
dipole moment debye esu cm
Debye–Hückel reciprocal length m

THERMODYNAMICS OF A SIMPLE PHASE

potential of zero charge V
energy of activation
molar Gibbs free-energy change
heat or enthalpy change
K equilibrium constant of the reaction