APPENDIXC SYMBOLS FORPHYSICALQUANTITIES 473
(continued from previous page)
Symbol Physical quantity SI unit
K thermodynamic equilibrium constant (dimensionless)
Ka acid dissociation constant (dimensionless)
Kp equilibrium constant, pressure basis Pa
P
Ks solubility product (dimensionless)
kH;i Henry’s law constant of speciesi,
mole fraction basis Pa
kc;i Henry’s law constant of speciesi,
concentration basis Pa m^3 mol ^1
km;i Henry’s law constant of speciesi,
molality basis Pa kg mol ^1
l length, distance m
L relative partial molar enthalpy J mol ^1
M molar mass kg mol ^1
M magnetization A m ^1
Mr relative molecular mass (molecular weight) (dimensionless)
m mass kg
mi molality of speciesi mol kg ^1
N number of entities (molecules, atoms, ions,
formula units, etc.) (dimensionless)
n amount of substance mol
P number of phases (dimensionless)
p pressure Pa
partial pressure Pa
P dielectric polarization C m ^2
Q electric charge C
Qsys charge entering system at right conductor C
Qrxn reaction quotient (dimensionless)
q heat J
Rel electric resistance
S entropy J K ^1
s solubility mol m ^3
number of species (dimensionless)
T thermodynamic temperature K
t time s
Celsius temperature C
U internal energy J
V volume m^3
v specific volume m^3 kg ^1
velocity, speed m s ^1
w work J
mass fraction (weight fraction) (dimensionless)
