Code |
Property |
Unit |
Critical
properties |
||
TC |
Critical temperature |
K |
PC |
Critical pressure |
kPa |
VDC |
Critical density |
kg/m3 |
VC |
Critical molar volume |
m^{3}/mol |
VSC |
Critical specific volume |
m^{3}/kg |
ZC |
Critical compressibility |
Dimensionless |
TLC |
Lower consulate temperature |
K |
TUC |
Upper consulate temperature |
K |
Vapor pressure, Boiling temperature, and Azeotropic T
& P |
||
PV |
Vapor or Sublimation pressure |
kPa |
TBN |
Normal boiling temperature |
K |
TB |
Boiling temperature at pressure P |
K |
PA |
Azeotropic pressure |
kPa |
TA |
Azeotropic temperature |
K |
Phase transition
properties |
||
T |
Triple point temperature |
K |
P |
Triple point pressure |
K |
TMN |
Normal melting temperature |
K |
T |
Quadruple (quintuple) point temperature |
K |
P |
Quadruple (quintuple) point pressure |
K |
T |
Solid-liquid equilibrium temperature |
K |
T |
Liquid-liquid equilibrium temperature |
K |
TE |
Eutectic temperature |
K |
HTR |
Enthalpy of transition or fusion |
kJ/mol |
YRC |
Cryoscopic constant |
1/K |
HVP |
Enthalpy of vaporization or sublimation |
kJ/mol |
Composition at phase
equilibrium |
||
XA# |
Azeotropic composition: mole fraction of component # |
Dimensionless |
WA# |
Azeotropic composition: weight fraction of component # |
Dimensionless |
VE# |
Eutectic composition: volume fraction of component # |
Dimensionless |
XE# |
Eutectic composition: mole fraction of component # |
Dimensionless |
WE# |
Eutectic composition: weight fraction of component # |
Dimensionless |
VL# |
Lower consulate composition: volume fraction of component # |
Dimensionless |
XL# |
Lower consulate composition: mole fraction of component # |
Dimensionless |
WL# |
Lower consulate composition: weight fraction of component # |
Dimensionless |
E# |
Mass per volume of solution: component # |
kg/m^{3} |
Q# |
Mass ratio to solvent: component # |
Dimensionless |
M# |
MolaLity of component # |
mol/kg |
J# |
MolaRity of component # |
mol/dm^{3} |
X# |
Mole fraction of component # |
Dimensionless |
XC# |
Mole fraction of component # in LLG critical state |
Dimensionless |
O# |
Mole ratio to solvent: component # |
Dimensionless |
N# |
Moles per mass of solution: component # |
mol/kg |
VU# |
Upper consulate composition: volume fraction of component # |
Dimensionless |
XU# |
Upper consulate composition: mole fraction of component # |
Dimensionless |
WU# |
Upper consulate composition: weight fraction of component # |
Dimensionless |
V# |
Volume fraction of component # |
Dimensionless |
B# |
Volume ratio to solvent: component # |
Dimensionless |
W# |
Weight fraction of component # |
Dimensionless |
WC# |
Weight fraction of component # in LLG critical state |
Dimensionless |
PH# |
Henry’s Law constant for mol fraction of component # |
kPa |
PHM# |
Henry’s Law K (molaLity) for component # |
kPa kg/mol |
PHJ# |
Henry’s Law K (molaRity) for component # |
kPa l/mol |
VLC |
Bunsen coefficient |
Dimensionless |
VLR |
Ostwald coefficient |
Dimensionless |
P# |
Partial pressure of component # |
kPa |
Activity, Fugacity, and Osmotic
properties |
||
AP# |
Activity of component # |
Dimensionless |
AC# |
Activity coefficient of component # |
Dimensionless |
F# |
Fugacity of component # |
kPa |
FC# |
Fugacity coefficient of component # |
Dimensionless |
PO |
Osmotic pressure |
kPa |
AOC |
Osmotic coefficient |
Dimensionless |
Volumetric
properties |
||
VDN |
Specific density |
kg/m^{3} |
VS |
Specific volume |
m^{3}/kg |
VDM |
Molar density |
mol/m^{3} |
VM |
Molar volume |
m^{3}/mol |
VVB |
2nd virial coefficient |
m^{3}/mol |
VVA |
2nd acoustic virial coefficient |
m^{3}/mol |
VVC |
3rd virial coefficient |
m^{6}/mol^{2} |
VVD |
3rd acoustic virial coefficient |
m^{6}/mol^{2} |
VV1 |
3rd interaction virial coefficient C112 |
m^{6}/mol^{2} |
VV2 |
3rd interaction virial coefficient C122 |
m^{6}/mol^{2} |
VVE |
Excess virial coefficient |
m^{3}/mol |
VVI |
Interaction virial coefficient |
m^{3}/mol |
VEX |
Excess volume |
m^{3}/mol |
VP# |
Partial molar volume of component # |
m^{3}/mol |
VR# |
Relative partial molar volume of component # |
m^{3}/mol |
VA |
Apparent molar volume |
m^{3}/mol |
VPA |
Adiabatic compressibility |
1/kPa |
VPT |
Isothermal compressibility |
1/kPa |
VTP |
Coefficient of expansion |
1/K |
Z |
Compressibility |
Dimensionless |
PTV |
Thermal pressure coefficient |
kPa/K |
Heat capacity and derived
properties |
||
CP |
Heat capacity at constant pressure Cp |
J/K/mol |
CPW |
Cp per unit mass |
J/K/kg |
CPV |
Cp per unit volume |
J/K/m^{3} |
CS |
Heat capacity at vapor saturation pressure Csat |
J/K/mol |
CV |
Heat capacity at constant volume Cv |
J/K/mol |
CVV |
Cv per unit volume |
J/K/m^{3} |
CGM |
Heat capacity ratio Cp/Cv |
Dimensionless |
S |
Standard entropy S(T)-S(0) |
J/K/mol |
H |
Standard enthalpy H(T)-H(0) |
kJ/mol |
H/T |
Enthalpy function {H(T)-H(0)}/T |
J/K/mol |
G/T |
Gibbs energy function {G(T)-H(0)}/T |
J/K/mol |
G |
Gibbs energy G(T)-H(0) |
kJ/mol |
UA |
Helmholtz energy A(T)-E(0) |
kJ/mol |
U |
Internal energy |
kJ/mol |
TJT |
Joule-Thompson coefficient |
K/kPa |
HPT |
Pressure coefficient of enthalpy |
J/mol/kPa |
Excess partial, and apparent energetic
properties |
||
HA |
Apparent enthalpy |
kJ/mol |
SA |
Apparent entropy |
J/K/mol |
GA |
Apparent Gibbs energy |
kJ/mol |
CPA |
Apparent molar heat capacity |
J/K/mol |
HEX# |
Enthalpy of mixing of a binary solvent with component # |
kJ/mol |
HEX |
Excess enthalpy (Enthalpy of mixing) |
kJ/mol |
SEX |
Excess entropy |
J/K/mol |
GEX |
Excess Gibbs energy |
kJ/mol |
CEX |
Excess heat capacity |
J/K/mol |
HP# |
Partial molar enthalpy of component # |
kJ/mol |
SP# |
Partial molar entropy of component # |
J/K/mol |
GP# |
Partial molar Gibbs energy of component # |
kJ/mol |
CP# |
Partial molar heat capacity of component # |
J/K/mol |
HR# |
Relative partial molar enthalpy of component # |
kJ/mol |
SR# |
Relative partial molar entropy of component # |
J/K/mol |
GR# |
Relative partial molar Gibbs energy of component # |
kJ/mol |
CR# |
Relative partial molar heat capacity of component # |
J/K/mol |
HS# |
Standard state enthalpy of component # |
kJ/mol |
SS# |
Standard state entropy of component # |
J/K/mol |
GS# |
Standard state Gibbs energy of component # |
kJ/mol |
CS# |
Standard state heat capacity of component # |
J/K/mol |
Transport
properties |
||
NVC |
Viscosity |
Pa s |
NVK |
Kinematic viscosity |
m^{2}/s |
NFL |
Fluidity |
1/Pa/s |
NTC |
Thermal conductivity |
W/m/K |
NTD |
Thermal diffusivity |
m^{2}/s |
NDC |
Binary diffusion coefficient |
10^{-9} m^{2}/s |
NDC |
Self diffusion coefficient |
10^{-9} m^{2}/s |
ND# |
Trace diffusion coefficient of component # |
10^{-9} m^{2}/s |
Refraction, Surface Tension, and Speed of
Sound |
||
RID |
Refractive index (Na D-line) |
Dimensionless |
RIX |
Refractive index (other wavelength) |
Dimensionless |
IST |
Surface tension liquid-gas |
N/m |
IIT |
Interfacial tension |
N/m |
RSS |
Speed of sound |
m/s |
Enthalpy & Internal Energy of
reaction |
||
H |
Enthalpy of reaction |
kJ/mol |
UV |
Internal energy at constant volume (mass basis) |
J/g |
U |
Internal energy of reaction (mole basis) |
kJ/mol |
Reaction equilibrium
properties |
||
KT |
Thermodynamic equilibrium constant K |
Dimensionless |
KM |
Apparent equilibrium constant in terms of molaLity |
(mol/kg)^{n} |
KJ |
Apparent equilibrium constant in terms of molaRity |
(mol/dm^{3})^{n} |
KP |
Apparent equilibrium constant in terms of P |
kPa^{n} |
KX |
Apparent equilibrium constant in terms of mole fraction X |
Dimensionless |