water & steam  Thermodynamic & Transport Properties (Based on Venus model)
CAS number
Short Name
Full Name
Chemical Formula
Synonym R-718 ,dihydrogen oxide;distilled water
Molecular Weight
Triple Point Temperature Triple 
    Point Temperature
Normal Boiling Point Normal boiling point
Critical Temperature Critical Temperature
Critical Pressure>Critical Pressuresure
Critical Density
Critical Compress Factor
Acentric FactorAcentric Factor
Dipole MomentDipole Moment
water & steam : Introduction

The density of liquid water is 1,000 kg/m3 (62.43 lb/cu ft) at 4 °C. Ice has a density of 917 kg/m3 (57.25 lb/cu ft).

The maximum density of water occurs at 3.98 °C (39.16 °F).[13] Most known pure substances become more dense as they cool, however water has the anomalous property of becoming less dense when it is cooled to its solid form, ice. During cooling water becomes more dense until reaching 3.98 °C. Below this temperature, the open structure of ice is gradually formed in the low temperature water; the random orientations of the water molecules in the liquid are maintained by the thermal motion, and below 3.98 °C there is not enough thermal energy to maintain this randomness. As water is cooled there are two competing effects: 1) decreasing volume, and 2) increase overall volume of the liquid as the molecules begin to orient into the organized structure of ice. Between 3.98 °C and 0 °C, the second effect will cancel the first effect so the net effect is an increase of volume with decreasing temperature.[14] Water expands to occupy a 9% greater volume as ice, which accounts for the fact that ice floats on liquid water, as in icebergs.

Acceptable Range : < T <
< P <
Specific Enthalpy=
Specific Entropy=
Internal Energy=
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water & steam:Thermodynamic & Transport Properties Calculated Result
Molecular Weight=
Celsius,Fahrenheit,Reaumur & Thermodynamic Temperature ConversionTemperature=
absolute pressure & gauge pressurePressure=
Specific VolumeSpecific Volume=
     EnthalpySpecific Enthalpy=
Specific EntropySpecific Entropy=
Internal EnergyInternal Energy=

Saturated Vapor Pressure, Boiling Point(dew point), Latent Heat of Vaporization are saturated properties, just enter One parameter to calculate them!
Saturated Vapor Pressure=
Boiling Point (Dew Point)=
latent heat of vaporizationVaporization Latent Heat=
Constant Pressure Specific HeatSpecific Heat(Cp)=
Specific Heat(Cv)=
Adiabatic Exponent Cp/Cv=
QualityVapor Quality=
 Compressibility Factor Compressibility Factor=
Helmholtz Energy Helmholtz Energy=
 Gibbs Free Energy Gibbs Free Energy=
Fugacity Coefficient Fugacity Coefficient=
Joule-Thomson Coefficient Joule-Thomson Coefficient =
Speed of SoundSpeed of Sound=
Virial Coefficient2nd Virial Coefficient =
3rd Virial Coefficient=
Thermal Conductivity Thermal Conductivity=
 thermal diffusivity Thermal Diffusivity=
Kinematic ViscosityKinematic Viscosity =
Dynamic ViscosityDynamic Viscosity =
Surface TensionSurface Tension =
Prandtl Number Prandtl Number=
Relative Dielectric ConstantRelative Dielectric Constant =

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