parahydrogen  Thermodynamic & Transport Properties (Based on Venus model)
CAS number
Name  
Category
Pure/Mixture
Short Name
Full Name
Chemical Formula
Synonym R-702p
Molecular Weight
Triple Point Temperature Triple Point Temperature
Normal Boiling Point Normal boiling point
Critical Temperature Critical Temperature
Critical Pressure>Critical Pressuresure
Critical Density
Acentric FactorAcentric Factor
Dipole MomentDipole Moment
parahydrogen : Introduction
Molecular hydrogen occurs in two isomeric forms, one with its two proton spins aligned parallel (orthohydrogen), the other with its two proton spins aligned antiparallel (parahydrogen).Parahydrogen is in a lower energy state than is orthohydrogen. At room temperature and thermal equilibrium, thermal excitation causes hydrogen to consist of approximately 75% orthohydrogen and 25% parahydrogen. After hydrogen is liquified, there is a slow spontaneous transition to a predominantly para ratio, with the released energy having implications for storage.
Single Value Table
Temperature=
Acceptable Range ： < T <
Pressure=
< P <
Density=
Specific Enthalpy=
Specific Entropy=
Internal Energy=
Reference
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parahydrogen :Thermodynamic & Transport Properties Calculated Result
State:
Molecular Weight=
Celsius,Fahrenheit,Reaumur & Thermodynamic Temperature ConversionTemperature=
absolute pressure & gauge pressurePressure=
Density=
Specific VolumeSpecific Volume=
Specific EnthalpySpecific Enthalpy=
Specific EntropySpecific Entropy=
Internal EnergyInternal Energy=
Composition=



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=
FugacityFugacity=
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 =

Comment
waqarm : Unit of specific heat at constant volume is wrong, correct unit is KJ/( Kg.K) (2017/8/10 20:35:28)
waqarm : Unit of specific heat at constant volume is wrong, correct unit is KJ/( Kg.K) (2017/8/10 20:26:44)
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