helium-4  Thermodynamic & Transport Properties (Based on Venus model)
CAS number
Short Name
Full Name
Chemical Formula
Synonym R-704 ,Atomichelium; Helium-4; o-Helium; p-Helium
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
helium-4 : Introduction

Helium is a chemical element with symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its boiling and melting points are the lowest among all the elements.

Helium is the second lightest element and is the second most abundant element in the observable universe, being present at about 24% of the total elemental mass, which is more than 12 times the mass of all the heavier elements combined. Its abundance is similar to this figure in the Sun and in Jupiter. This is due to the very high nuclear binding energy (per nucleon) of helium-4 with respect to the next three elements after helium. This helium-4 binding energy also accounts for why it is a product of both nuclear fusion and radioactive decay. Most helium in the universe is helium-4, and is believed to have been formed during the Big Bang. Large amounts of new helium are being created by nuclear fusion of hydrogen in stars.

Acceptable Range : < T <
< P <
Specific Enthalpy=
Specific Entropy=
Internal Energy=
Please Login before calculating  LoginorRegister
helium-4: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 =

Post your comment after login/register. LoginorRegister

View source