HYARC
Hydrogen Properties
Discover the Remarkable Properties of Hydrogen

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Comparative Properties of Hydrogen and Other Fuels
PropertyUnitsHydrogenMethanePropaneMethanolEthanolGasolineChemical Formula H2CH4C3H8CH3OHC2H5OHCxHy (x = 4 - 12)Molecular Weight [a, b] 2.0216.0444.132.0446.07100 - 105Density, NTP [3, a, c]kg/m³0.08380.6681.87791789751 lb/ft³0.…
Energy Equivalency of Fuels (LHV)
Contains a comparison of the amount of fuel necessary to provide the same energy unit based on the lower heating values.
Hydrogen Compressibility at different temperatures and pressures
Hydrogen Compressibility at different temperatures and pressures.
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Hydrogen Density at different temperatures and pressures
Hydrogen Density at different temperatures and pressures.
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Density (SI).xls (120 KB)
Hydrogen Enthalpy at different temperatures and pressures
Hydrogen Enthalpy at different temperatures and pressures.
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Hydrogen Entropy at different temperatures and pressures
Hydrogen Entropy at different temperatures and pressures.
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Entropy (SI).xls (120.5 KB)
Hydrogen Mass and Volume Conversion Factors
Hydrogen mass and volume conversion factors at common temperatures and pressures. Data from NIST.
Hydrogen Specific Heat at different temperatures and pressures
Hydrogen Specific Heat at different temperatures and pressures.
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Hydrogen Thermal Conductivity at different temperatures and pressures
Hydrogen Thermal Conductivity at different temperatures and pressures.
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Hydrogen Viscosity at different temperatures and pressures
Hydrogen Viscosity at different temperatures and pressures.
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Lower and Higher Heating Values of Hydrogen and Other Fuels
Contains lower and higher heating values for hydrogen and various solid, liquid, and gaseous fuels.
Properties of Hydrogen at Normal Boiling Point
Properties of Hydrogen at Normal Boiling Point.

This material was prepared as an account of work sponsored by an agency of the United States Government.
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The portal brings together and enhances the utility of a variety of tools and web-based content on the safety aspects of hydrogen and fuel cell technologies to help inform those tasked with designing, approving or using systems and facilities, as well as those responding to incidents.

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