Molar Mass Of Helium

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Specific heat at constant volume, specific heat at constant pressure, specific heat ratio and individual gas constant - R - common gases as argon, air, ether, nitrogen and many more .

If the molar mass of helium is 4.0 g/mol4.0 g/mol and the molar mass of neon. If the molar mass of helium is 4.0 g/mol4.0 g/mol and the molar mass of neon is 20.2 g/mol20.2 g/mol, then. A) All the atoms have exactly the same velocity. B) All the atoms have the same average speed.

The specific heat (= specific heat capacity) at constant pressure and constant volume processes, and the ratio of specific heats and individual gas constants - R - for some commonly used 'ideal gases', are in the table below (approximate values at 68oF (20oC) and 14.7 psia (1 atm Free sql client for mac. )).

  1. Helium has several isotopes (different forms of the same element with an equal number of protons and electrons, but not neutrons), but generally has a molar mass of 4 grams/mole. Calculate molar mass by finding the atomic mass of an element (usually in the top.
  2. Take The Molar Mass Of Air To Be 28.8 G/mol And The Molar Mass Of Helium To Be 4.00 G/mol. This problem has been solved! If the pipe is filled with helium at the same temperature, what fundamental frequency fHe will it produce? Take the molar mass of air to be 28.8 g/mol and the molar mass of helium to be 4.00 g/mol.

For conversion of units, use the Specific heat online unit converter.

See also tabulated values of specific heat capacity of food and foodstuff, metals and semimetals, common liquids and fluids, common solids and other common substances as well as values of molar heat capacity of common organic substances and inorganic substances.

For full table - rotate the screen!

Gas or VaporFormulaSpecific HeatSpecific Heat RatioIndividual Gas constant
- R -
cp
(kJ/(kg K))		cv
(kJ/(kg K))		cp
(Btu/(lbmoF))		cv
(Btu/(lbmoF))		κ = cp / cvcp - cv
(kJ/(kg K))		cp - cv
(ft lbf/(lbmoR))
Acetone(CH3)2CO1.471.320.350.321.110.15
AcetyleneC2H21.691.370.350.271.2320.31959.34
Air1.010.7180.240.171.400.28753.34
Alcohol (ethanol)C2H5OH1.881.670.450.41.130.22
Alcohol (methanol)CH3OH1.931.530.460.371.260.39
AmmoniaNH32.191.660.520.41.310.5396.5
ArgonAr0.5200.3120.120.071.6670.208
BenzeneC6H61.090.990.260.241.120.1
Blast furnace gas1.030.730.250.171.410.355.05
BromineBr20.250.20.060.051.280.05
ButaneC4H101.671.530.3950.3561.0940.14326.5
Carbon dioxideCO20.8440.6550.210.161.2890.18938.86
Carbon monoxideCO1.020.720.240.171.400.29755.14
Carbon disulphideCS20.670.550.160.131.210.12
ChlorineCl20.480.360.120.091.340.12
ChloroformCHCl30.630.550.150.131.150.08
Coal gas2.141.59
Combustion products10.24
EthaneC2H61.751.480.390.321.1870.27651.5
Ether (diethyl ether)(C2H5)2O2.011.950.480.471.030.06
EthyleneC2H41.531.230.40.331.2400.29655.08
Chlorodifluoromethane, R-22 CHClF21.18
HeliumHe5.193.121.250.751.6672.08386.3
Hexane C6H141.06
Hydrochloric acid0.7950.567
HydrogenH214.3210.163.422.431.4054.12765.9
Hydrogen ChlorideHCl0.80.570.1910.1351.410.2342.4
Hydrogen SulfideH2S0.2430.1871.3245.2
HydroxylOH1.761.271.3840.489
KryptonKr0.250.151
MethaneCH42.221.700.590.451.3040.51896.4
Methyl ChlorideCH3Cl0.2400.2001.2030.6
Natural Gas2.341.850.560.441.270.579.1
NeonNe1.030.6181.6670.412
Nitric OxideNO0.9950.7180.230.171.3860.277
NitrogenN21.040.7430.250.181.4000.29754.99
Nitrogen tetroxideN2O44.694.61.121.11.020.09
Nitrous oxideN2O0.880.690.210.171.270.1835.1
OxygenO20.9190.6590.220.161.3950.26048.24
PentaneC5H121.07
PropaneC3H81.671.480.390.341.130.18935.0
Propene (propylene)C3H61.51.310.360.311.150.1836.8
Water Vapor
Steam 1 psia. 120 – 600 oF		H2O1.931.460.460.351.320.462
Steam 14.7 psia. 220 – 600 oFH2O1.971.50.470.361.310.46
Steam 150 psia. 360 – 600 oFH2O2.261.760.540.421.280.5
Sulfur dioxide (Sulphur dioxide)SO20.640.510.150.121.290.1324.1
XenonXe0.160.097
  • κ = cp / cv - the specific heat capacity ratio
  • cp = specific heat in a constant pressure process
  • cv = specific heat in a constant volume process

Molar Mass Of Helium In Grams

For conversion of units, use the Specific heat online unit converter.

See also tabulated values of specific heat of food and foodstuff, metals and semimetals, common liquids and fluids, Common solids and other common substances as well as values of molar heat capacity of common organic substances and inorganic substances.

Related Topics

Molar Mass Of Helium In Kg/mol

  • Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more
  • Thermodynamics - Effects of work, heat and energy on systems

Related Documents

  • Air - Specific Heat at Constant Pressure and Varying Temperature - Online calculator, figures and tables showing how specific heat (Cp and Cv) of dry air vary with temperature at different pressures, SI and imperial units
  • Air Specific Heat Ratio - Specific Heat Ratio of air at temperatures from -40 - 1000oC (-40 - 1500oF) at standard atmospheric pressure - Imperial and SI Units
  • Argon - Thermophysical Properties - Chemical, Physical and Thermal Properties of Argon
  • Compression and Expansion of Gases - Isothermal and isentropic gas compression and expansion processes
  • Ethane - Density and Specific Weight - Online calculator, figures and tables showing density and specific weight of ethane, C2H6, at varying temperature and pressure - Imperial and SI Units
  • Gases - Dynamic Viscosity - Absolute viscosities of gases
  • Gases - Molar Specific Heat - Molar specific heats of gases at constant volume
  • Heat Capacity - The heat capacity of a substance is the amount of heat required to change its temperature by one degree, and has units of energy per degree
  • Heat, Work and Energy - Heat, work and energy tutorial - essentials as specific heat
  • Ideal Gas Law - The relations between volume, pressure, temperature and quantity of a gas, including definition of density of a gas
  • Molecular Weight of some Common Substances - Definition and molecular weight (molar mass) of some common substances
  • Nitrogen - Specific Heat - Specific heat of Nitrogen Gas - N2 - at temperatures ranging 175 - 6000 K
  • Nitrogen - Thermophysical Properties - Chemical, Physical and Thermal Properties of Nitrogen - N2
  • Non-ideal gas - Van der Waal's Equation and Constants - Listing of van der Waals constants for more than 200 gases, used to correct for non-ideal behavior of gases caused by intermolecular forces and the volume occupied by the gas particles
  • Ratios of Specific Heat of Gases - Ratios of specific heat for gases in constant pressure and volume processes
  • Specific Heat - Online Unit Converter - Online specific heat converter with the most commonly used units
  • Specific Heat of Solids - Common solids - like brick, cement, glass and many more - and their specific heats - in Imperial and SI units
  • Specific Heat of some Liquids and Fluids - Specific heat for some common liquids and fluids - acetone, oil, paraffin, water and many more
  • Sulfur Dioxide Liquid - Thermal Properties - Density, specific heat, thermal conductivity and more
  • Total and partial pressure - Dalton's law of partial pressures - How to calculate total pressure and partial pressures for gas mixtures from Ideal Gas Law

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Molar Mass, Molecular Weight and Elemental Composition Calculator


Molar mass of helium is 4.0026020 ± 0.0000020 g/mol
Compound name is helium
Convert between He weight and moles
CompoundMolesWeight, g
He

Elemental composition of He
ElementSymbolAtomic weightAtomsMass percent
HeliumHe4.0026021100.0000

Mass percent compositionAtomic percent composition

Formula in Hill system is He

Computing molar mass (molar weight)

To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use:
  • Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.
  • Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg
  • parantesis () or brackets [].
  • Common compound names.
Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, water, nitric acid, potassium permanganate, ethanol, fructose.
Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa.

Computing molecular weight (molecular mass)

To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets.
Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2.

Definitions of molecular mass, molecular weight, molar mass and molar weight

  • Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
Weights of atoms and isotopes are from NIST article.
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Related: Molecular weights of amino acids
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Helium

Molar Mass Of Helium Molecule

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Molar Mass Of Helium He

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Molar Mass Of Helium Gas In Kg/mol

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