Molar Mass Of Helium
- Helium gas is a non-toxic and non-combustible gas that is obtained from natural gas. Helium Gas was first detected in sun. It is available abundantly and is the second lightest gas seen. 4.00g / mol is the molar mass of helium.
- Molar mass (g/mol) Modify Clear% m=nM. 2 He Helium 4.002602: 3 Li Lithium 6.94: 4 Be Beryllium 9.0121831: 5 B Boron 10.81: 6 C Carbon.
- Molar Mass Of Helium In Kg
- Molar Mass Of Helium Gas
- He Molar Mass
- Molar Mass Of Helium Element
- Molecular Weight Helium
The molar mass of a particular gas is therefore equal to the mass of a single particle of that gas multiplied by Avogadro’s number (6.02 x 10 23). To find the molar mass of a mixture of gases, you need to take into account the molar mass of each gas in the mixture, as well as their relative proportion. Because of helium's relatively low molar (atomic) mass, its thermal conductivity, specific heat, and sound speed in the gas phase are all greater than any other gas except hydrogen. For these reasons and the small size of helium monatomic molecules, helium diffuses through solids at a rate three times that of air and around 65% that of hydrogen.
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 .
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)).
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.
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| Gas or Vapor | Formula | Specific Heat | Specific Heat Ratio | Individual Gas constant - R - | ||||
|---|---|---|---|---|---|---|---|---|
| cp (kJ/(kg K)) | cv (kJ/(kg K)) | cp (Btu/(lbmoF)) | cv (Btu/(lbmoF)) | κ = cp / cv | cp - cv (kJ/(kg K)) | cp - cv (ft lbf/(lbmoR)) | ||
| Acetone | (CH3)2CO | 1.47 | 1.32 | 0.35 | 0.32 | 1.11 | 0.15 | |
| Acetylene | C2H2 | 1.69 | 1.37 | 0.35 | 0.27 | 1.232 | 0.319 | 59.34 |
| Air | 1.01 | 0.718 | 0.24 | 0.17 | 1.40 | 0.287 | 53.34 | |
| Alcohol (ethanol) | C2H5OH | 1.88 | 1.67 | 0.45 | 0.4 | 1.13 | 0.22 | |
| Alcohol (methanol) | CH3OH | 1.93 | 1.53 | 0.46 | 0.37 | 1.26 | 0.39 | |
| Ammonia | NH3 | 2.19 | 1.66 | 0.52 | 0.4 | 1.31 | 0.53 | 96.5 |
| Argon | Ar | 0.520 | 0.312 | 0.12 | 0.07 | 1.667 | 0.208 | |
| Benzene | C6H6 | 1.09 | 0.99 | 0.26 | 0.24 | 1.12 | 0.1 | |
| Blast furnace gas | 1.03 | 0.73 | 0.25 | 0.17 | 1.41 | 0.3 | 55.05 | |
| Bromine | Br2 | 0.25 | 0.2 | 0.06 | 0.05 | 1.28 | 0.05 | |
| Butane | C4H10 | 1.67 | 1.53 | 0.395 | 0.356 | 1.094 | 0.143 | 26.5 |
| Carbon dioxide | CO2 | 0.844 | 0.655 | 0.21 | 0.16 | 1.289 | 0.189 | 38.86 |
| Carbon monoxide | CO | 1.02 | 0.72 | 0.24 | 0.17 | 1.40 | 0.297 | 55.14 |
| Carbon disulphide | CS2 | 0.67 | 0.55 | 0.16 | 0.13 | 1.21 | 0.12 | |
| Chlorine | Cl2 | 0.48 | 0.36 | 0.12 | 0.09 | 1.34 | 0.12 | |
| Chloroform | CHCl3 | 0.63 | 0.55 | 0.15 | 0.13 | 1.15 | 0.08 | |
| Coal gas | 2.14 | 1.59 | ||||||
| Combustion products | 1 | 0.24 | ||||||
| Ethane | C2H6 | 1.75 | 1.48 | 0.39 | 0.32 | 1.187 | 0.276 | 51.5 |
| Ether (diethyl ether) | (C2H5)2O | 2.01 | 1.95 | 0.48 | 0.47 | 1.03 | 0.06 | |
| Ethylene | C2H4 | 1.53 | 1.23 | 0.4 | 0.33 | 1.240 | 0.296 | 55.08 |
| Chlorodifluoromethane, R-22 | CHClF2 | 1.18 | ||||||
| Helium | He | 5.19 | 3.12 | 1.25 | 0.75 | 1.667 | 2.08 | 386.3 |
| Hexane | C6H14 | 1.06 | ||||||
| Hydrochloric acid | 0.795 | 0.567 | ||||||
| Hydrogen | H2 | 14.32 | 10.16 | 3.42 | 2.43 | 1.405 | 4.12 | 765.9 |
| Hydrogen Chloride | HCl | 0.8 | 0.57 | 0.191 | 0.135 | 1.41 | 0.23 | 42.4 |
| Hydrogen Sulfide | H2S | 0.243 | 0.187 | 1.32 | 45.2 | |||
| Hydroxyl | OH | 1.76 | 1.27 | 1.384 | 0.489 | |||
| Krypton | Kr | 0.25 | 0.151 | |||||
| Methane | CH4 | 2.22 | 1.70 | 0.59 | 0.45 | 1.304 | 0.518 | 96.4 |
| Methyl Chloride | CH3Cl | 0.240 | 0.200 | 1.20 | 30.6 | |||
| Natural Gas | 2.34 | 1.85 | 0.56 | 0.44 | 1.27 | 0.5 | 79.1 | |
| Neon | Ne | 1.03 | 0.618 | 1.667 | 0.412 | |||
| Nitric Oxide | NO | 0.995 | 0.718 | 0.23 | 0.17 | 1.386 | 0.277 | |
| Nitrogen | N2 | 1.04 | 0.743 | 0.25 | 0.18 | 1.400 | 0.297 | 54.99 |
| Nitrogen tetroxide | N2O4 | 4.69 | 4.6 | 1.12 | 1.1 | 1.02 | 0.09 | |
| Nitrous oxide | N2O | 0.88 | 0.69 | 0.21 | 0.17 | 1.27 | 0.18 | 35.1 |
| Oxygen | O2 | 0.919 | 0.659 | 0.22 | 0.16 | 1.395 | 0.260 | 48.24 |
| Pentane | C5H12 | 1.07 | ||||||
| Propane | C3H8 | 1.67 | 1.48 | 0.39 | 0.34 | 1.13 | 0.189 | 35.0 |
| Propene (propylene) | C3H6 | 1.5 | 1.31 | 0.36 | 0.31 | 1.15 | 0.18 | 36.8 |
| Water Vapor Steam 1 psia. 120 – 600 oF | H2O | 1.93 | 1.46 | 0.46 | 0.35 | 1.32 | 0.462 | |
| Steam 14.7 psia. 220 – 600 oF | H2O | 1.97 | 1.5 | 0.47 | 0.36 | 1.31 | 0.46 | |
| Steam 150 psia. 360 – 600 oF | H2O | 2.26 | 1.76 | 0.54 | 0.42 | 1.28 | 0.5 | |
| Sulfur dioxide (Sulphur dioxide) | SO2 | 0.64 | 0.51 | 0.15 | 0.12 | 1.29 | 0.13 | 24.1 |
| Xenon | Xe | 0.16 | 0.097 | |||||
- κ = cp / cv - the specific heat capacity ratio
- cp = specific heat in a constant pressure process
- cv = specific heat in a constant volume process
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
- 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
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- 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
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Tag Search
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››Convert grams Helium to mole
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››More information from the unit converter
How many grams Helium in 1 mol?The answer is 4.002602.
We assume you are converting between grams Helium and mole.
You can view more details on each measurement unit:
molecular weight of Helium ormol
The molecular formula for Helium is He.
The SI base unit for amount of substance is the mole.
1 grams Helium is equal to 0.24983748071879 mole.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between grams Helium and mole.
Type in your own numbers in the form to convert the units!
››Quick conversion chart of grams Helium to mol
1 grams Helium to mol = 0.24984 mol
5 grams Helium to mol = 1.24919 mol
10 grams Helium to mol = 2.49837 mol
Microsoft 365 business pricing. 20 grams Helium to mol = 4.99675 mol
30 grams Helium to mol = 7.49512 mol
40 grams Helium to mol = 9.9935 mol
50 grams Helium to mol = 12.49187 mol
75 grams Helium to mol = 18.73781 mol
100 grams Helium to mol = 24.98375 mol
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You can do the reverse unit conversion frommoles Helium to grams, or enter other units to convert below:
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››Details on molecular weight calculations
Molar Mass Of Helium In Kg
In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.
Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula.
If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.
+is+a+valuable+gas+used+in+industry.+How+many+moles+of+He+atoms+are+in+6.46+g+of+He.jpg "Molar")
The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. We use the most common isotopes. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass.
A common request on this site is to convert grams to moles. To complete this calculation, you have to know what substance you are trying to convert. The reason is that the molar mass of the substance affects the conversion. This site explains how to find molar mass.
Molar Mass Of Helium Gas
Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. These relative weights computed from the chemical equation are sometimes called equation weights.
Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance.
He Molar Mass
Molar Mass Of Helium Element
››Metric conversions and more
Molecular Weight Helium
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