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Gases are not measured by linear measures such as feet or meters - they are measured either by mass (pounds, kilograms), or by volume (liters, cubic feet). In the case of a volume, you must also know the pressure.

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How many moles are there in 0.12g of helium?

4 g or helium is 1 mole. So, 0.12 g of helium is 0.03 mole


Does 1 mole of hydrogen atoms equals 1 mole of helium atoms?

No, 1 mole of hydrogen atoms does not equal 1 mole of helium atoms. One mole of any element contains Avogadro's number of atoms (6.022 x 10^23), so 1 mole of hydrogen atoms would have that many hydrogen atoms, while 1 mole of helium atoms would have that many helium atoms.


How many atoms are in helium at room temperature?

4 g (or 1 mole) of helium will have 6.023 x 1023 atoms


How many moles in 6.071grams of helium?

To find the number of moles in 6.071 grams of helium, divide the given mass by the molar mass of helium. The molar mass of helium is approximately 4 grams per mole. Therefore, 6.071 grams / 4 grams/mol ≈ 1.52 moles of helium.


How many liters is one mole of helium?

One mole of any gas at standard temperature and pressure (STP) occupies 22.4 liters. Therefore, one mole of helium would also occupy 22.4 liters at STP.


How many helium atoms are in a millimole of helium?

So, in a mole of anything, there are 6.022x10^23 molecules or atoms. There are 1000 millimoles in a mole, so 6.022x10^23/1000 is 6.022x10^20 atoms.


Is helium represented by he?

one mole of He


How many mole of helium are contained in a closed system holding 4.85 liters?

You need to specify temeprature and pressure At 0 0C and 1 atmosphere a mole of helium is approxomately 22.4 litres - 4.85 is about 0.21 mol


How many liters are within 3.5 mol of helium gas at STP?

1 mole = 22.414 liters So, 3.5 mole = 78.45 liters


Ionization energy of a helium atom is helium gas per mole?

the first inoization energy is 2372.3 kJ mol-1 there are 6.0221415 × 10^23 in a mole from avagadros number, devide the ionization energy for one mole by the number of atoms in a mole and you get the first ionization energy for one atom.


What has more mass one mole of helium or one mole of lead?

Lead. The molar mass of lead is 207.2 g/mol while helium's is 4.0 g/mol.


How many helium atoms are in a helium blimp containing 544kg of helium?

1 mole of helium (or 4 g or 0.004 kg) will have 6 x 1023 atoms. So, 544 kg will have 8.16 x 1028 atoms.