liter of hydrogen

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liter of hydrogen

Postby » Tue Dec 11, 2007 3:03 am

what is the psi or pounds per square inch of 1 liter of Hydrogen :?

Postby Guest » Tue Dec 11, 2007 3:41 am

Depends on how much hydrogen is in there.

Either mass (grams, kilograms, etc) or number of moles is a way to refer to a definite amount of hydrogen (or any gas). Hydrogen is an a diatomic molecule with a molecular weight (rounded) of 2 amu, so a mole weighs 2 grams.

The volume of a gas does not define the amount unless temperature and pressure are specified. They are related by the ideal gas equation PV = nRT, where n is number of moles and R is the gas constant. At 1 atm, and 0 degrees C, 1 mole of ideal gas (and most real gases approximate it well) occupies 22.4 L.

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