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  1. ... energy. To do the other part, you need to convert liters of hydrogen into moles. Use PV=nRT. You'll have to...

    4 Answers · Science & Mathematics · 26/05/2008

  2. The hydrogen molecules will be faster. By about a factor of 4 difference in...kinetic energy averaged per molecule. In order for an "average" hydrogen gas molecule to have the same kinetic energy as an "average" oxygen molecule, the speed...

    2 Answers · Science & Mathematics · 28/09/2012

  3. ...with common sense. At room temperature about 75% of the hydrogen gas is orthohydrogen and the other 25% is parahydrogen...orbit where it is in equilibrium with the proton of each hydrogen, so you end up with almost all ortho because the electrons...

    2 Answers · Science & Mathematics · 16/03/2010

  4. Hydrogen comes in three isotopic forms: normal hydrogen, no neutrons, deuterium.... Deuterium and tritium are the components of a hydrogen bomb, called a thermonuclear device. They combine to make helium (two ...

    3 Answers · Science & Mathematics · 11/06/2007

  5. The hydrogen atom energy level structure is given by … E( n... J … positive so the atom must absorb energy … for one mole of hydrogen atom, the total change in energy must be … ΔE = ( 6.02...

    2 Answers · Science & Mathematics · 05/11/2012

  6. ... heard of a carbohydrate? A compound consisting of carbon and hydrogen which contains nutritional caloric value. Bread most certainly has...

    2 Answers · Science & Mathematics · 15/11/2011

  7. For the hydrogen atom levels above 1 represent 'excited' energy states...

    3 Answers · Science & Mathematics · 28/04/2011

  8. Hydrogen is an atom but it doesn't commonly exist in nature by itself. It's almost always bonded to another atom, usually to another hydrogen because it isn't stable by itself. Wikipedia.org for many more details.

    3 Answers · Science & Mathematics · 09/05/2011

  9. ... are two difficulties with filming the electron around a Hydrogen atom as you are suggesting. Firstly, Hydrogen...

    4 Answers · Science & Mathematics · 22/01/2009

  10. hydrogen and atoms, in general, are all matter. this is because they ...

    2 Answers · Science & Mathematics · 11/10/2009

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