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  1. Where does the hydrogen come from? One of the more interesting ...gasoline, we release that stored solar energy. In the hydrogen economy, there is no storehouse to tap into. We have to...

    2 Answers · Environment · 11/06/2008

  2. Hydrogen is a clean fuel. Burning of hydrogen produces water. ...an infinite resource unlike fossil fuels. The cons are: Hydrogen is an explosive gas and easily combustible. A leaking hydrogen storage...

    3 Answers · Cars & Transportation · 09/05/2007

  3. Hydrogen should not be used to power an internal combustion engine, when it could be used to power a fuel cell. But why? Our current most economical source of hydrogen is methane CH4. But an internal combustion engine will get more mileage...

    7 Answers · Environment · 11/11/2008

  4. To operate the fuel cell, the hydrogen would need to be a gas. To carry it around, you would need one or more of very... convert to a liquid, you have to spend a lot of energy refrigerating the hydrogen (boiling point around 20 K), and then need very good insulation to keep it...

    2 Answers · Science & Mathematics · 24/03/2008

  5. hydrogen, YES. very possible. in-fact, hydrogen with pure oxygen is better...water into aqua-gen(the gas it creates, made up of pure hydrogen and pure oxygen- but not just floating together, there re-bonded chemically...

    3 Answers · Science & Mathematics · 12/12/2007

  6. Hydrogen fuel, which is a proposal for the distribution of hydrogen energy. Hydrogen... energy released when it is used as fuel. To use hydrogen as fuel, must begin by water electrolysis or other methods. A...

    3 Answers · Environment · 12/08/2009

  7. Hydrogen is not an energy source, it's a means of storing energy... FCX there's a home refueling station that produces hydrogen from natural gas. Electrolysis can also produce hydrogen but it's very inefficient...

    4 Answers · Environment · 18/06/2008

  8. A hydrogen bond is a relatively weak intermolecular bond. It occurs between discrete...between discrete molecules and some polyatomic ions. In order to have hydrogen bonding, hydrogen must be internally, covalently bonded to N, O...

    3 Answers · Science & Mathematics · 15/07/2012

  9. ... has a bunch of errors: Hydrogen: *is used as a shielding...many metals are reduced with hydrogen. *was formerly used for filling...

    2 Answers · Science & Mathematics · 13/03/2011

  10. Hydrogen is very reactive and combines with other elements such as oxygen...approximately 50 kilowatt hours of electricity to separate from water an amount of hydrogen with the energy equivalent of one gallon of gasoline. When that amount of hydrogen...

    4 Answers · Environment · 27/08/2007

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