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  1. Environment-friendly Hydrogen Fuel Cell, its challenges...the best-known type of fuel cell is hydrogen fuel cell that used in spacecraft. These ...

    5 Answers · Environment · 25/05/2008

  2. Hydrogen gas, H2, was first artificially produced and formally ...iron filings and dilute acids, which results in the production of hydrogen gas. In 1766, Henry Cavendish was the first...

    1 Answers · Science & Mathematics · 04/04/2008

  3. Hydrogen and Oxygen Reaction in Nature Question - How does hydrogen and oxygen...they soon react (fall off the step) and go to a much lower energy state. So it is, that we find that hydrogen (either as an atom or a molecule) is a high energy substance. Oxygen is too. So given...

    1 Answers · Science & Mathematics · 20/11/2008

  4. Hydrogen is an element that is represented by the symbol H and...with many other elements and compounds so that isolated hydrogen is very rare on Earth. -- it is mainly used in fertilizer...

    8 Answers · Environment · 05/07/2009

  5. hydrogen bonding IN Cl is also possible , but in special cases.. Analyse these ... 2:Chlorine has too high a dipole moment. It would rather ionize an adjacent molecule than hydrogen bond with it. SUMMARIZING THESE: IN SIMPLER WORDS, ......Hydrogen ...

    3 Answers · Science & Mathematics · 25/04/2011

  6. Hydrogen gas (H2) has a molar mass of 2.02 grams per mol. Air... molar masses will give you the lifting power of 1 mole of Hydrogen gas in an air atmosphere when both gasses are under the same temperature and...

    3 Answers · Science & Mathematics · 27/08/2006

  7. hydrogen bonding will be strong between two different atom when they will have large difference...shell so it has attration to pull 2 electron to complete its octet.while hydrogen has almost negligible electronegativity as it tends to loose electron not to...

    4 Answers · Science & Mathematics · 19/06/2007

  8. Hydrogen bonding is partially responsible for the movement of water molecules in the vascular system of plants... one molecule of water moves upward, it tugs on a molecule below it, with which it shares a hydrogen bond. Hydrogen bonding also useful in performing certain chemical reactions to make new...

    5 Answers · Science & Mathematics · 09/11/2010

  9. If you had a tank of hydrogen in space, and you added energy by heating the gas, nothing would happen until... "Here on earth, in our normal atmosphere, if I spray some hydrogen (or gasoline, or water, or whatever) on a flame, will it explode?" This question...

    8 Answers · Science & Mathematics · 03/03/2008

  10. Hydrogen gas is being considered as the fuel of the future. Its...as a final product. The most viable way of using this is in the hydrogen fuel cell - not as a thermal fuel. An example is the H2/O2...

    10 Answers · Science & Mathematics · 31/12/2011

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