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  1. Making hydrogen is, from an energy standpoint, very costly. Which is not ...seldom used because the electricity is too expensive. Although hydrogen can be used efficiently in an automobile, the handling required...

    7 Answers · Science & Mathematics · 21/09/2006

  2. Hydrogen bonds are attractions of electropositive hydrogen atoms...electron density is increased between the two nuclei efficiently. Hydrogen bonding merely lowers the free energy of the system, but the shared...

    3 Answers · Science & Mathematics · 12/06/2009

  3. Hydrogen - H General Information Discovery Hydrogen... Hydrogen is a colourless gas. Source Hydrogen is found in the sun and most of the stars, and is easily...

    5 Answers · Science & Mathematics · 17/01/2007

  4. Hydrogen gas, H2, was first artificially produced and formally ...iron filings and dilute acids, which results in the production of hydrogen gas.[4] In 1766, Henry Cavendish was the first...

    4 Answers · Science & Mathematics · 20/06/2007

  5. ...a false idea and steer people wrong. Oxyhydrogen is a mixture of hydrogen and oxygen gases, normally assumed to be in a 2:1 atomic ratio, the same...

    2 Answers · Environment · 11/11/2007

  6. Hydrogen Bonding occurs between hydrogen and an electronegative atom. The first person was correct in...atom. The H's are NOT bonded to the F, therefore it cannot have hydrogen bonding. The correct molecules for H bonding are 2 and 3

    3 Answers · Science & Mathematics · 14/11/2007

  7. Hydrogen peroxide (H2O2) is the simplest peroxide (a compound with an oxygen... colorless. With its oxidizing properties, hydrogen peroxide is often used as a bleach or cleaning agent. The...

    5 Answers · Health · 28/08/2011

  8. The idea of a hydrogen powered economy is to be able to take energy from a diverse number...with several problems, one vehicles need to be replaced, two hydrogen needs to be distributed, three hydrogen has a low volumetric...

    3 Answers · Environment · 03/11/2009

  9. Hydrogen bonding occurs when there is an INTRAMOLECULAR bond... the INTERMOLECULAR bond, with high covalent character, between the hydrogen of one molecule and the O, N or F of an adjacent molecule. ...

    6 Answers · Science & Mathematics · 24/11/2010

  10. hydrogen peroxide is water with a extra oxygen, but it's unsafe to drink in reasonable...light acid, it would burn your throat on the way down. "Swallowing hydrogen peroxide solutions is particularly dangerous, as decomposition in the stomach...

    2 Answers · Science & Mathematics · 28/09/2009

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