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  1. Nitrogen is a chemical element which has the symbol N and atomic number..., constituting 78.08% percent of Earth's atmosphere. Nitrogen is a constituent element of all living tissues and amino ...

    5 Answers · Science & Mathematics · 07/10/2006

  2. Liquid nitrogen (liquid density at the triple point is 0.707 g/mL) is the liquid...often referred to by the abbreviation, LN2. It is pure nitrogen , in a liquid state. Liquid nitrogen has the UN number...

    2 Answers · Science & Mathematics · 01/06/2008

  3. ...you are talking about a set amount of N2, or moles of nitrogen and then you can compare the gas at different pressures, temperatures...

    4 Answers · Science & Mathematics · 15/09/2007

  4. Nitrogen doesn't absorb IR strongly. Water vapor, however, does, and that...planet. Without it, the planet would be an ice cube. Collisions between nitrogen , CO2, and water vapor molecules don't have any effect on this...

    2 Answers · Science & Mathematics · 14/08/2011

  5. Nitrogen is inert, and does not react with the Mercury in the thermometer... react with the Mercury, which is not desirable. Hence, Nitrogen is filled in the thermometer. This inertness of Nitrogen ...

    2 Answers · Science & Mathematics · 24/07/2010

  6. Frozen nitrogen would require an extremely high-pressure environment. We do not know of any gas or...; instead of keeping objects from breaking the surface, the nitrogen would be explosively sublimating away and there would be no surface tension at all...

    1 Answers · Science & Mathematics · 28/03/2008

  7. I'm guessing the nitrogen is gas (not liquefied) and can be treated as a perfect gas...that must be removed = 0.717 - 0.4236 = 0.2934mol Atomic weight of nitrogen is 14grams (e.g. look it up in periodic table), so the molecular weight (weight of...

    2 Answers · Science & Mathematics · 02/05/2013

  8. Nitrogen is far from inert, but it is much less reactive than oxygen. Maybe...in the air, plus maybe some lubricant fumes from the compressor. Bottled nitrogen will be clean and dry. The bit about not expanding is nonsense...

    7 Answers · Science & Mathematics · 20/06/2006

  9. ... and I though it was 4. Nitrogen has 7 electrons with 5 ... is -2. Similarly Nitrogen is -3. If you look at the same...

    5 Answers · Science & Mathematics · 13/07/2007

  10. ...build up. The best way to maximize the lifetime of a supply of liquid nitrogen is to use a high quality dewar flask, minimize the number of openings...

    2 Answers · Science & Mathematics · 21/03/2007

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