Tuesday, 7 May 2013

2.16 recall the gases present in air and their approximate percentage by volume

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4 comments:

  1. Nitrogen - 78.08%
    Oxygen - 20.95%
    Argon - 0.93%
    Carbon dioxide - 0.038%
    Neon - 0.0018%
    Helium - 0.0005%
    Krypton - 0.0001%
    Hydrogen - 0.00005%
    Xenon - 0.000009%

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  2. Nitrogen N2 78.084
    Oxygen O2 20.947
    Argon Ar 0.934
    Carbon dioxide CO2 0.0350
    Neon Ne 0.001818
    Helium He 0.000524
    Methane CH4 0.00017
    Krypton Kr 0.000114
    Hydrogen H2 0.000053
    Nitrous oxide N2O 0.000031
    Xenon Xe 0.0000087
    Ozone* O3 trace to 0.0008
    Carbon monoxide CO trace to 0.000025
    Sulfur dioxide SO2 trace to 0.00001
    Nitrogen dioxide NO2 trace to 0.000002
    Ammonia NH3 trace to 0.0000003

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