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634588
Atmospheres
Descrição
GCSE Science (Chemistry) Mapa Mental sobre Atmospheres, criado por Molly Munyard em 14-03-2014.
Sem etiquetas
chemistry
science
science
chemistry
gcse
Mapa Mental por
Molly Munyard
, atualizado more than 1 year ago
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Criado por
Molly Munyard
mais de 10 anos atrás
52
1
0
Resumo de Recurso
Atmospheres
Earth
Oxygen
O2
Carbon dioxide
CO2
Nitrogen
N2
Argon
Ar
Water/steam
H2O
Others (less important)
SO2
H2
CO
NOx
Mars
Cool
-200-+100 degrees C
H2O
solid (s)
Ice caps
Liquid (l)
Underground
CO2 (g)
Venus
Hot
400 degrees C
CO2 (g)
The modern atmosphere
Water vapour in Earth's atmosphere varies up to 4%
An experiment to prove that 21% of the air is oxygen
At the start 100cm cubed of air contained
78cm cubed nitrogen
21cm cubed oxygen
1cm cubed argon
At the end only 8cm cubed of air remained
78cm cubed N2
1cm cubed Ar
All oxygen was used in the reaction
Reaction:
copper+oxygen
Copper oxide
2Cu+O2
2CuO
Page 155
Name three elements and two compounds that are present in the atmosphere
Oxygen
O2
Nitrogen
N2
Argon
Ar
Water/steam
H2O
Carbon dioxide
CO2
Describe how nitrogen and oxygen are obtained from the atmosphere
Fractional distillation
Give one use each for nitrogen, oxygen and argon
Oxygen
Used to treat patients
Nitrogen
Freezes products
Argon
Filament light bulbs are filled with Argon
Anexos de mídia
pie_chart_of_gases_2 (image/png)
Amount-Oxygen-in-Air.gif (image/gif)
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