Chemistry- The Atmosphere Today

Compostion of the Atmosphere today:

(http://www.asc-csa.gc.ca/images/spacesuit_composition.jpg)

The proportion of the theses gases in the atmosphere has remained the same for the last 200 million years.

The amount of water vapour changes due to changes in weather and humidity.

The gases in the air can be seperated with fractional distillation.

How does Fractional Distillation work?

  • air is cooled down
  • H2O + CO2 soldify and are removed
  • at -200 degrees all the remaining gases have…

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