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Gas Behaviour - Why is it important for scientists to understand? -…
Gas Behaviour - Why is it important
for scientists to understand?
Gases are important to life on Earth
Earth's atmosphere is made up of
gases which are life sustaining
O2 - 21%
Other trace gases
N2 - 78%
Gases are reactants for basic processes of living organisms
Photosynthesis
Cellular Respiration
Used in cooking
To inflate objects
Tyres
Balloons
Used as fuels
Create energy to power devices
Air bags
Make use of the rapid movement of gas particles produced in a chemical reaction to fill all available space (i.e. decomposition of sodium aside NaN3)
Important in any situations where the atmosphere is different to that at sea level and therefore controlled in some way
Air travel
Space travel
Hot air ballooning
Hyperbaric oxygen chambers
Warfare
Gases used in war
Weather information
barometric/atmospheric pressure
provides data for meteorologists to predict and understand weather patterns
e.g. High vs. low pressure systems