Gases in the Atmosphere Flashcards
1
Q
What percentage of the air is made up of nitrogen
A
78%
2
Q
What percentage of the air made up of oxygen
A
21%
3
Q
What percentage of the air is made up of argon
A
0.9%
4
Q
What percentage of the air is made up of CO2
A
0.04%
5
Q
The sun emits…
A
short wavelength radiation which is absorbed by the earth
6
Q
The earth as a result emits…
A
Longer wavelength radiation which is absorbed by the atmosphere which as a result warms the atmosphere up
7
Q
What do you do to check for CO2
A
Put it in limewater and see if it goes cloudy
8
Q
What do you do to check for oxygen
A
Light a splint and put it into the oxygen and see if it re-ignites in the oxygen
9
Q
How do you find the percentage of oxygen
A
Initial air volume - final air volume / initial air volume x 100
