CH4 - Atmospheric Density Flashcards Preview

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Flashcards in CH4 - Atmospheric Density Deck (6)
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1

Which is more dense cold or hot air?

Cold air because it's compact, whilst hot air is expanded so molecules have more space in between.

2

What happen with density if humidity is increased?

Density will decrease.

3

Characteristics of cold and hot air.

Cold air = less water vapour = < density
Hot air = more water vapour = > density

4

Density can be splitted into two different types, which are... ?

Relative density and density altitude.

5

What are the factors affecting air density?

Temperature, humidity and pressure.

6

What is the air density at mean sea level?

1225 gm/m3.