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As air density decreases, the pressure it exerts decreases, but the pressure exerted on it increases.
Remember the equation:
PV=nRT
And since n=mass/molar mass,
P=nRT/D, density and pressure exerted ON the system have an inverse relationship--as one increases, the other decreases
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∙ 14y ago
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What do air density and air pressure have in common?
At a given temperature, the higher the air density, the higher the air pressure.
How does increasing attitude affect air pressure and density?
as the altitude increase, the effect of gravity become more insignificant on air and the air become more disperse or thinner hence it does affect the air pressure and density by decreasing both air pressure and density of the air.
What happens to air pressure as its moves away from earth?
It decreases as you move away from Earth. Close to Earth's surface, the air pressure (and density) decrease by a factor of 2, every 5 kilometers or so.
How does density change as air pressure increases?
If you have air in a tight cylinder piston system, when you apply pressure you will see the volume of the air reduced. The amount of mass of air is the same, but now it occupies less volume, the molecules are closer together, its density has increased.
How you calculate the dynamic pressure of fan?
Dynamic pressure of air = 0.5 * density * velocity of air = Pascal Where: Density = kg / cubic meter Velocity of air = m / s
What happens to the pressure when cool air cools?
pressure decreses
When the air is cool what is the pressure?
pressure decreses
What happens to air pressure when density decreases?
density decreases as air pressure increases
If the density of air decreases what happens to the pressure?
increases
What happens to air pressure when the density of air decreases?
it creates a big tornado
Does air have density and pressure?
Air has both density and pressure.
How does the density of the air affect pressure?
Pressure affects the density of air by increase of pressure increases the density
How does altitude affect density and air pressure?
Altitude has a large affect on the air pressure and air density. Air density reduces with altitude and air pressure reduces with altitude as well.
What happens to the air pressure when climbing mountains?
as the altitude increases density of air decreases. This makes it harder to breath.
What do air density and air pressure have in common?
At a given temperature, the higher the air density, the higher the air pressure.
How does altitude affect density and pressure?
Air pressure decreases as altitude increases. As air pressure decreases, so does density.
How air density related to air pressure?
As air pressure pressure decreases with altitude, so does the densite of air.
