What is the pressure of air in PA?

What is the pressure of air in PA?

101325 Pa
Altitude variation

Parameter Description Value
p0 Sea level standard atmospheric pressure 101325 Pa
L Temperature lapse rate, = g/cp for dry air ~ 0.00976 K/m
cp Constant-pressure specific heat 1004.68506 J/(kg·K)
T0 Sea level standard temperature 288.16 K

What is the pressure of air sea level?

14.7 pounds per square inch
At sea level, the weight of the air above this unit area would (on average) weigh 14.7 pounds! That means pressure applied by this air on the unit area would be 14.7 pounds per square inch. Meteorologists use a metric unit for pressure called a millibar and the average pressure at sea level is 1013.25 millibars.

What does PA mean in pressure?

pascal (Pa), unit of pressure and stress in the metre-kilogram-second system (the International System of Units [SI]).

Where is the air pressure highest?

Siberia, Russia
The highest barometric pressure ever recorded was 1083.8mb (32 in) at Agata, Siberia, Russia (alt. 262m or 862ft) on 31 December 1968. This pressure corresponds to being at an altitude of nearly 600 m (2,000 ft) below sea level!

How many pascals are in a vacuum?


Pressure range Definition
<100 Pa to 0,1 Pa medium (fine) vacuum
<0,1 Pa to 1 × 10−6 Pa high vacuum (HV)
<1×10−6 Pa to 1 × 10−9 Pa ultra-high vacuum (UHV)
below 1 × 10−9 Pa extreme-high vacuum (XHV)

What is Pa measurement?

pascal (Pa), unit of pressure and stress in the metre-kilogram-second system (the International System of Units [SI]). It was named in honour of the French mathematician-physicist Blaise Pascal (1623–62).

Are all seas at sea level?

The sea level varies around the globe. Most people are surprised to learn that, just as the surface of the Earth is not flat, the surface of the ocean is not flat, and that the surface of the sea changes at different rates around the globe.

Where is the air pressure highest stratosphere moon or sea level?

Air pressure is highest at the sea level.

What is the average air pressure at sea level quizlet?

where the height of a mercury column provides a measure of air pressure (standard atmospheric pressure at sea level equals 29.92 inches or 760 millimeters).

What is Pa for vacuum?

Pa vacuum pressure unit Pascal is the official SI unit for vacuum pressure and consequently widely used in physical sciences. One pascal is the force of one Newton per square meter acting perpendicular on a surface. Pascal is named after the French mathematician, physicist and inventor Blaise Pascal.

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