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Because that is the definition of 1 atmosphere at standard temperature.

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12y ago

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What is the pressure in 0.997 ATM?

This pressure, of nearly one atm., is basically the atmospheric pressure which exists at sea level.


Why is the pressure at 14000 ft above sea level 0.69 ATM while the pressure at 14000 ft below sea level is 470 ATM?

The pressure at different altitudes depends on the weight of the air column above that point. At 14000 ft above sea level, there is less air above causing lower pressure (0.69 ATM). Conversely, at 14000 ft below sea level, there is more air above causing higher pressure (470 ATM).


What is the standard sea- level pressure?

Standard air pressure at sea level is 1 atmosphere, or 1 atm. This is the adopted standard atmosphere value, but sea level pressure will not always equal to this value due to changes in weather. 1 atm = 101 325 pascals = 1.01325 bars.


At sea level the gauge pressure for a time is 25 psi What is the internal pressure in atms?

To convert gauge pressure to absolute pressure, you need to add the atmospheric pressure. Since the atmospheric pressure at sea level is 1 atm, the internal pressure in this case would be 2.7 atm (25 psi gauge pressure = 1.7 atm + 1 atm atmospheric pressure).


What is the laboratory air pressure in ATM?

The air pressure changes based on altitude, but at sea level, it is 1 atm, or 760mmHg, or 760Torr.


What is atm in chemistry?

In chemistry, atm stands for atmosphere, which is a unit of pressure equal to the average air pressure at sea level (approximately 1 atm). It is commonly used to measure gas pressure in laboratory experiments.


What is 1 atm-?

It's a measure of pressure. Specifically, it's the amount of pressure exerted by the air in the atmosphere at sea level.


What would the atmospheric pressure be on a beach in California?

It would be 1.0 ATM because it is at sea level.


What is the pressure if you 500 meters below sea level?

The pressure at 500 meters below sea level is approximately 5 atm (atmospheres), which is equivalent to about 73 psi (pounds per square inch). This pressure increases by approximately 1 atm for every 10 meters of depth.


What does 1 ATM equals to?

ATM stands for atmosphere- the air pressure at the surface at sea level- about 14.6959 pounds per sq. inch.


What is normal atmosphere measured in?

Atmospheric pressure is measured by a barometer and expressed in millibars. Normal atmospheric pressure at sea level is 1013 millibars.


One ATM equals standard ATMospheric pressure at sea level Choose the correct measure of one ATM?

Atmospheric pressure refers to the force per unit area exerted against a surface by the weight of air above that surface in the Earth's atmosphere. The standard atmosphere (symbol: atm) is a unit of pressure at sea level and is equal to 101325 Pascal.