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One standard atmosphere is defined as a sea-level-extrapolated pressure of 1013.25 hectoPascals (millibars) at 0oC, or about 29.92" to use the most commonly-reported format. There is more to the standard atmosphere than this however - it also has other parameters such as temperature, density, etc., for a wide range of altitudes. It was established by the International Organization for Standardization in 1975. There are a couple of other 'standard atmospheres' floating around but all are identical up to 32km altitude. I'm not sure, and was unable to find out, if chemical composition is part of the definition.
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∙ 11y ago
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What is meant by 'ideal conditions' relative to stoichiometric calculations?
STP Standard Temperature and Pressure 0 degrees C and 101.3 kPa pressure
What is the Standard pressure of a substance to become a gas?
Standard pressure is defined as 1atm, or 760mmHg. This is sea-level atmospheric pressure here on earth.
Standard pressure is what?
It is mean atmospheric pressure at sea level.
What units are used to measure atmosheric pressure?
The SI unit for pressure is a Pascal but in this case the standard unit is the standard atmosphere (= 101325 Pa).
Comparison between normal temperature pressure and standard temperature pressure?
there is no difference
What is meant by 'ideal conditions' relative to stoichiometric calculations?
STP Standard Temperature and Pressure 0 degrees C and 101.3 kPa pressure
What is meant by atmospheric pressure is 1 ATM?
It just means that the pressure you're measuring is approximately the same as Earth's air pressure at sea level.
What is the standard value for air pressure?
The 'standard' air pressure is 14 psi.
What is the standard temperature pressure of the element lithium?
Lithium is a solid metal at standard temperature and pressure.
What is the Standard pressure of a substance to become a gas?
Standard pressure is defined as 1atm, or 760mmHg. This is sea-level atmospheric pressure here on earth.
How standard atmospheric pressure is related to pascal?
1 atm (standard atmospheric pressure) is 101,325 kPa.
How standard atmospheric pressure relates to pascale?
1 atm (standard atmospheric pressure) is 101,325 kPa.
What is meant pressure?
force/area
What is the standard temperature and pressure for 6.00 moles of Br2?
For chemistry, after IUPAC rules the standard temperature is 0 oC and the standard pressure is1 bar.
Which element is a liquid at 758 K and standard pressure?
Gold is a liquid at 758K and standard pressure.
Standard pressure is what?
It is mean atmospheric pressure at sea level.
Is hydrogen sulfide a solid at standard room temperature and pressure?
No: hydrogen sulfide is a gas at standard room temperature and pressure
