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What does outgassing mean?

Updated: 9/24/2023
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Q: What does outgassing mean?
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What is outgassing?

What is "outgassing"


What is outgassing in earth science?

Outgassing is the release of trapped gases from within the earths interior to the earths atmosphere. It also includes outgassing at the smaller scale, such as the mostly porous pumice.


What was the source of original atmosphere of early earth?

outgassing from rocks


What is the outpouring gas that comes from the earth's hot interior?

Outgassing


What volcanic process most likely formed Earth's atmosphere?

Outgassing


The first major source of oxygen gas was?

Volcanic Outgassing :D


What was not produces in volcanic outgassing?

Oxygen (This is the correct answer, not sulfur)


what is the escape of water vapor and gases from a cooling Earth collectively known as?

Outgassing


The dissolved materials in seawater are thought to originate from?

outgassing of elements from Earth's interior.


What is meant by outgassing and what modern phenomenon serves that role today?

The process that generated Earth's first enduring atmosphere through which gases trapped in the planet's interior are released. The outgassing from hundreds of active volcanoes still remains an important planetary function worldwide.


How do you produce high vacuum?

Achieving high vacuum is difficult because all of the materials exposed to the vacuum must be carefully evaluated for their outgassing and vapor pressure properties.Ultra high vacuum generally requires custom built equipment, strict operational procedures, and a fair amount of trial and error . Ultra high vacuum systems are usually made of stainless steel with metal gasketed conflat flanges. The system is usually baked, preferably under vacuum, to temporarily raise the vapour pressure of all outgassing materials in the system and boil them off. If necessary, this outgassing of the system can also be performed at room temperature, but this takes much more time. Once the bulk of the outgassing materials are boiled off and evacuated, the system may be cooled to lower vapour pressures to minimize residual outgassing during actual operation. Some systems are cooled well below room temperature byliquid nitrogen to shut down residual outgassing and simultaneously cryopump the system.


What gives spice pandan its aromatic scent?

Room temperature outgassing of aromatic oils and other volatiles