Which gas is least component of air?

Lauretta Rowe asked a question: Which gas is least component of air?
Asked By: Lauretta Rowe
Date created: Sat, May 22, 2021 4:25 AM
Date updated: Thu, May 26, 2022 5:55 AM


Video answer: Structure of the atmosphere

Structure of the atmosphere

Top best answers to the question «Which gas is least component of air»

the least component in the air is helium which is listed in other air components (1%) .


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Video answer: Air


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This means air contains incombustible gases (gases which don’t support combustion) too. This is majorly due to the presence of nitrogen. Nitrogen occupies nearly 78% of earth’s atmosphere and is the most abundant gas on our planet.

Air is made up of 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and other gases in meager amounts. Water vapor is also a constituent of air in varying amounts along with dust particles. The molar mass of dry air or air with no/low quantity of water vapor in it is 28.97g/mol.

The composition of air consists of three key components of air, namely Nitrogen (78%), Oxygen (21%), Argon (1%), Carbon-di-oxide (0.03%) and water vapor. Air also has some other gases but they are in very minute percentage .

Together, these three gases make up 99.96% of dry air. All three can be economically recovered as industrial gas products. Standard dry air also contains a small amount of carbon dioxide, and very small amounts of neon, helium, krypton, hydrogen and xenon (see table below).

Component of a solution with higher proportion is called as a solvent. Component of a solution with smaller proportion is called as a solute . Since Nitrogen percentage (78) is higher in air — Nitrogen is considered as a solvent. Percentage of OXYGEN is lesser than Nitrogen in air — Oxygen is considered as a Solute .

Methane is nothing else than the main component of “natural gas” (and also the cooking gas of most people, and…the firedamp so feared by coalminers) and is formed as soon as any organic compound decays (through putrefaction or fermentation) in the absence of air (actually in the absence of oxygen), for example under water or under the ground.

Air is a mixture of several gases, where the two most dominant components in dry air are 21 vol% oxygen and 78 vol% nitrogen. Oxygen has a molar mass of 15.9994 g/mol and nitrogen has a molar mass of 14.0067 g/mol. Since both of these elements are diatomic in air - O2 and N2, the molar mass of oxygen gas is 32 g/mol and the molar mass of nitrogen ...

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