Question

What is the composition of air?


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Answer 1

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.

Answer 2

Answer:

Chemical Composition of Air:

Air is a mixture of gases which makes up the Earth’s atmosphere. These gases are colourless and odourless and hence, we can’t see them but only feel them. The atmosphere is an ocean of these gases. It consists of 78% nitrogen, 21% oxygen and 1 % other gases and water vapour. The moisture content varies from place to place. Arid regions have less moisture content as compared to wetlands.

• The water vapour or moisture content of air varies. The maximum moisture carrying capacity of air depends primarily on temperature
• The composition of air is unchanged until the elevation of approximately 10.000 m.

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