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What is the percent of oxygen in dry air?
The percent of oxygen in dry air is approximately 21%.
How many percent of oxygen did you breathe?
On average, humans breathe in about 21% oxygen from the air.
What makes up 21 percent of the air by volume?
Oxygen makes up 21 percent of the air by volume.
What are everyday items that contain oxygen?
Everyday items that contain oxygen include the air we breathe, water (H2O), hydrogen peroxide (H2O2), and many chemical compounds such as oxides and organic molecules that contain oxygen atoms.
What percent of the air we breath is oxygen?
Roughly 21% of the air we breathe is oxygen. Nitrogen makes up about 78% of the air, with the remaining 1% composed of various other gases.
Does air contain seventy eight percent hydrogen twenty one percent oxygen and 0.03 percantcarbon dioxide?
No.
What is the percent of oxygen in dry air?
The percent of oxygen in dry air is approximately 21%.
What particles does air-contain?
Air particles contain oxygen.
What is the percent of air out of oxygen carbon dioxide nitrogen and other gases?
Air contain 78,084 % nitrogen, 20,946 % oxygen, 0,9340 argon, 0,039445 carbon dioxide, etc; air without gases is ... vacuum.
How many percent of oxygen did you breathe?
On average, humans breathe in about 21% oxygen from the air.
How many substances are present in air?
Pure standard air contain nitrogen, oxygen, noble gases, carbon dioxide, water; the true, normal air contain many other impurities.
What makes up 21 percent of the air by volume?
Oxygen makes up 21 percent of the air by volume.
Does the atmosphere contain 21 percent air?
No - out atmosphere is made up of approximately 78% Nitrogen, 21% Oxygen and 1% other gasses.
What in the air that has 20 percent?
oxygen
Is water in the oxygen you breathe?
What we breathe is air, and oxygen is just 20% of the air. Oxygen does not contain water, it is an element and it contains only itself. However, air does contain some water vapor.
How many percent air is on the Earth?
Approximately 21% of Earth's atmosphere is composed of oxygen.
What makes up 21 percent of the air?
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
