Oxygen gas diffuses faster than air because air is a mixture of gases that includes nitrogen, oxygen, carbon dioxide, and other gases, which can affect the overall diffusion rate. Oxygen, being a pure gas, has a higher diffusion rate compared to air.
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Oxygen gas diffuses faster than air because oxygen molecules are smaller and lighter than the molecules of air, which is mostly composed of nitrogen and oxygen. This allows oxygen molecules to move more quickly through a medium, such as air or other gases.
This is the alveoli, which are tiny air sacs in the lungs where gas exchange occurs. Oxygen diffuses from the air into the blood, while carbon dioxide diffuses from the blood into the air in the alveoli.
Oxygen is the gas that enters the blood during inspiration. It is taken into the lungs from the outside air and then diffuses into the blood vessels in the lungs.
Ammonia diffuses faster than methane due to its lighter molecular weight and its smaller size. This allows ammonia molecules to move more quickly through a medium, such as air or another gas, compared to methane molecules.
Bromine diffuses faster in a vacuum because there are no other gas molecules to impede its movement. In the absence of other gas molecules, bromine is able to move freely and quickly through the vacuum.