- The Chemical Composition of Air - ThoughtCo
Nearly all of Earth's atmosphere (air) is comprised of a mere five gases: nitrogen, oxygen, water vapor, argon, and carbon dioxide Several other compounds are also present in our air in trace amounts
- Air | Composition, Oxygen, Nitrogen | Britannica
Air, mixture of gases comprising the Earth’s atmosphere The mixture contains a group of gases of nearly constant concentrations and a group with concentrations that are variable in both space and time
- Whats in the Air? - Center for Science Education
Air is a mixture of gases, most of which are naturally occurring Air also contains a significant amount of human-made air pollutants, including some that are not safe to breathe and some that are causing the climate to warm
- What Is Our Air Made Of? - The Institute for Environmental Research and . . .
Our air, the very breath of life, is primarily a mixture of gases, with nitrogen and oxygen comprising the vast majority Minor components like argon, carbon dioxide, and trace amounts of other gases play crucial, albeit often overlooked, roles in maintaining Earth’s delicate atmospheric balance
- What Is Air Made Of? The Gases Around Us Explained
Surprisingly, the air we breathe is not mostly oxygen, even though we need oxygen to live The largest part of air—about 78% —is made of nitrogen Nitrogen is a very stable gas It doesn’t react much with other substances, which is why it makes up most of our atmosphere
- Composition of the atmosphere - BBC Bitesize
Our planet is surrounded by an invisible shell of air, called the atmosphere, held in place by the Earth’s gravitational field It’s made up of a mixture of different gases About 78% of the
- Air - Composition and Molecular Weight - The Engineering ToolBox
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
- What Is the Air That We Breathe Composed Of? - Biology Insights
Dry air, excluding water vapor, consists of approximately 78 08% nitrogen and 20 95% oxygen by volume Another significant component is argon, which accounts for about 0 93% of the atmosphere
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