Carbon dioxide: Difference between revisions
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'''Carbon dioxide''' (chemical formula: CO<sub>2</sub>) is a chemical compound composed of two [[oxygen]] atoms covalently bonded to a single carbon atom. It is a gas at standard temperature and pressure and exists in [[Earth]]'s atmosphere in this state. It is currently at a globally averaged concentration of approximately 383 ppm by volume in the Earth's atmosphere, although this varies both by location and time. Carbon dioxide is an important greenhouse gas because it transmits visible light but absorbs strongly in the infrared. | '''Carbon dioxide''' (chemical formula: CO<sub>2</sub>) is a chemical compound composed of two [[oxygen]] atoms covalently bonded to a single carbon atom. It is a gas at standard temperature and pressure and exists in [[Earth]]'s atmosphere in this state. It is currently at a globally averaged concentration of approximately 383 ppm by volume in the Earth's atmosphere, although this varies both by location and time. Carbon dioxide is an important greenhouse gas because it transmits visible light but absorbs strongly in the infrared. | ||
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A significant number of the [[Orion Arm]]'s inhabited planets have Carbon dioxide-rich atmospheres, the best example being [[Kig-yar|Jackal]]'s homeworld [[Eayn]]. This would mean fire may not burn on these planets (depending on how rich the carbon dioxide is) , as carbon dioxide smothers fire by depriving it of oxygen. | A significant number of the [[Orion Arm]]'s inhabited planets have Carbon dioxide-rich atmospheres, the best example being [[Kig-yar|Jackal]]'s homeworld [[Eayn]]. This would mean fire may not burn on these planets (depending on how rich the carbon dioxide is) , as carbon dioxide smothers fire by depriving it of oxygen. | ||
[[Category:Chemical | [[Category:Chemical compounds]] | ||
Latest revision as of 17:57, March 19, 2022
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There is more information available on this subject at Carbon dioxide on the English Wikipedia. |
Carbon dioxide (chemical formula: CO2) is a chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. It is a gas at standard temperature and pressure and exists in Earth's atmosphere in this state. It is currently at a globally averaged concentration of approximately 383 ppm by volume in the Earth's atmosphere, although this varies both by location and time. Carbon dioxide is an important greenhouse gas because it transmits visible light but absorbs strongly in the infrared.
Carbon dioxide is produced by all animals, plants, fungi and microorganisms during aerobic respiration and is used by plants during photosynthesis. This is to make sugars which may either be consumed again in respiration or used as the raw material for plant growth. It is, therefore, a major component of the carbon cycle. Carbon dioxide is generated as a byproduct of the combustion of fossil fuels or vegetable matter, among other chemical processes. Inorganic carbon dioxide is output by volcanoes and other geothermal processes such as hot springs.
Carbon dioxide has no liquid state at pressures below 5.1 atm, but is a solid at temperatures below -78°C. In its solid state, carbon dioxide is commonly called dry ice.
A significant number of the Orion Arm's inhabited planets have Carbon dioxide-rich atmospheres, the best example being Jackal's homeworld Eayn. This would mean fire may not burn on these planets (depending on how rich the carbon dioxide is) , as carbon dioxide smothers fire by depriving it of oxygen.
