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| rdfs:comment | - At room temperature and standard pressure, methane is a colorless, odorless gas; the smell characteristic of natural gas as used in homes is an artificial safety measure caused by the addition of an odorant, often methanethiol or ethanethiol. Methane has a boiling point of −161 °C at a pressure of one atmosphere. As a gas it is flammable only over a narrow range of concentrations (5–15%) in air. Liquid methane does not burn unless subjected to high pressure (normally 4–5 atmospheres).
- Methane is a colorless, odorless gas with the chemical formula CH4. It is the primary component of natural gas. In biology, it is created when sugars are metabolized in the absence of oxygen, typically by bacteria in the digestive tract. It is the primary component of flatulence, although hydrogen sulfide accounts for the smell.
- Methane (/ˈmɛθeɪn/ or /ˈmiːθeɪn/) is a chemical compound with the chemical formula CH4 (one atom of carbon and four atoms of hydrogen). It is the simplest alkane and the main component of natural gas. The relative abundance of methane makes it an attractive fuel, though capturing and storing it poses challenges due to its gaseous state found at standard conditions for temperature and pressure. In its natural state, methane is found both below ground, and under the sea floor, where it often finds its way to the surface and in the atmosphere of Earth where it is known as atmospheric methane.
- This is a balanced equation, which means the number of atoms on the left side equals the number of atoms on the right side. The purpose of a balanced chemical reaction is to determine the ratio of elements required to complete a reaction. This balanced equation shows that one molecule of methane requires two molecules of oxygen to make one molecule of carbon dioxide and two molecules of water.
- Methane (CH4) is a simple organic substance commonly found in the atmosphere of many different worlds across the universe. The simplest of hydrocarbons, a molecule of methane is composed of one carbon atom linked to four hydrogen atoms. On Earth-like planets, methane is a lighter-than-air gas and its presence contributes to the greenhouse effect. Many microorganisms are able to produce methane through a form of anaerobic respiration known as methanogenesis. On cold worlds like Titan, the largest moon of Saturn, the compound is found in the liquid state, forming methane lakes and ponds.
- Methane is a simple organic compound comprised of one carbon atom covalently bonded to four hydrogen atoms. Methane is flammable and widely used as a fuel. It is the principal component of "natural gas". Molecular mass: 16.0425 g/mol Chemical formula: CH4
- Methane was a type of gas. The atmosphere of the planet Merj was made up of methane, meaning that the native Morseerian species evolved to breath methane instead of oxygen, and thus had to wear breath masks when on planets with oxygen-based atmospheres. The clouds of the planet Bastatha were made of methane and sulfur.
- Methane was a chemical compound. Kroll produced methane during its long periods of dormancy on Delta III. This was harvested by a refinery set up by humans. Such large quantities were gathered that the native Swampies' rights were ignored in order to gather it. (TV: The Power of Kroll) The Vervoids could produce marsh gas, a methane derivative. (TV: Terror of the Vervoids) The Eye of Gaar was made of ammonia and methane ice. (PROSE: Hot Ice) The Thara relied on methane to survive. (PROSE: The Roots of Evil)
- Methane (CH4) is an element and elemental thing, gaseous under normal conditions. Planet P3X-289's atmosphere contains methane, sulfur dioxide and carbon monoxide. (SG1: "Revisions") One of the planets in the Goldilocks zone planets system has a frozen methane surface. (SGU: "Light")
- The simplest hydrocarbon, methane, is a gas with a chemical formula of CH4.
- Every time Lilith kills a rival agent, or one of Vryer's experiments fails, or Vladimir blows up the HQ of some enemy organization, Methane quickly arrives on the scene to remove the corpses and any incriminating remains. Crossing Methane's path can only mean two things, either you're already dead or you soon will be.
- Methane (CH4) is a flammable gas; a chemical compound with a molecular structure containing one carbon atom and four hydrogen atoms. Titan, a moon of Saturn, has methane lakes on its surface. (TOS - Starfleet Academy novel: The Gemini Agent) In the year 2365, a sensor scan by the Federation starship USS Enterprise-D registered methane comprising 23% of the atmosphere of the planet Theta VIII. (TNG episode: "The Royale") Borg drones apparently prefer methane, as it is one of the compounds found in the preferred Borg atmosphere, along with fluorine and carbon monoxide. (TNG movie: First Contact)
- Methane is a chemical compound with the molecular formula CH4. It is the simplest alkane, and the principal component of natural gas. Methane's bond angles are 109.5 degrees. Burning methane in the presence of oxygen produces carbon dioxide and water. The relative abundance of methane and its clean burning process makes it a very attractive fuel. However, because it is a gas at normal temperature and pressure, methane is difficult to transport from its source. In its natural gas form, it is generally transported in bulk by pipeline or LNG carriers; few countries still transport it by truck.
- The atmosphere of a Class K planet, such as Theta VIII, consists of methane, nitrogen, and liquid neon. (TNG: "The Royale" ) The Axanar breathed a nitrogen-methane atmosphere. (ENT: "Fight or Flight") In 2151, the Klingon courier Klaang led two Suliban pursuers into a grain silo on Earth, owned by a farmer named Moore. The silo contained methane, which Klaang detonated behind him, killing the Suliban. (ENT: "Broken Bow") In 2364, an accidental explosion from a methane-like gas occurred on the Sigma III colony on Quadra Sigma III. (TNG: "Hide and Q" )
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| abstract | - At room temperature and standard pressure, methane is a colorless, odorless gas; the smell characteristic of natural gas as used in homes is an artificial safety measure caused by the addition of an odorant, often methanethiol or ethanethiol. Methane has a boiling point of −161 °C at a pressure of one atmosphere. As a gas it is flammable only over a narrow range of concentrations (5–15%) in air. Liquid methane does not burn unless subjected to high pressure (normally 4–5 atmospheres).
- Methane is a colorless, odorless gas with the chemical formula CH4. It is the primary component of natural gas. In biology, it is created when sugars are metabolized in the absence of oxygen, typically by bacteria in the digestive tract. It is the primary component of flatulence, although hydrogen sulfide accounts for the smell.
- Methane (/ˈmɛθeɪn/ or /ˈmiːθeɪn/) is a chemical compound with the chemical formula CH4 (one atom of carbon and four atoms of hydrogen). It is the simplest alkane and the main component of natural gas. The relative abundance of methane makes it an attractive fuel, though capturing and storing it poses challenges due to its gaseous state found at standard conditions for temperature and pressure. In its natural state, methane is found both below ground, and under the sea floor, where it often finds its way to the surface and in the atmosphere of Earth where it is known as atmospheric methane.
- This is a balanced equation, which means the number of atoms on the left side equals the number of atoms on the right side. The purpose of a balanced chemical reaction is to determine the ratio of elements required to complete a reaction. This balanced equation shows that one molecule of methane requires two molecules of oxygen to make one molecule of carbon dioxide and two molecules of water.
- The atmosphere of a Class K planet, such as Theta VIII, consists of methane, nitrogen, and liquid neon. (TNG: "The Royale" ) The Axanar breathed a nitrogen-methane atmosphere. (ENT: "Fight or Flight") In 2151, the Klingon courier Klaang led two Suliban pursuers into a grain silo on Earth, owned by a farmer named Moore. The silo contained methane, which Klaang detonated behind him, killing the Suliban. (ENT: "Broken Bow") In 2364, an accidental explosion from a methane-like gas occurred on the Sigma III colony on Quadra Sigma III. (TNG: "Hide and Q" ) The surface of the planet Alpha Onias III contained high, but non-toxic levels of sulfur dioxide, methane, and hydrogen sulfide. (TNG: "Future Imperfect" ) In 2370, the USS Enterprise-D inspected the vessel USS Raman via an interface probe controlled by Geordi La Forge. The probe entered a hull breach in the aft section of the Raman and detected atmospheric gases inside the corridor – primarily methane and ammonia. (TNG: "Interface" ) In an alternate timeline where the Borg assimilated Earth after stopping Zefram Cochrane's warp flight, the planet had an atmosphere of methane, carbon monoxide, and fluorine in 2373. (Star Trek: First Contact) There were traces of potassium nitrate, ammonium, and methane in the back of a truck the USS Voyager found drifting in space in 2371. Kathryn Janeway identified it as horse manure. (VOY: "The 37's") A class 6 gas giant encountered by the USS Voyager in 2375 had a layer of liquid hydrogen and methane ten thousand kilometers below the outer atmosphere. (VOY: "Extreme Risk")
- Methane (CH4) is a simple organic substance commonly found in the atmosphere of many different worlds across the universe. The simplest of hydrocarbons, a molecule of methane is composed of one carbon atom linked to four hydrogen atoms. On Earth-like planets, methane is a lighter-than-air gas and its presence contributes to the greenhouse effect. Many microorganisms are able to produce methane through a form of anaerobic respiration known as methanogenesis. On cold worlds like Titan, the largest moon of Saturn, the compound is found in the liquid state, forming methane lakes and ponds.
- Methane is a simple organic compound comprised of one carbon atom covalently bonded to four hydrogen atoms. Methane is flammable and widely used as a fuel. It is the principal component of "natural gas". Molecular mass: 16.0425 g/mol Chemical formula: CH4
- Methane was a type of gas. The atmosphere of the planet Merj was made up of methane, meaning that the native Morseerian species evolved to breath methane instead of oxygen, and thus had to wear breath masks when on planets with oxygen-based atmospheres. The clouds of the planet Bastatha were made of methane and sulfur.
- Methane is a chemical compound with the molecular formula CH4. It is the simplest alkane, and the principal component of natural gas. Methane's bond angles are 109.5 degrees. Burning methane in the presence of oxygen produces carbon dioxide and water. The relative abundance of methane and its clean burning process makes it a very attractive fuel. However, because it is a gas at normal temperature and pressure, methane is difficult to transport from its source. In its natural gas form, it is generally transported in bulk by pipeline or LNG carriers; few countries still transport it by truck. Methane is a relatively potent greenhouse gas with a high global warming potential of 72 (averaged over 20 years) or 25 (averaged over 100 years). Methane in the atmosphere is eventually oxidized, producing carbon dioxide and water. As a result, methane in the atmosphere has a half life of seven years (if no methane were added, then every seven years, the amount of methane would halve). The abundance of methane in the Earth's atmosphere in 1998 was 1745 parts per billion, up from 700 ppb in 1750. In the same time period, CO2 increased from 278 to 365 parts per million. The radiative forcing effect due to this increase in methane abundance is about one-third of that of the CO2 increase. In addition, there is a large, but unknown, amount of methane in methane clathrates in the ocean floors. The Earth's crust contains huge amounts of methane. Large amounts of methane are produced anaerobically by methanogenesis. Other sources include mud volcanoes, which are connected with deep geological faults, and livestock, primarily cows.
- Methane (CH4) is a flammable gas; a chemical compound with a molecular structure containing one carbon atom and four hydrogen atoms. Titan, a moon of Saturn, has methane lakes on its surface. (TOS - Starfleet Academy novel: The Gemini Agent) In the year 2365, a sensor scan by the Federation starship USS Enterprise-D registered methane comprising 23% of the atmosphere of the planet Theta VIII. (TNG episode: "The Royale") Borg drones apparently prefer methane, as it is one of the compounds found in the preferred Borg atmosphere, along with fluorine and carbon monoxide. (TNG movie: First Contact) In an alternate timeline where the Borg were able to assimilate entire star systems in the Alpha Quadrant, increasing levels of methane were noted in the atmospheres of Alpha Centauri and Andor while the Borg adapted their worlds. (Star Trek novel: Engines of Destiny)
- Methane was a chemical compound. Kroll produced methane during its long periods of dormancy on Delta III. This was harvested by a refinery set up by humans. Such large quantities were gathered that the native Swampies' rights were ignored in order to gather it. (TV: The Power of Kroll) The Vervoids could produce marsh gas, a methane derivative. (TV: Terror of the Vervoids) The Eye of Gaar was made of ammonia and methane ice. (PROSE: Hot Ice) The Thara relied on methane to survive. (PROSE: The Roots of Evil)
- Methane (CH4) is an element and elemental thing, gaseous under normal conditions. Planet P3X-289's atmosphere contains methane, sulfur dioxide and carbon monoxide. (SG1: "Revisions") One of the planets in the Goldilocks zone planets system has a frozen methane surface. (SGU: "Light")
- The simplest hydrocarbon, methane, is a gas with a chemical formula of CH4.
- Every time Lilith kills a rival agent, or one of Vryer's experiments fails, or Vladimir blows up the HQ of some enemy organization, Methane quickly arrives on the scene to remove the corpses and any incriminating remains. Crossing Methane's path can only mean two things, either you're already dead or you soon will be.
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