ethylene wikipedia - EAS
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Xem tất cả trên WikipediaEthylene - Wikipedia
https://en.wikipedia.org/wiki/EthyleneEthylene (IUPAC name: ethene) is a hydrocarbon which has the formula C 2H 4 or H2C=CH2. It is a colorless flammable gas with a faint "sweet and musky" odor when pure. It is the simplest alkene (a hydrocarbon with carbon-carbon double bonds). Ethylene is widely used in the chemical industry,
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Xem thêmThis hydrocarbon has four hydrogen atoms bound to a pair of carbon atoms that are connected by a double bond. All six atoms that comprise ethylene are coplanar. The H-C-H angle is 117.4°, close to the 120° for ideal sp²
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Major industrial reactions of ethylene include in order of scale: 1) polymerization, 2) oxidation, 3) halogenation and hydrohalogenation, 4) alkylation, 5) hydration, 6) oligomerization, and 7) hydroformylation. In the United States and Europe,
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Xem thêmGlobal ethylene production was 107 million tonnes in 2005, 109 million tonnes in 2006, 138 million tonnes in 2010, and 141 million tonnes in 2011. By 2013, ethylene was produced by at least 117 companies in 32 countries. To meet the ever-increasing demand
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Xem thêmSome geologists and scholars believe that the famous Greek Oracle at Delphi (the Pythia) went into her trance-like state as an effect of ethylene rising from ground faults.
Ethylene appears to have been discovered by Johann Joachim Becher...
Xem thêmEthylene is a fundamental ligand in transition metal alkene complexes. One of the first organometallic compounds, Zeise's salt is a complex of ethylene. Useful reagents containing ethylene include Pt(PPh3)2(C2H4) and Rh2Cl2(C2H4)4. The Rh
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Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồi乙烯 - 維基百科，自由的百科全書
https://zh.wikipedia.org/zh-tw/乙烯Xem thêm trên zh.wikipedia.org乙烯有4個氫原子，碳原子之間以雙鍵連接，6個原子共面。H-C-C鍵角為121.3°；H-C-H鍵角為117.4°，接近120°，是理想的sp2混成軌域。這種分子也比較僵硬：旋轉C=C鍵是一個高吸熱過程，需要打破π鍵而保留σ鍵。 雙鍵是一個高電子密度的區域，因而大部分反應發生在這個位置。- Thời gian đọc ước tính: 7 phút
環氧乙烷 - 維基百科，自由的百科全書
https://zh.wikipedia.org/zh-tw/环氧乙烷Wikipedia®和維基百科標誌是維基媒體基金會的註冊商標；維基 是維基媒體基金會的商標。 維基媒體基金會是按美國國內稅收法501(c)(3)登記的非營利慈善機構。 隱私政策 關於維基百科 免責聲明 行動版檢視 開發人員 統計 Cookie 聲明
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Ethylene as a plant hormone - Wikipedia
https://en.wikipedia.org/wiki/Ethylene_as_a_plant_hormoneEthylene (CH 2=CH 2) is an unsaturated hydrocarbon gas (alkene) acting naturally as a plant hormone. It is the simplest alkene gas and is the first gas known to act as hormone. It acts at trace levels throughout the life of the plant by stimulating or regulating the ripening of fruit, the opening of flowers, the abscission (or shedding) of leavesand, in aquatic and semi-aquatic species, pr…
Wikipedia · Nội dung trong CC-BY-SA giấy phépEthylen – Wikipedia tiếng Việt
https://vi.wikipedia.org/wiki/EthylenEthylen, (tiếng Anh: ethylene, tên IUPAC: ethene) có công thức hóa học là CH2=CH2, là chất đầu tiên trong dãy đồng đẳng hydrocarbon alken. Đây là hợp chất hữu cơ được sản xuất nhiều nhất trên thế giới, khoảng hơn 150 triệu tấn vào năm 2016. Hydrat của ethylen là etanol .
- Danh pháp IUPAC: Ethylene
- SMILES: đầy đủ, C=C
- InChI: đầy đủ, 1/C2H4/c1-2/h1-2H2
- Số RTECS: KU5340000
Ethylene glycol - Wikipedia
https://en.wikipedia.org/wiki/Ethylene_glycolEthylene glycol is produced from ethylene (ethene), via the intermediate ethylene oxide. Ethylene oxide reacts with water to produce ethylene glycol according to the chemical equation : C2H4O + H2O → HO−CH2CH2−OH. This reaction can be catalyzed by either acids or bases, or can occur at neutral pH under elevated temperatures.
Ethylene oxide - Wikipedia
https://en.wikipedia.org/wiki/Ethylene_oxideEthylene oxide scrubber: After the gaseous stream from the main reactor, containing ethylene oxide (1–2%) and CO 2 (5%), is cooled, it is then passed to the ethylene oxide scrubber. Here, water is used as the scrubbing media which scrubs away majority of ethylene oxide along with some amounts of CO 2 , N 2 , CH 2 =CH 2 , CH 4 and aldehydes (introduced by the recycle …
Éthylène — Wikipédia
https://fr.wikipedia.org/wiki/ÉthylèneL'éthylène est une hormone qui inhibe la floraison sauf chez certaines espèces comme le manguier, chez lequel on synchronise la floraison des fruits en apportant de l'éthylène sur l'arbre. L'éthylène peut changer la nature des organes floraux. Chez les espèces monoïques, c'est une hormone féminisante.
Acetylene - Wikipedia
https://en.wikipedia.org/wiki/AcetyleneAcetylene (systematic name: ethyne) is the chemical compound with the formula C2H2. It is a hydrocarbon and the simplest alkyne.[7] This colorless gas is widely used as a fuel and a chemical building block. It is unstable in its pure form and thus is usually handled as a solution.[8] Pure acetylene is odorless, but commercial grades usually ...
Polyethylene terephthalate - Wikipedia
https://en.wikipedia.org/wiki/Polyethylene_terephthalatePolyethylene terephthalate is produced from ethylene glycol (usually referred to in the trade as "MEG", for monoethylene glycol) and dimethyl terephthalate (DMT) (C 6 H 4 (CO 2 CH 3) 2) but mostly terephthalic acid (known in the trade as "PTA", for purified terephthalic acid). As of 2022, ethylene glycol is made from ethane found in natural gas ...
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