«ETHYNE»に関連する英語の本
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1
Concise Encyclopedia Chemistry
4) Dimerization of ethyne with ammonium and copper(I) chlorides as catalysts
produces vinylethyne, the starting material for chloroprene: CH2=CC1- CH=CH2.
Keppe syntheses include: 5) Vinylation. In addition to hydrogen halides and
water ...
The general formula of this homologous scries is CnH,II_1. They arc named by
changing the name of the corresponding a\kane to end in -yne. Some members
are: HC=CH CH3— C=C— CH3 Ethyne But-2-ync The model of cthync in Figure
...
3
Salters Higher Chemistry
Ethyne, the simplest alkyne, has the structure H — Cs=C — H. You can read
about alkynes in Section 17.4. When molecules of ethyne polymerise, the product
, poly(ethyne), is a molecule which contains alternating single and double bonds.
4
Handbook of Data on Common Organic Compounds
... Ethymal: 11141 Ethyne: 5927 Ethyne, bis(1-hydroxycyclohexyl): 4520 Ethyne,
bromo-: 5928 Ethyne, butoxy-: 3373 Ethyne, chloro-: 5929 Ethyne, dibromo-:
5930 Ethyne, dichloro-: 5931 Ethyne, diiodo-: 5932 Ethyne, diphenyl-: 1712
Ethyne, ...
David R. Lide, G.W.A. Milne, 1995
Alkynes Alkynes form a class of unsaturated hydrocarbons. They differ from the
alkenes by the presence of a C=C triple bond instead of a C=C double bond.
Ethyne, the simplest alkyne, has the structure Hfs /"• II U ^= O n. Other alkynes are
...
6
Competition Science Vision
The simplest member of this class is ethyne (acetylene), C2H2. Both carbon
atoms are sp hybridised in ethyne and hence the molecule of ethyne is linear
having bond angle of 180°. In ethyne (HC = CH), the C = C has a bond strength
of ...
As the following examples show, the hybridization of the atom bonded to the
hydrogen has a large effect on the acidity of that hydrogen: H±C±C±H HW WH
HW WH Ethane pKa 50 CœC ± ±± ± H H H H Ethene pKa 44 H±CPC±H Ethyne
pKa ...
8
Understanding Chemistry for Advanced Level
The combustion of ethyne is of great practical importance. The non-systematic
name for ethyne is acetylene and its combustion provides the heat for oxy-
acetylene welding and cutting torches. 8.3 Mess's law Hess's law states that the
total ...
Ted Lister, Janet Renshaw, 1999
9
Basic Atomic and Molecular Spectroscopy
Figure 6.6 The normal modes of vibration of ethyne (acetylene) Infrared v4 612
729 involving hydrogen atoms, such as v, and v., of both water and ethyne, are
very high, in excess of 3000 cm '. The waven umber for the stretching of a
multiple ...
John Michael Hollas, 2002
10
Competition Science Vision
CH3Br KCN(alc->) CH3CN H2°/H* ) CH3COOH Methyl bromide acetic acid •
Methane to butyne-2 2CH4 Methane /7V -> 2CH3Br NaC s C-Na Disodium
acetylide > CH3C= CCH3 + 2 NaBr Butyne-2 Ethyne to propyne HC=CH NaNH2)
...
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Cardiff sets gold standard for catalysis research
... that gold would be the best catalyst for hydrochlorination of ethyne to make vinyl chloride, which is the precursor to poly-vinyl chloride (PVC). «The Engineer, 6月 14»
Star chamber sparkles with space dust
Into this inhospitable environment the scientists fed a stream of argon seeded with the basic hydrocarbon ethyne. The COSmIC experiments ... «Chemistry World, 5月 14»
Carbon nanotubes grow in combustion flames
In studies using acetylene molecules (ethyne; C2H2, a molecule containing a triple bond between two carbon atoms) as feedstock, the ethynyl ... «Phys.Org, 4月 14»
Halloween Blast-O-Lantern (Exploding Pumpkin Face)
+Fiction or Fantasy There is no gunpowder. It is called calcium carbide. When you mix calcium carbide and water it creates ethyne(Acetylene) ... «YouTube, 10月 13»
Neptune's Atmosphere: Composition, Climate & Weather
The planet has ten to a hundred times more methane, ethane, and ethyne at its equator than it does at its poles. Like other gas giants, Neptune ... «Space.com, 12月 12»
MOF gate opens selective CO2 gas storage door
The MOF incorporating carboxyl and pyridyl groups within its cavity selectively adsorbs CO2 over ethyne. Image credit: Martin Schröder. «Chemistry World, 7月 12»
Synthesis of Carbon Nanotubes
CVD uses a carbon-rich gas feedstock, such as acetylene or ethylene (IUPAC ethyne, ethene). The gas is passed over a metal nanoparticle ... «AZoNano.com, 6月 12»
New gas addition module for continuous flow reactors
The Gas Addition Module is compatible with a wide range of reactive gases (e.g. CO, CO2, H2, D2, ethene, ethyne, SO2) and organic solvents ... «Engineer Live, 6月 11»
Top science award for former Weymouth Grammar School boy
He was the first to predict and subsequently demonstrate that gold would be a highly effective catalyst for ethyne hydrochlorination, establishing ... «Dorset Echo, 5月 09»
Physicists pull off the gecko's feat
... gecko feet through chemical vapour deposition of an ethyne–hydrogen–argon gas over a silicon substrate. By introducing an iron catalyst on ... «physicsworld.com, 10月 08»
