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Topic: Carbon chain

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	Carbon - Wikipedia, the free encyclopedia
		Carbon is a chemical element in the periodic table that has the symbol C and atomic number 6.
		The most prominent oxide of carbon is carbon dioxide, CO This is a minor component of the Earth's atmosphere, produced and used by living things, and a common volatile elsewhere.
		Hydrocarbons are composed of a chain of carbon atoms, saturated by hydrogen atoms.
	en.wikipedia.org /wiki/Carbon (2106 words)

	Alkane - Wikipedia, the free encyclopedia
		The number of isomers increases rapidly with the number of carbon atoms; for alkanes with 1 to 12 carbon atoms, the number of isomers equals 1, 1, 1, 2, 3, 5, 9, 18, 35, 75, 159, and 355, respectively (sequence A000602 in OEIS).
		This is done by the same method, except that instead of the longest chain of carbon atoms, the longest chain starting from the attachment point is used; also, the numbering is done so that the carbon atom next to the attachment point has the number 1.
		The chain of reactions is eventually terminated by radical or ion recombination.
	en.wikipedia.org /wiki/Alkane (950 words)

	Formula to Name
		The longest carbon chain in that molecule is a three-carbon chain.
		The chloro group in this compound is attached to the first carbon and the methyl group is attached to the second carbon.
		In this case the carbon atoms in the chain are numbered from the end that has three chlorine atoms attached.
	dl.clackamas.cc.or.us /ch106-01/formula.htm (660 words)

	World Intellectual Property Organization (Site not responding. Last check: 2007-11-07)
		carbon atoms which is saturated or unsaturated, including from one to four ethylenic or acety- lenic unsaturations, linear or optionally branched, including from one to four methyl branches, and optionally substituted by from one to three hydroxyl groups.
		is a hydrocarbon chain having from 7 to 13 carbon atoms and R2 is a hydrocarbon chain having from 10 to 20 carbon atoms.
		is a saturated linear hydrocarbon chain having 9 carbon atoms.
	www.wipo.int /ipdl/IPDL-CIMAGES/view/pct/getbykey5?KEY=03/105822.031224&ELEMENT_SET=DECL (2442 words)

	[No title] (Site not responding. Last check: 2007-11-07)
		Carbon chains of varying lengths are present in thousands of Inventory chemicals and are described by the use of four different types of Inventory representations.
		These substances are characterized by: (1) chains containing only carbon atoms connected to each other; (2) straight (unbranched) or branched chains; (3) the length of the chains (number of connected carbon atoms) including, if present, (a) the carbon atoms in any branches, and (b) the acyl carbons of carboxylic acid groups and their derivatives.
		For alkyl chains through C6, "iso" is used in chemical synonyms to indicate the specific position of a methyl group attached to the carbon next to the last carbon of the alkyl chain.
	www.epa.gov /opptintr/newchems/alkyl-rg.txt (4057 words)

	Chapter Ten (Site not responding. Last check: 2007-11-07)
		Carbon is the first member of Group IVA of the Periodic Table; the other members of this group are silicon (Si), germanium (Ge), tin (Sn), and lead (Pb).
		Not all alkanes have unbranched chains of carbon atoms.
		Carbon atoms in alkenes are always numbered so that the lowest possible position number is assigned to the first carbon atom to which the double bond is attached.
	www.imbris.net /~jfromm/chptr10.htm (2971 words)

	IUPAC Names
		This is done using a number that indicates to which carbon in the main chain a side group is attached.
		The longest continuous chain of carbon atoms in that molecule is four carbons long.
		Attached to this butane chain there are two methyl groups, so we use the prefix di- to indicate the presence of two methyl groups; and we have dimethylbutane.
	dl.clackamas.cc.or.us /ch106-01/iupac.htm (632 words)

	[No title] (Site not responding. Last check: 2007-11-07)
		Attached to the chain at carbon #2 is an ethyl group and at carbon #3, a bromine; hence the name 3-bromo-2-ethylbutanoyl bromide.
		Select the longest continuous carbon chain containing the acyl group, and derive the parent name by replacing the -e ending with -oate, then append the the alcohol to the front of the name.
		Attached to the chain at carbon #2 is an ethyl group and at carbon #3, a bromine; hence the name ethyl 3-bromo-2-ethylbutanoate.
	chipo.chem.uic.edu /web1/OCOL3/CH21/NOMEN.HTM (1432 words)

	Chemistry : Chapter 12 : Naming Organic Compounds (Site not responding. Last check: 2007-11-07)
		If there are more than 12 carbons, combine the root words, using deca for 10 and the root word (ended with an a and in front of dec) for the number of carbons beyond 10.
		If the carbons are bonded in a ring, in addition to the suffix added for type of bonds (single, double, triple), add cyclo as a prefix to the root word, which should be the number of carbons in the ring.
		The carbon chains attached to the nitrogen are the same and have two carbons (ethyl), so the name of this compound is diethylamine.
	www.wwnorton.com /chemistry/concepts/chapter12/ch12_4.htm (1474 words)

	25
		Carbon is the only element capable of forming stable, extended chains of atoms bonded through single, double, or triple bonds.
		Number the carbon atoms in the longest chain, beginning with the end of the chain that is nearest to a substituent.
		The location of the double bond along an alkene chain is indicated by a prefix number that designates the number of the carbon atom that is part of the double bond and is nearest an end of the chain.
	www.angelfire.com /music5/drawl79/organic_chemistryprep.htm (5125 words)

	Chapter 25 Assigned Homework Answers (Site not responding. Last check: 2007-11-07)
		There are three methyl branches that are not in the continous chain, one at carbon 3, and two at carbon 4.
		The longest continuous chain has nine carbons and there are methyl groups at carbon 2 and carbon 5.
		The longest continuous chain has eight carbons and there are two methyl groups on carbon 2 and one ethyl group on carbon 4.
	www.tarleton.edu /~alow/c84ch25.htm (328 words)

	[No title]
		where n is the number of carbon atoms in the longest carbon chain of the alkane.
		Shown below is the carbon chain of the alkane that contains six carbon atoms.
		Remember that carbon forms four bonds in its organic compounds, add the correct number of hydrogens to any "unused" bonds making sure to only attach hydrogen atoms to carbon atoms using single bonds.
	www11.brinkster.com /alkanes/c.html (184 words)

	Basic Nomenclature (Site not responding. Last check: 2007-11-07)
		Often a group of carbons is connected as a substituent to a larger chain of carbons.
		When naming a carbon group as a substituent you take the prefix we saw on the previous page and put a yl suffix on the end.
		You need to number each carbon in the longest chain, but there are two possible ways to do the numbering - starting from either end.
	people.depauw.edu /jhansen/Chem120S04/nomenclature2.html (303 words)

	Carbon (Site not responding. Last check: 2007-11-07)
		As a general rule, the longer the chains and the more saturated they are (meaning every atom of carbon bonds to four other atoms), the less volatile and more viscous the substance will be, and the higher its evaporation temparature.
		The different kinds of carbon have very similar (but not quite identical) chemical and mechanical properties; the main practical significance of the existence of different isotopes stems from the fact that carbon-14 is radioactive, with a half-life of a few thousand years.
		The carbon cycle is crucial to the way the Earth's ecosystem works: Plants absorb the carbon dioxide that makes up around 0.03% of our atmosphere and use the energy of sunlight to build sugar molecules from water and CO, a process known as photosynthesis.
	fergusmurray.members.beeb.net /carbon.htm (1370 words)

	Welcome to iOrganik.com (Site not responding. Last check: 2007-11-07)
		Methane is one of the saturated Hydrocarbons—that is, a hydrocarbon in which all carbon atoms are bonded to the maximum number of hydrogen atoms.
		The name based on branched-chained alkane is that of straight chain alkane corresponding to number of carbon atoms in the longest chain for e.g.
		When a hydrogen atom is removed from an end of carbon atom of a straight-chain alkane, the resulting alkyl group is named by changing the suffix —ane of the alkane to —yl.
	www.iorganik.com /alkanes.htm (1045 words)

	Physics News Update
		Carbon chains have been observed before, but never inside a nanotube.
		The allotropes of carbon are usually classified according to the type of chemical bonding, whether of the "s" type (the electron residing in a spherical orbital cloud) or the "p" type (dumbbell shaped orbital).
		(graphite, fullerene, and nanotubes), and sp (carbon chain).
	www.aip.org /enews/physnews/2003/split/635-3.html (241 words)

	unit03-sect03-les03-lessonb (Site not responding. Last check: 2007-11-07)
		The carbon of the carbonyl group is the only carbon atom in the molecule.
		Note that the carbon of the carbonyl group is counted as part of the carbon chain for naming purposes.
		The numbering of the carbon chain begins with the carbon in the carbonyl group.
	www.cdli.ca /courses/chem2202/unit03/section03/lesson03/3-lesson-b.htm (249 words)

	CM Welded Carbon Chain (Site not responding. Last check: 2007-11-07)
		Welded graded chain is an industrial grade chain used extensively in rigging, towing and overhead lifting applications.
		CM carbon chains are manufactured in accordance with the NACM Specification for chain, ASTM Standard A391 and ASTM Standard A413.
		The grade number relates to the strength level of the chain, with the grade number increasing as the strength of the chain increases.
	www.amickassociates.com /products/chains/cm.htm (112 words)

	DNA and Amino Acids (Site not responding. Last check: 2007-11-07)
		This aliphatic molecule is made from a linear chain of carbon atoms.
		An aliphatic molecule, it is made from a long linear chain of carbon atoms.
		A Non Polar, non water soluble and essentially hydrophobic molecule, yet less strictly segregated from water due to the rigidity imposed by the cyclization of the R group with the primary amino group.
	www.serv.net /~only1egg/biology/amino.html (1784 words)

	[No title]
		Alkanes are hydrocarbon molecules, which means they are made of a carbon chain backbone with hydrogens attached.
		If the carbon is attached to one carbon, then it can bond to (3) hydrogens to achieve saturation.
		This long continuous carbon chain will be the basis of the molecule you are naming, even though there may be more carbons in the molecular formula.
	ghs.gresham.k12.or.us /science/winters/Text/ChemCom/NamingAlkanes.doc (293 words)

	Nomenclature Examples
		The second and fourth carbons of this 1,4-pentadiene are both substituted, so the numbering begins at the end nearest the alphabetically first-cited substituent (the ethyl group).
		The latter becomes the root chain and the second double bond is a vinyl substituent on that chain.
		Here the double bond carbon atom to which the ethyl group is attached becomes #1 and the other carbon of the double bond is necessarily carbon #2.
	www.cem.msu.edu /~reusch/VirtualText/nomexmp1.htm (1823 words)

	Articles - IUPAC nomenclature (Site not responding. Last check: 2007-11-07)
		For example, 4-(1-methylethyl)octane is a octane chain with a side chain bonded to the 4th carbon, the side chain consisting of an ethyl group with a methyl group attached to the carbon closest to the main chain.
		Alkenes are named for their parent alkane chain with the suffix "-ene" and an infixed number indicating the position of the double-bonded carbon in the chain: CH is but-1-ene.
		If the carbon in the carbonyl group cannot be included in the attached chain (for instance in the case of cyclic aldehydes), the prefix "formyl-" or the suffix "-carbaldehyde" is used: C
	www.beadscenter.com /articles/IUPAC_nomenclature (1806 words)

	Acco Chain
		A general utility chain for farm, industry and home applications such as; pulling stumps, log chain, cargo lashing, pipe line hanging, tailgate, guard rail, tow and switch chain.
		Machine Chain is a short link, welded chain for general use where compactness and extra flexibility are desired.
		Another stamped, flat link pattern chain which is widely used to attach plumbing fixtures for pulley service and for general utility chain.
	www.accochain.com /lowcarbon.html (638 words)

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