Chemical isomer - Revision history

Jmdonev: 1 revision imported

2020-01-31T05:10:09Z

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Energy>Jmdonev at 23:20, 29 January 2020

2020-01-29T23:20:25Z

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	[[Category:Done ~~2015~~-06-11]]		[[Category:Done 2020-01-31]]
	<onlyinclude>'''Chemical isomers''' are [[molecule]]s of the same [[chemical]] composition, but different molecular structure. In other words, two isomers will have the same number and type of [[atom]]s, but a different arrangement in space.</onlyinclude> Although these molecules are of the same composition, this different arrangement can result in a difference of physical and chemical properties (such as [[boiling point]], [[melting point]], etc).<ref>Compound Interest, ''A Bried Guide to Types of Isomerism in Organic Chemisty'' [Online], Available: http://www.compoundchem.com/2014/05/22/typesofisomerism/</ref>		<onlyinclude>'''Chemical isomers''' are [[molecule]]s of the same [[chemical]] composition, but different molecular structure. In other words, two isomers will have the same number and type of [[atom]]s, but a different arrangement in space.</onlyinclude> Although these molecules are of the same composition, this different arrangement can result in a difference of physical and chemical properties (such as [[boiling point]], [[melting point]], etc).<ref>Compound Interest, ''A Bried Guide to Types of Isomerism in Organic Chemisty'' [Online], Available: http://www.compoundchem.com/2014/05/22/typesofisomerism/</ref>

	Isomers are very important for [[fuel]] choices when providing [[energy]] through [[combustion]]. Isomers of compounds burn differently, such as [[octane]], which has 18 isomers.<ref name=e>eHow, ''Importance of Isomers in Fuels'' [Online], Available: http://www.ehow.com/about_5587676_importance-isomers-fuels.html</ref> For most applications the goal when burning a fuel is to have a stable burn, and certain isomers accomplish this better. For octane, the more linear isomers as visible in Figure 1 burn much quicker than isomers that are "branched" like in Figure 2. The branched structures allow the fuel to burn slowly and evenly, therefore they are of more desire.<ref name=e/> [[Octane rating]], which is the number visible on gas pumps, is a measure of how much iso-octane (Figure 2) is in a fuel mixture. The more iso-octane present in the mixture, the better the burn.		Isomers are very important for [[fuel]] choices when providing [[energy]] through [[combustion]]. Isomers of compounds burn differently, such as [[octane]], which has 18 isomers.<ref name=e>eHow, ''Importance of Isomers in Fuels'' [Online], Available: http://www.ehow.com/about_5587676_importance-isomers-fuels.html</ref> For most applications the goal when burning a fuel is to have a stable burn, and certain isomers accomplish this better. For octane, the more linear isomers as visible in Figure 1 burn much quicker than isomers that are "branched" like in Figure 2. The branched structures allow the fuel to burn slowly and evenly, therefore they are of more desire.<ref name=e/> [[Octane rating]], which is the number visible on gas pumps, is a measure of how much iso-octane (Figure 2) is in a fuel mixture. The more iso-octane present in the mixture, the better the burn.


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	File:Isooctane.png\|Figure 2. iso-octane, a more branched isomer of octane, used in most fuels and gives the octane rating for a fuel.<ref>Wikimedia Commons [Online], Available: http://upload.wikimedia.org/wikipedia/commons/7/79/Isooctane.png</ref>		File:Isooctane.png\|Figure 2. iso-octane, a more branched isomer of octane, used in most fuels and gives the octane rating for a fuel.<ref>Wikimedia Commons [Online], Available: http://upload.wikimedia.org/wikipedia/commons/7/79/Isooctane.png</ref>
	</gallery>		</gallery>

			Visit the [http://chemwiki.ucdavis.edu/Inorganic_Chemistry/Coordination_Chemistry/Isomers UC Davis Chemwiki] for a more in depth look at chemical isomers.


	~~Visit the~~ [~~http~~:~~//chemwiki.ucdavis.edu/Inorganic_Chemistry/Coordination_Chemistry/Isomers UC Davis Chemwiki~~] ~~for a more in depth look at chemical isomers.~~		==For Further Reading==
			*[[Hydrocarbon combustion]]
			*[[Octane]]
			*[[Octane rating]]
			*[[Chemical]]
			*Or explore a [[Special:Random\|random page]]

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]

J.williams: 1 revision imported

2015-08-26T21:30:54Z

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J.williams at 16:51, 12 August 2015

2015-08-12T16:51:41Z

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[[Category:Done 2015-06-11]]
<onlyinclude>'''Chemical isomers''' are [[molecule]]s of the same [[chemical]] composition, but different molecular structure. In other words, two isomers will have the same number and type of [[atom]]s, but a different arrangement in space.</onlyinclude> Although these molecules are of the same composition, this different arrangement can result in a difference of physical and chemical properties (such as [[boiling point]], [[melting point]], etc).<ref>Compound Interest, ''A Bried Guide to Types of Isomerism in Organic Chemisty'' [Online], Available: http://www.compoundchem.com/2014/05/22/typesofisomerism/</ref>

Isomers are very important for [[fuel]] choices when providing [[energy]] through [[combustion]]. Isomers of compounds burn differently, such as [[octane]], which has 18 isomers.<ref name=e>eHow, ''Importance of Isomers in Fuels'' [Online], Available: http://www.ehow.com/about_5587676_importance-isomers-fuels.html</ref> For most applications the goal when burning a fuel is to have a stable burn, and certain isomers accomplish this better. For octane, the more linear isomers as visible in Figure 1 burn much quicker than isomers that are "branched" like in Figure 2. The branched structures allow the fuel to burn slowly and evenly, therefore they are of more desire.<ref name=e/> [[Octane rating]], which is the number visible on gas pumps, is a measure of how much iso-octane (Figure 2) is in a fuel mixture. The more iso-octane present in the mixture, the better the burn.

<gallery mode=packed>
File:Octane-in-full.png|Figure 1. n-Octane, a more linear isomer of octane compared to its other forms.<ref>Wikimedia Commons [Online], Available: http://commons.wikimedia.org/wiki/File:Octane-in-full.png</ref>
File:Isooctane.png|Figure 2. iso-octane, a more branched isomer of octane, used in most fuels and gives the octane rating for a fuel.<ref>Wikimedia Commons [Online], Available: http://upload.wikimedia.org/wikipedia/commons/7/79/Isooctane.png</ref>
</gallery>

Visit the [http://chemwiki.ucdavis.edu/Inorganic_Chemistry/Coordination_Chemistry/Isomers UC Davis Chemwiki] for a more in depth look at chemical isomers.

==References==
{{reflist}}
[[Category:Uploaded]]