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Thread: The 18 Isomers of Octane (C8H18)

  1. #1 The 18 Isomers of Octane (C8H18) 
    Forum Freshman AnonymousNine's Avatar
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    Hello Everyone!

    I'm currently taking an introductory course in Chemistry and was wondering what the 18 (I actually only need 16) isomers of C8H18 is. I've checked out every website on the first page of Google, so I was wondering if you guys could post them yourselves.

    Thanks for the help!


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    Forum Professor jrmonroe's Avatar
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    Quote Originally Posted by AnonymousNine View Post
    I've checked out every website on the first page of Google
    I found it quick and easy with Google ... on the first page of results ... in the first two results.


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    Forum Freshman AnonymousNine's Avatar
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    Quote Originally Posted by jrmonroe View Post
    Quote Originally Posted by AnonymousNine View Post
    I've checked out every website on the first page of Google
    I found it quick and easy with Google ... on the first page of results ... in the first two results.
    I forgot to mention that I'm using bond-line diagrams, not skeletal formulae.
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    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by AnonymousNine View Post
    I forgot to mention that I'm using bond-line diagrams, not skeletal formulae.
    So? You really want us to do all of your homework for you? How will you learn if you don't work out how to convert the structural formula (or even the name) into a diagram?
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    Forum Freshman AnonymousNine's Avatar
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    Quote Originally Posted by Strange View Post
    Quote Originally Posted by AnonymousNine View Post
    I forgot to mention that I'm using bond-line diagrams, not skeletal formulae.
    So? You really want us to do all of your homework for you? How will you learn if you don't work out how to convert the structural formula (or even the name) into a diagram?
    Yeah... I'd had 12 already and I was really confused on how to draw the molecule from just the name, but our teacher taught us today. I probably should've asked how to read a name (Ex. 2 Methylpentane) and draw the molecule from it.

    Sorry for the inconvenience and I hope there aren't any hard feelings (:

    ~A.N.
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    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by AnonymousNine View Post
    Yeah... I'd had 12 already and I was really confused on how to draw the molecule from just the name, but our teacher taught us today. I probably should've asked how to read a name (Ex. 2 Methylpentane) and draw the molecule from it.

    Sorry for the inconvenience and I hope there aren't any hard feelings (:

    ~A.N.
    That's OK. I think that would be (have been) a much better question. But I'm afraid it is so long since I did this stuff that I have forgotten most of what I knew so can't really be much help. I could work out out how to draw a specific example (e.g. a methyl group hanging off the 2nd carbon of a pentane chain ...) but probably couldn't give a better summary of the rules than you would find in your books...
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