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  2. IUPAC nomenclature of organic chemistry - Wikipedia

    en.wikipedia.org/wiki/IUPAC_nomenclature_of...

    For secondary amines (of the form R−NH−R), the longest carbon chain attached to the nitrogen atom becomes the primary name of the amine; the other chain is prefixed as an alkyl group with location prefix given as an italic N: CH 3 NHCH 2 CH 3 is N-methylethanamine.

  3. Amine - Wikipedia

    en.wikipedia.org/wiki/Amine

    Amine. In chemistry, amines (/ ə ˈ m iː n, ˈ æ m iː n /, [1] [2] UK also / ˈ eɪ m iː n / [3]) are compounds and functional groups that contain a basic nitrogen atom with a lone pair.Formally, amines are derivatives of ammonia (NH 3 (in which the bond angle between the nitrogen and hydrogen is 170°), wherein one or more hydrogen atoms have been replaced by a substituent such as an ...

  4. List of chemistry mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_chemistry_mnemonics

    A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.

  5. IUPAC nomenclature of chemistry - Wikipedia

    en.wikipedia.org/wiki/IUPAC_nomenclature_of...

    IUPAC nomenclature is used for the naming of chemical compounds, based on their chemical composition and their structure. [1] For example, one can deduce that 1-chloropropane has a Chlorine atom on the first carbon in the 3-carbon propane chain.

  6. Honeywell weighs jettisoning aerospace division, following ...

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    Honeywell said that it may calve its aerospace division from the conglomerate, sending shares up more than 2% before the opening bell Monday. The announcement arrives about one month after Elliott ...

  7. Cowboys owner Jerry Jones lobbies for NFL Christmas Day games ...

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    The Pittsburgh Steelers host the reigning back-to-back champion Kansas City Chiefs in the first of the two holiday games. The Baltimore Ravens and Houston Texans also go head-to-head in the ...

  8. International Union of Pure and Applied Chemistry - Wikipedia

    en.wikipedia.org/wiki/International_Union_of...

    The substituent name for a ring compound is cyclo. The indication (substituent name) for a six carbon chain is hex. The chemical ending for a single bonded carbon chain is ane. The chemical ending for an alcohol is ol. The two chemical endings are combined for an ending of anol indicating a single bonded carbon chain with an alcohol attached to it.

  9. Man walks naked for 25 miles from Oregon border into ... - AOL

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    A man is lucky to be alive after walking naked for 25 miles in rain and near freezing temperatures from the Oregon border to near the Tri-Cities, say officials.

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