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  2. Ethane - Wikipedia

    en.wikipedia.org/wiki/Ethane

    Ethane (US: / ˈ ɛ θ eɪ n / ETH-ayn, UK: / ˈ iː θ eɪ n / EE-thayn) is a naturally occurring organic chemical compound with chemical formula C 2 H 6. At standard temperature and pressure, ethane is a colorless, odorless gas. Like many hydrocarbons, ethane is isolated on an industrial scale from natural gas and as a petrochemical by ...

  3. Rotamer - Wikipedia

    en.wikipedia.org/wiki/Rotamer

    The textbook explanation for the existence of the energy maximum for an eclipsed conformation in ethane is steric hindrance, but, with a C-C bond length of 154 pm and a Van der Waals radius for hydrogen of 120 pm, the hydrogen atoms in ethane are never in each other's way. The question of whether steric hindrance is responsible for the eclipsed ...

  4. List of straight-chain alkanes - Wikipedia

    en.wikipedia.org/wiki/List_of_straight-chain_alkanes

    1.122 064 990 122 11 × 10 37: C 82 H 166: n-dooctacontane 83 2.150 278 094 747 97 × 10 32: 3.578 584 997 560 67 × 10 37: C 83 H 168: n-trioctacontane 84 5.875 317 238 265 77 × 10 32: 1.141 724 657 744 27 × 10 38: C 84 H 170: n-tetraoctacontane 85 1.605 913 778 494 71 × 10 33: 3.643 883 155 873 11 × 10 38: C 85 H 172: n-pentaoctacontane ...

  5. Ethyl group - Wikipedia

    en.wikipedia.org/wiki/Ethyl_group

    Ethyl group (highlighted blue) as part of a molecule, as the ethyl radical, and in the compounds ethanol, bromoethane, ethyl acetate, and ethyl methyl ether.. In organic chemistry, an ethyl group (abbr. Et) is an alkyl substituent with the formula −CH 2 CH 3, derived from ethane (C 2 H 6).

  6. Force field (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Force_field_(chemistry)

    Part of force field of ethane for the C-C stretching bond. In the context of chemistry, molecular physics, physical chemistry, and molecular modelling, a force field is a computational model that is used to describe the forces between atoms (or collections of atoms) within molecules or between molecules as well as in crystals.

  7. Law of multiple proportions - Wikipedia

    en.wikipedia.org/wiki/Law_of_multiple_proportions

    In chemistry, the law of multiple proportions states that in compounds which contain two particular chemical elements, the amount of Element A per measure of Element B will differ across these compounds by ratios of small whole numbers. For instance, the ratio of the hydrogen content in methane (CH 4) and ethane (C 2 H 6) per measure of carbon ...

  8. Alkane - Wikipedia

    en.wikipedia.org/wiki/Alkane

    Newman projections of two of many conformations of ethane: eclipsed on the left, staggered on the right. Ball-and-stick models of the two rotamers of ethane. The spatial arrangement of the C-C and C-H bonds are described by the torsion angles of the molecule is known as its conformation.

  9. 1,2-Dichloroethylene - Wikipedia

    en.wikipedia.org/wiki/1,2-dichloroethylene

    1,2-Dichloroethylene or 1,2-DCE is the name for a pair of organochlorine compounds with the molecular formula C 2 H 2 Cl 2.The two compounds are isomers, each being colorless liquids with a sweet odor.