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  2. Heptane - Wikipedia

    en.wikipedia.org/wiki/Heptane

    Heptane or n-heptane is the straight-chain alkane with the chemical formula H 3 C(CH 2) 5 CH 3 or C 7 H 16. When used as a test fuel component in anti-knock test engines, a 100% heptane fuel is the zero point of the octane rating scale (the 100 point is 100% iso-octane ).

  3. Van der Waals constants (data page) - Wikipedia

    en.wikipedia.org/wiki/Van_der_Waals_constants...

    The following table lists the Van der Waals constants (from the Van der Waals equation) for a number of common gases and volatile liquids. [ 1 ] To convert from L 2 b a r / m o l 2 {\displaystyle \mathrm {L^{2}bar/mol^{2}} } to L 2 k P a / m o l 2 {\displaystyle \mathrm {L^{2}kPa/mol^{2}} } , multiply by 100.

  4. Heptene - Wikipedia

    en.wikipedia.org/wiki/Heptene

    Heptene is a higher olefin, or alkene with the formula C 7 H 14. The commercial product is a liquid that is a mixture of isomers. It is used as an additive in lubricants, as a catalyst, and as a surfactant. This chemical is also known as heptylene.

  5. Heptyne - Wikipedia

    en.wikipedia.org/wiki/Heptyne

    Download as PDF; Printable version; In other projects Wikimedia Commons ... Heptynes are alkynes with one triple bond and the molecular formula C 7 H 12. The isomers ...

  6. Template:Equation box 1 - Wikipedia

    en.wikipedia.org/wiki/Template:Equation_box_1

    Displays an equation in a box. Template parameters [Edit template data] Parameter Description Type Status Indent indent One or two colons for an indent from the left, OR a valid CSS margin value. Leave blank for no indent. Example: String optional Cellpadding (margin) cellpadding Number of pixels to be used as padding of the box around the equation (how much the box wraps around the equation ...

  7. Heptanal - Wikipedia

    en.wikipedia.org/wiki/Heptanal

    The oxidation of heptanal with oxygen in the presence of a rhodium catalysts leads at 50 °C to heptanoic acid in 95% yield. [10] Heptanal reacts with benzaldehyde in a Knoevenagel reaction under basic catalysis with high yield and selectivity (> 90%) to jasminaldehyde , [ 11 ] [ 2 ] which is mostly used in fragrances for its jasmine -like ...

  8. 2-Methylheptane - Wikipedia

    en.wikipedia.org/wiki/2-Methylheptane

    2-Methylheptane is a branched-chain alkane and an isomer of octane.It is an heptane molecule with a methyl group attached to its second atom. It is a flammable colorless liquid used as fuel.

  9. Hydroxy group - Wikipedia

    en.wikipedia.org/wiki/Hydroxy_group

    In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula −OH and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry , alcohols and carboxylic acids contain one or more hydroxy groups.