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  2. Steam cracking - Wikipedia

    en.wikipedia.org/wiki/Steam_cracking

    Steam cracker units are facilities in which a feedstock such as naphtha, liquefied petroleum gas (LPG), ethane, propane or butane is thermally cracked through the use of steam in steam cracking furnaces to produce lighter hydrocarbons. The propane dehydrogenation process may be accomplished through different commercial technologies.

  3. Stereotype (printing) - Wikipedia

    en.wikipedia.org/wiki/Stereotype_(printing)

    Newspapers combined a set of flongs to cast the stereotype plate for a page. In some cases, news printers would produce a flong, cast a plate from that flong, combine that plate with other elements to make a page or a spread, and produce a second-generation flong of the whole page, and the cast a plate from that flong.

  4. 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 ...

  5. Cracking (chemistry) - Wikipedia

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

    In principle, ethane can undergo homolysis: CH 3 CH 3 → 2 CH 3 ⋅. Because C−C bond energy is so high (377 kJ/mol), [18] this reaction is not observed under laboratory conditions. More common examples of cracking reactions involve retro-Diels–Alder reactions. Illustrative is the thermal cracking of dicyclopentadiene to produce ...

  6. Diethyl ether - Wikipedia

    en.wikipedia.org/wiki/Diethyl_ether

    Most diethyl ether is produced as a byproduct of the vapor-phase hydration of ethylene to make ethanol.This process uses solid-supported phosphoric acid catalysts and can be adjusted to make more ether if the need arises: [9] Vapor-phase dehydration of ethanol over some alumina catalysts can give diethyl ether yields of up to 95%.

  7. Ethane-1,2-dithiol - Wikipedia

    en.wikipedia.org/wiki/Ethane-1,2-dithiol

    Ethane-1,2-dithiol, also known as EDT, [1] is a colorless liquid with the formula C 2 H 4 2. It has a very characteristic odor which is compared by many people to rotten cabbage . It is a common building block in organic synthesis and an excellent ligand for metal ions.

  8. These 55 Printable Pumpkin Stencils Make Carving Easier ... - AOL

    www.aol.com/55-printable-pumpkin-stencils...

    To make things easier, our free and printable pumpkin stencils are perfect guides for creating stunning designs. From simple patterns to more advanced, artistic options, there's a stencil for ...

  9. Ethylene - Wikipedia

    en.wikipedia.org/wiki/Ethylene

    Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula C 2 H 4 or H 2 C=CH 2.It is a colourless, flammable gas with a faint "sweet and musky" odour when pure. [7] It is the simplest alkene (a hydrocarbon with carbon–carbon double bonds).