enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Thomas Midgley Jr. - Wikipedia

    en.wikipedia.org/wiki/Thomas_Midgley_Jr.

    Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.

  3. Antiknock agent - Wikipedia

    en.wikipedia.org/wiki/Antiknock_agent

    2,2,4-Trimethylpentane, also known as isooctane, is an octane isomer which defines the 100 point on the octane rating scale (the zero point is n-heptane). It is an important component of gasoline . Isooctane is produced on a massive scale in the petroleum industry, usually as a mixture with related hydrocarbons.

  4. Chemistry: A Volatile History - Wikipedia

    en.wikipedia.org/wiki/Chemistry:_A_Volatile_History

    3.8 Thomas Midgley Jr. prevents engines from knocking. ... No. of series: 1: No. of episodes: 3: ... By the time of his death in 1829 the idea of the elements was ...

  5. Tetraethyllead - Wikipedia

    en.wikipedia.org/wiki/Tetraethyllead

    The current formulation of 100LL (low lead, blue) aviation gasoline contains 2.12 grams per US gallon (0.56 g/L) of TEL, half the amount of the previous 100/130 (green) octane avgas (at 4.24 grams per gallon), [85] and twice as much as the 1 gram per gallon permitted in regular automotive leaded gasoline prior to 1988 and substantially greater ...

  6. 5.7.0.5. - Wikipedia

    en.wikipedia.org/wiki/5.7.0.5.

    "5.7.0.5." was City Boy's most successful song, reaching number eight on the UK Singles Chart . [ 1 ] The single peaked at number 27 on the U.S. Billboard Hot 100 for the week ending 14 October 1978, [ 2 ] and charted in other countries.

  7. Thomas Midgley - Wikipedia

    en.wikipedia.org/wiki/Thomas_Midgley

    Thomas Midgley may refer to: Thomas Midgley (footballer) (1856–1957), ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...

  8. 1,1,1,2,3,3,3-Heptafluoropropane - Wikipedia

    en.wikipedia.org/wiki/1,1,1,2,3,3,3...

    1,1,1,2,3,3,3-Heptafluoropropane, also called heptafluoropropane, HFC-227ea (ISO name), HFC-227 or FM-200, as well as apaflurane , is a colourless, odourless gaseous halocarbon commonly used as a gaseous fire suppression agent.

  9. List of botched executions - Wikipedia

    en.wikipedia.org/wiki/List_of_botched_executions

    James Larry Upton (1956) – Electric chair. Upton was the last person to be executed in New Mexico's electric chair, before they switched over to a gas chamber. The cap for the head electrode wouldn't fit Upton, so an improvised cap was made from a parka to be used for the execution. During his execution, the fur on the parka started billowing ...