Search results for "Calcium carbide" - New World Encyclopedia

From New World Encyclopedia
  • are reacted with each other to form calcium carbide and carbon monoxide: ... Calcium carbide (or calcium acetylide) and water are then reacted ...
    14 KB (2,038 words) - 07:36, 14 June 2023
  • Calcium (chemical symbol Ca, atomic number 20) is the fifth most plentiful ... In nature, calcium (Latin calcis, meaning "lime") is not ...
    18 KB (2,626 words) - 18:21, 25 November 2023
  • even at elevated temperatures. Tungsten carbide, a compound of tungsten ... tungstate, FeWO4/MnWO4), scheelite (calcium tungstate, CaWO4), ferberite ...
    17 KB (2,431 words) - 18:45, 2 May 2023
  • BSCCO-2223 (bismuth strontium calcium copper oxide); the two lines ... *Bismuth strontium calcium copper oxide (BSCCO) is a high-temperature ...
    16 KB (2,304 words) - 23:57, 3 December 2023
  • However, even softer minerals like calcium carbonate are used as abrasives ... *Calcite (calcium carbonate) *Emery (impure corundum) *Diamond dust ...
    20 KB (3,070 words) - 06:35, 14 June 2023
  • In 1862, Wöhler produced calcium carbide, from which he synthesized acetylene gas by the addition of water. The high temperature needed to produce ...
    14 KB (2,077 words) - 10:37, 17 October 2022
  • Moles are controlled with traps and poisons such as calcium carbide and strychnine. Historically, they have also been trapped and valued for ...
    11 KB (1,753 words) - 13:05, 10 March 2023
  • * Dehydrating agents, such as phosphorus pentoxide or calcium oxide ... A common example of corrosion protection in ceramics is the lime ...
    20 KB (3,072 words) - 03:36, 8 January 2024
  • *Niobium carbide (NbC and Nb2C): It is an extremely hard, refractory ceramic material. It has the appearance of a brown-gray metallic powder ...
    14 KB (1,909 words) - 04:59, 15 November 2022
  • (V2O5). Reduction of the pentoxide with calcium gives pure vanadium. An ... * It is an important carbide stabilizer in the production of steels. ...
    15 KB (2,022 words) - 14:18, 3 May 2023
  • (H) is rarely formed. Only magnesium (Mg) and calcium (Ca) react with cold, dilute nitric acid to give hydrogen: :Mg(s) + 2HNO3 (aq) → Mg(NO3 ...
    19 KB (2,942 words) - 02:25, 16 November 2022
  • (lead sulfide) or carborundum (silicon carbide) crystal until it suddenly ... use distilled water rather than tap water: calcium ions were the cause of the ...
    37 KB (5,657 words) - 17:50, 25 January 2023
  • * Aluminum carbide, Al4C3 is made by heating a mixture of the elements ... is a mixture of aluminum, sodium, and calcium fluorides: (Na3AlF6). The ...
    38 KB (5,676 words) - 08:41, 23 July 2023
  • of KUF5 or UF4, dissolved in a molten calcium chloride (CaCl2) and sodium ... uranium powder along with various uranium carbide, nitride, and halide compounds ...
    48 KB (6,867 words) - 15:33, 16 January 2024
  • on the industrial scale in 1930 by Union Carbide, but now almost entirely ... quot; it using lime or salt. When lime (calcium oxide) is mixed with the ...
    49 KB (7,279 words) - 12:21, 21 January 2023
  • Natural resources include timber, hydropower, gypsum, and calcium ... alcoholic beverages and processing calcium carbide (a source of acetylene ...
    39 KB (5,985 words) - 03:39, 1 October 2023