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  2. 2-6-4 - Wikipedia

    en.wikipedia.org/wiki/2-6-4

    The Lionel Corporation used the 2-6-4 wheel arrangement in many of its model steam locomotives, including the 2037 used in the infamous pastel-coloured Girls' Train. [9] Their 2-6-4 model was based on the Pennsylvania Railroad’s K4 class pacific, even though this was a 4-6-2 rather than a 2-6-4. [10]

  3. 2-6-6-4 - Wikipedia

    en.wikipedia.org/wiki/2-6-6-4

    The final class of 2-6-6-4s was the Norfolk and Western Railway's A class, built starting in 1936. 43 were built until 1950 but were operated until 1959 to prepare the ending of steam power. The powerful 2-6-6-4s were capable of more than 5,000 drawbar horsepower at 45 mph (72 km/h) and could reach 70 mph (110 km/h), while pulling heavy coal ...

  4. IUPAC nomenclature of chemistry - Wikipedia

    en.wikipedia.org/wiki/IUPAC_nomenclature_of...

    The main structure of chemical names according to IUPAC nomenclature. The International Union of Pure and Applied Chemistry (IUPAC) has published four sets of rules to standardize chemical nomenclature. There are two main areas: IUPAC nomenclature of inorganic chemistry (Red Book) IUPAC nomenclature of organic chemistry (Blue Book)

  5. Chemical nomenclature - Wikipedia

    en.wikipedia.org/wiki/Chemical_nomenclature

    3 COOH, which is commonly called acetic acid and is also its recommended IUPAC name, but its formal, systematic IUPAC name is ethanoic acid. The IUPAC's rules for naming organic and inorganic compounds are contained in two publications, known as the Blue Book [1] [2] and the Red Book, [3] respectively.

  6. 4-6-2+2-6-4 - Wikipedia

    en.wikipedia.org/wiki/4-6-2+2-6-4

    2-6-2+2-6-2 Under the Whyte notation for the classification of steam locomotives by wheel arrangement , a 4-6-2+2-6-4 is a Garratt or Union Garratt articulated locomotive using a pair of 4-6-2 engine units back to back, with the boiler and cab suspended between them.

  7. 4-6-6-2 - Wikipedia

    en.wikipedia.org/wiki/4-6-6-2

    They were originally built as 2-6-6-2s but were refitted with a four-wheel leading truck to increase stability at speed. Southern Pacific AM-2s were built from July to August 1911 by Baldwin Locomotive Works as Cab Forwards. These 4-6-6-2s began retirement in the mid- to late-1930s, although a few remained in operation until the end of World ...

  8. Cobalt(II) sulfate - Wikipedia

    en.wikipedia.org/wiki/Cobalt(II)_sulfate

    CoSO 4 (H 2 O) 6 → CoSO 4 (H 2 O) + 5 H 2 O CoSO 4 (H 2 O) → CoSO 4 + H 2 O. The hexahydrate is a metal aquo complex consisting of octahedral [Co(H 2 O) 6] 2+ ions associated with sulfate anions (see image in table). [3] The monoclinic heptahydrate has also been characterized by X-ray crystallography. It also features [Co(H 2 O) 6] 2 ...

  9. 4-4-6-2 - Wikipedia

    en.wikipedia.org/wiki/4-4-6-2

    AT&SF locomotive no. 1300, a 4-4-6-2 Mallet type. Under the Whyte notation for the classification of steam locomotive wheel arrangements, a 4-4-6-2 is a locomotive with two pairs of leading wheels, one set of four driving wheels, a second set of six driving wheels, and a pair of trailing wheels. Other equivalent classifications are: