Online Encyclopedia

Search over 40,000 articles from the original, classic Encyclopedia Britannica, 11th Edition.

C2H6

Online Encyclopedia

Originally appearing in Volume V09, Page 852 of the 1911 Encyclopedia Britannica.

» Make a correction to this article.
» Add information or comments to this article.

Encyclopedia Home :: BUN-CAL

Spread the word:

del.icio.us it!

C2H6 , with See also:

SULPHUR

sulphur trioxide to See also:

FORM (Lat. forma)

form carbyl sulphate, C2H4(SO3)2, with hydrobromic and hydriodic acids at oo° C. to form See also:

ETHYL

ethyl bromide, C2H5Br, and ethyl iodide, C2H5I, with sulphuric See also:

ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid at 16o-17o° C. to form ethyl sulphuric acid, C2H5•HSO4, and with Excluded from this survey of the grouping of See also:

Man are the hypochlorous acid to form glycol chlorhydrin, Cl•CH2•CH2.OH. See also:

ABORIGINES

aborigines of See also:

AUSTRALIA

Australia, whose ethnical See also:

AFFINITIES

affinities are much Dilute See also:

POTASSIUM [symbol K (from kalium), atomic weight 39.114 0=16)]

potassium permanganate See also:

SOLUTION (from Lat. solvere, to loosen, dissolve)

solution oxidizes it to See also:

ETHYLENE, or ETHENE, C2H4

ethylene disputed. Probably they are to be reckoned as Dravidians, a glycol, HO•CH2•CH2.OH, whilst fuming nitric acid converts it very remote blend of Caucasic and See also:

NEGRO (from Lat. eager, black)

Negro man. For a detailed into oxalic acid. Several compounds of ethylene and metallic which it is most reasonable broadly to See also:

DIVIDE

divide mankind they may be analysed as to their racial constituents and their habitats as follows: r. Caucasic or See also:

White Man is best divided, following See also:

HUXLEY, THOMAS HENRY (1825–1895)

Huxley, into (a) Xanthochroi or " See also:

FAIR

fair whites " and (b) Melanochroi or " dark whites." (a) The first—tall, with almost colourless skin, See also:

BLUE (common in different forms to most European languages)

blue or See also:

grey eyes, See also:

HAIR (a word common to Teutonic languages)

hair from See also:

STRAW

straw See also:

COLOUR (Lat. color, connected with celare, to hide, the root meaning, therefore, being that of a covering)

colour to See also:

CHESTNUT (nux Castanea)

chestnut, and skulls varying as to proportionate width—are the prevalent inhabitants of See also:

NORTHERN

Northern See also:

EUROPE

Europe, and the type may be traced into See also:

North See also:

Africa and eastward as far as See also:

India. On the See also:

south and See also:

west it mixes with that of the Melanochroi and on the north and See also:

east with that of the Mongoloids. (b) The " dark whites " differ from the fair whites in the darkening of the complexion to brownish and See also:

OLIVE (Olea europaea)

olive, and of the eyes and hair to See also:

black, while the stature is somewhat See also:

LOWER

lower and the See also:

FRAME

frame lighter. To this See also:

DIVISION (from Lat. dividere, to break up into parts, separate)

division belong a large See also:

PART

part of those classed as Celts, and of the populations of See also:

SOUTHERN

Southern Europe, such as Spaniards, Greeks and See also:

ARABS

Arabs, extending as far as India, while endless intermediate grades between the two white types testify to ages of intermingling. Besides these two See also:

main types, the Caucasic division of mankind has been held with much See also:

REASON (Lat. ratio, through French raison)

reason to include such aberrant types as the See also:

brown Polynesian races of the Eastern Pacific, Samoans, Hawaiians, Maoris, &c., the proto-See also:

MALAY

Malay peoples of the Eastern See also:

ARCHIPELAGO

archipelago, sometimes termed Indonesians, represented by the See also:

DYAKS, or DAYAKS

Dyaks of See also:

BORNEO

Borneo and the Battaks of See also:

SUMATRA

Sumatra, the See also:

TODAS

Todas of India and the Ainus of See also:

JAPAN

Japan. 2. Mongolic or Yellow Man prevails over the vast See also:

AREA

area lying east of a See also:

LINE

line See also:

DRAWN

drawn from See also:

LAPLAND, or LAPPLAND

Lapland to See also:

SIAM (known to its inhabitants as Muang Thai)

Siam.

His See also:

PHYSICAL

physical characteristics are a See also:

SHORT, FRANCIS JOB (1857– )

short squat See also:

BODY

body, a yellowish-brown or coppery complexion, hair lank, straight and black, See also:

FLAT (a modification of O. Eng. flet, an obsolete word of Teutonic origin, meaning the ground beneath the feet)

flat small See also:

NOSE (O.Eng. nosu, cf. Dutch neus, Swed. nos, snout; the Aix in Provence. Both at Aix and at Lyons he acquired great connexion with O.Eng. nasu is obscure, cf. Ger. Nase, Lat. pares, distinction by his labours during outbreaks of the plague. In nostrils,

nose, broad See also:

SKULL

skull, usually without prominent brow-ridges, and black oblique eyes. Of the typical Mongolic races the See also:

CHIEF (from Fr. chef, head, Lat. caput)

chief are the See also:

CHINESE, JAPANESE AND

Chinese, Tibetans, Burmese, Siamese; the Finnic See also:

GROUP

group of races occupying Northern Europe, such as Finns, Lapps, See also:

SAMOYEDES

Samoyedes and Ostyaks, and the See also:

ARCTIC (Gr. "ApKroc, the Bear, the northern constellation of Ursa Major)

Arctic See also:

ASIATIC

Asiatic group represented by the Chukchis and Kamchadales; the See also:

TUNGUSES

Tunguses, Gilyaks and See also:

GOLDS

Golds north of, and the See also:

MONGOLS

Mongols proper west of, See also:

MANCHURIA

Manchuria; the pure Turkic peoples and the See also:

JAPANESE

Japanese and Koreans. Less typical, but with the Mongolic elements so predominant as to See also:

WARRANT (Med. Lat. warantum; O. Fr. garant, warant, derived from O.H.G. root represented in modern German bygewdhren)

warrant inclusion, are the Malay peoples of the Eastern archipelago. Lastly, though differentiated in many ways from the true Mongol, the See also:

AMERICAN

American races from the See also:

ESKIMO, ESKIMOS

Eskimo to the Fuegians must be reckoned in the Yellow division of mankind. 3. See also:

NEGROID

Negroid or Black Man is primarily represented by the Negro of Africa between the See also:

SAHARA

Sahara and the Cape See also:

DISTRICT

district, including See also:

MADAGASCAR

Madagascar. The skin varies from dark brown to brown-black, with eyes of the same colour, and hair usually black and always crisp or woolly. The skull is narrow, with orbital ridges not prominent, the jaws protrude, the nose is flat and broad, and the lips thick and everted. Two important families are classed in this division; some authorities hold, as See also:

SPECIAL

special modifications of the typical Negro to-See also:

day, others as actually nearer the true generalized Negroid type of See also:

NEOLITHIC, or LATER STONE AGE (Gr. vEOr, new, and XLOos, stone)

neolithic times. First are the Bushman of South Africa, diminutive in stature and of a yellowish-brown colour: the neighbouring Hottentot is believed to be the result of See also:

CROSSING

crossing between the Bushman and the true Negro. Second are the large Negrito See also:

FAMILY

family, represented in Africa by the See also:

DWARF (A.S. dweorg, D. dwerg, Icel. dvergr)

dwarf races of the See also:

EQUATORIAL

equatorial forests, the Akkas, Batwas, Wochuas and others, and beyond Africa by the Andaman Islanders, the Aetas of the Philippines, and probably the Senangs and other aboriginal tribes of the Malay See also:

Peninsula. The Negroid type seems to have been the earliest predominant in the South See also:

Sea islands, but it is impossible to say certainly whether it is itself derived from the Negrito, or the latter is a modification of it, as has been suggested above.

In See also:

MELANESIA

Melanesia, the See also:

PAPUANS (Malay pap4wah or puwah-puwah, " frizzled," " woolly-haired," in reference to their characteristic hair-dressing)

Papuans of New See also:

GUINEA

Guinea, of New See also:

CALEDONIA

Caledonia, and other islands, represent a more or less Negroid type, as did the now See also:

EXTINCT

extinct Tasmanians. chlorides are known; e.g. ferric chloride in the presence of See also:

ETHER, (C2H5)2O

ether at 15o° C. gives C2H4•FeCI8.2H2O (J. Kachtler, Ber., 1869, 2, p. 510), while See also:

PLATINUM [symbol Pt, atomic weight 145.0 (0=16)]

platinum bichloride in concentrated hydrochloric acid solution absorbs ethylene, forming the See also:

compound C2H4•PtC12 (K. Birnbaum, See also:

Ann., 1868, 145, p. 69).

End of Article: C2H6

Additional information and Comments

There are no comments yet for this article.

» Add information or comments to this article.

Please link directly to this article:
Highlight the code below, right click, and select "copy." Then paste it into your website, email, or other HTML.

Site content, images, and layout Copyright © 2006 - Net Industries, worldwide.
Do not copy, download, transfer, or otherwise replicate the site content in whole or in part.

Links to articles and home page are always encouraged.

[back]
C2H3

[next]
C2H6NC