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ethane

(Encyclopedia)ethane ĕthˈān [key], CH3CH3, gaseous hydrocarbon. It is a continuous-chain alkane. As a constituent of natural gas, it is used for fuel. It can be prepared by cracking and fractional distillation o...

Gippsland

(Encyclopedia)Gippsland gĭpsˈlănd [key], geographical area, 13,655 sq mi (35,366 sq km), Victoria, SE Australia, E of Melbourne. There are deposits of coal, oil and natural gas (offshore), and limestone. Gold wa...

Mineral Wells

(Encyclopedia)Mineral Wells, city (1990 pop. 14,870), Palo Pinto and Parker counties, N Tex.; inc. 1882. Aluminum products, bottled mineral water, clothing, and pharmaceuticals are produced, and there is gas proces...

Pharr

(Encyclopedia)Pharr fär [key], city (1990 pop. 32,921), Hidalgo co., extreme S Tex.; inc. 1916. It is located in the irrigated region of the lower Rio Grande valley. Transportation equipment and concrete blocks ar...

Sulphur, city, United States

(Encyclopedia)Sulphur, city (1990 pop. 20,125), Calcasieu parish, SW La.; inc. 1914. It is a trade center for an area producing natural gas, oil, and timber as well as sorghum, soybeans, cattle, and crawfish. Indus...

soman

(Encyclopedia)soman, colorless liquid used as a nerve gas. It boils at 167℃, evolving an odorless vapor. It is rapidly absorbed through the skin; death may result within 15 min of exposure. In nonfatal concentrat...

Wyoming, University of

(Encyclopedia)Wyoming, University of, at Laramie; coeducational; land-grant and state supported; chartered 1886, opened 1887. The Rocky Mt. Herbarium, which has an outstanding collection of plants of the central Ro...

Big Spring

(Encyclopedia)Big Spring, city (2020 pop. 26,144), seat of Howard co., W central Tex.; inc. 1907. The spring for which it was named once fed a branch of the Colorado ...

acetylene

(Encyclopedia)acetylene ĕthˈīn [key], HC≡CH, a colorless gas. It melts at −80.8℃ and boils at −84.0℃. Offensive odors often noted in commercial acetylene are due to impurities. Acetylene forms explosiv...

ammonia

(Encyclopedia)ammonia, chemical compound, NH3, colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor. Ammonia forms a minute ...