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catalyst
(Encyclopedia)catalyst, substance that can cause a change in the rate of a chemical reaction without itself being consumed in the reaction; the changing of the reaction rate by use of a catalyst is called catalysis...sulfuric acid
(Encyclopedia)sulfuric acid, chemical compound, H2SO4, colorless, odorless, extremely corrosive, oily liquid. It is sometimes called oil of vitriol. Although sulfuric acid is now one of the most widely used c...Elements (table)
(Encyclopedia)Elements 1 Parentheses indicate most stable isotope; brackets enclose lower and upper bounds of weight variation. ...Utah , state, United States
(Encyclopedia)CE5 Utah yo͞oˈtäˌ [key], Rocky Mt. state of the W United States. It is bordered by Idaho and Wyoming (N), Colorado (E), Arizona (S), and Nevada (W), and touches New Mexico in the SE, at the Fou...South Africa
(Encyclopedia)CE5 South Africa, Afrikaans Suid-Afrika, officially Republic of South Africa, republic (2015 est. pop. 55,291,000), 471,359 sq mi (1,220,813 sq km), S Africa. It borders on the Atlantic Ocean in th...China
(Encyclopedia)CE5 CE5 China, Mandarin Zhonghua Renmin Gongheguo [central glorious people's united country; i.e., people's republic], officially People's Repu...Browse by Subject
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