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sodium bicarbonate
(Encyclopedia) sodium bicarbonate or sodium hydrogen carbonate, chemical compound, NaHCO3, a white crystalline or granular powder, commonly known as bicarbonate of soda or baking soda. It is soluble…sodium silicate
(Encyclopedia) sodium silicate, any one of several compounds containing sodium oxide, Na2O, and silica, Si2O, or a mixture of sodium silicates. Sodium orthosilicate is Na4SiO4 (or 2Na2O·SiO2); sodium…Sismondi, Jean Charles Léonard Simonde de
(Encyclopedia) Sismondi, Jean Charles Léonard Simonde deSismondi, Jean Charles Léonard Simonde dezhäN shärl lāônärˈ sēmôNdˈ də sēsmôNdēˈ [key], 1773–1842, Swiss historian, economist, and critic. A…Stone, I. F.
(Encyclopedia) Stone, I. F., 1907–89, American journalist, b. Philadelphia as Isidor Feinstein. Raised in New Jersey, he moved to New York City shortly after beginning his career as a journalist.…Oneida, city, United States
(Encyclopedia) OneidaOneidaōnīˈdə [key], city (1990 pop. 10,850), Madison co., central N.Y.; inc. 1901. Tableware was long the best-known product, and some is still manufactured in neighboring…repetitive stress injury
(Encyclopedia) repetitive stress injury or repetitive strain injury (RSI), injury caused by repeated movement of a particular part of the body. Often seen in workers whose physical routine is…decimal system
(Encyclopedia) decimal system [Lat.,=of tenths], numeration system based on powers of 10. A number is written as a row of digits, with each position in the row corresponding to a certain power of 10…activation energy
(Encyclopedia) CE5 Energy profile of an exothermic reaction: Although the total energy of the products is less than that of the reactants, the activation energy must be added to weaken or break…carbon dioxide
(Encyclopedia) carbon dioxide, chemical compound, CO2, a colorless, odorless, tasteless gas that is about one and one-half times as dense as air under ordinary conditions of temperature and pressure…aniline
(Encyclopedia) anilineanilineănˈəlĭn [key], C6H5NH2, colorless, oily, basic liquid organic compound; chemically, a primary aromatic amine whose molecule is formed by replacing one hydrogen atom of a…Trending
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