(Encyclopedia) weight, measure of the force of gravity on a body (see gravitation). Since the weights of different bodies at the same location are proportional to their masses, weight is often used…
Simple Stoichiometry CalculationsChemistryStoichiometryStoichiometry: Fun to Say, Fun to Do!Simple Stoichiometry CalculationsLimiting Reactant ProblemsGas Stoichiometry Now that you've done your…
(Encyclopedia) streptomycinstreptomycinstrĕpˌtōmīˈsĭn [key], antibiotic produced by soil bacteria of the genus Streptomyces and active against both gram-positive and gram-negative bacteria (see Gram'…
The MoleChemistryThe MoleWhat's a Mole?Molar MassConverting Between Moles, Molecules, and GramsPercent Composition Depending on your educational background and life experiences, different things…
Senate Years of Service: 1939-1949Party: RepublicanREED, Clyde Martin, a Senator from Kansas; born near Champaign, Champaign County, Ill., October 19, 1871; moved with his family to Labette…
Senate Years of Service: 1869-1875Party: RepublicanBROWNLOW, William Gannaway, (uncle of Walter Preston Brownlow), a Senator from Tennessee; born near Wytheville, Wythe County, Va., August 29…
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(Encyclopedia) gramicidingramicidingrămˌĭsīdˈən [key], antibiotic obtained from the bacterial species Bacillus brevis, which is found in soil. Gramicidin is particularly effective against gram-…
acid-base indicators acids and bases activation energy aerogel aerosol allotropy amphoterism analysis, chemical analytical chemistry anion asymmetric carbon atom atomic mass atomic mass…
