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acetaldehyde

(Encyclopedia) acetaldehydeacetaldehydeăsˌĭtălˈdəhīd [key] or ethanalethanalĕthˈənălˌ [key], CH3CHO, colorless liquid aldehyde, sometimes simply called aldehyde. It melts at −123℃, boils at 20.8℃,…

Margaret Cho Biography

Margaret Choactress, comedianBorn: 12/5/1968Birthplace: San Francisco Cho, the daughter of Korean immigrants, grew up in San Francisco's Haight district in the 1970s. Needless to say, her…

Htin Kyaw

(Encyclopedia) Htin KyawHtin Kyawtĭn chô [key], 1946–, Burmese political leader, grad. Rangoon Univ. (1968, 1975). He served in the ministries of industry (1975–1980) and planning and treasury (1980–…

Benedict's solution

(Encyclopedia) Benedict's solution, deep-blue alkaline solution used to test for the presence of the aldehyde functional group, −CHO. The substance to be tested is heated with Benedict's solution;…

tautomer

(Encyclopedia) tautomertautomertôˈtəmər [key], one of two or more structural isomers that exist in equilibrium and are readily converted from one isomeric form to another. Of the various types of…

benzaldehyde

(Encyclopedia) benzaldehydebenzaldehydebĕnzălˈdəhīd [key] or benzenecarbonalbenzenecarbonalbĕnˌzēnkärˈbənəl [key], C6H5CHO, colorless liquid aldehyde with a characteristic almond odor. It boils at…

Fehling's solution

(Encyclopedia) Fehling's solutionFehling's solutionfāˈlĭngz [key], deep-blue, alkaline solution used to test for the presence of aldehydes (e.g., formaldehyde, HCHO) or other compounds that contain…

Timeline of Worldwide School and Mass Shootings

Gun-related tragedies in the U.S. and around the world The following table lists notable worldwide mass and school shootings from 1996 to the present. What distinguishes mass shootings from other…

Julia Child Biography

Julia Child(Julia McWilliams)chef and PBS personalityBorn: 8/15/1912Birthplace: Pasadena, California As host of the Emmy Award-winning educational cooking show, The French Chef, Child became a…