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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…

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…

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;…

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…

David Chokachi Biography

David ChokachiactorBorn: 1/16/1968Birthplace: Plymouth, Massachusetts Despite his East-Coast roots, he embodies the quintessential California beach boy, playing the lifeguard Cody Madison on…