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Chemistry: Factors That Affect Solubility

Factors That Affect SolubilityChemistrySolutionsWhat Are Solutions?How and Why Do Things Dissolve?Determining the Concentration of a SolutionFactors That Affect SolubilityDilutions Sometimes we…

Chemistry: General

acid-base indicators acids and bases activation energy aerogel aerosol allotropy amphoterism analysis, chemical analytical chemistry anion asymmetric carbon atom atomic mass atomic mass…

penicillin

(Encyclopedia) penicillin, any of a group of chemically similar substances obtained from molds of the genus Penicillium that were the first antibiotic agents to be used successfully in the treatment…

vancomycin

(Encyclopedia) vancomycinvancomycinvănˌkōmīˈsĭn [key], antibiotic resembling penicillin in the way it acts. It is derived from the bacterium Streptomyces orientalis, which was isolated from soil of…

Invention of the Electromagnet

The Question: Did William Sturgeon invent the electromagnet? And if so why was that important? The Answer: Yes. William Sturgeon (1783-1850)…

Selected Biographies: P

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies…

Measuring Body Mass

Grain products, vegetables, and fruits are key parts of a varied diet. They are emphasized in this guideline because they provide vitamins, minerals, complex…

Korolenko, Vladimir Galaktionovich

(Encyclopedia) Korolenko, Vladimir GalaktionovichKorolenko, Vladimir Galaktionovichvlədyēˈmĭr gələktyôˈnəvĭch kərəlyĕnˈkə [key], 1853–1921, Russian short-story writer and publicist. A member of a…

Multiple Births: Bundles of Joy

The Numbers Numbers of triplet, quadruplet, quintuplet and other higher order multiple births: United States 1989-94 Year Triplets Quadruplets Quintuplets and other higher order…

Anna Sui

fashion designerBorn: 1955 Sui, the daughter of Chinese immigrants, grew up in Detroit, Michigan. She attended New York's Parsons School of Design, where she met renown Vogue fashion photographer…