Properties of Acids and BasesChemistryAcids and BasesWhat Are Acids and Bases?Properties of Acids and BasesThe pH ScaleTitrationsBuffers It's frequently possible to tell acids and bases apart from…
SolidsChemistrySolidsWhat Are Solids?Why Are Solids Solid?Types of Solids You may have noticed that this assumes you know what solids, liquids, and gases are. Though most chemistry books define…
SolutionsChemistrySolutionsWhat Are Solutions?How and Why Do Things Dissolve?Determining the Concentration of a SolutionFactors That Affect SolubilityDilutions As I mentioned in the beginning of…
StoichiometryChemistryStoichiometryStoichiometry: Fun to Say, Fun to Do!Simple Stoichiometry CalculationsLimiting Reactant ProblemsGas Stoichiometry As you may have gathered from the previous…
The MoleChemistryThe MoleWhat's a Mole?Molar MassConverting Between Moles, Molecules, and GramsPercent Composition Depending on your educational background and life experiences, different things…
World News | Business/Science News Here are the key events in United States news for the month of February, 2009. Serena Williams, Rafael Nadal Win Australian Open (Feb…
A list of the African-Americans currently serving in the 112th Congress. There are 41 black members in the House of Representatives and none in the Senate. State House…
A list of the African-Americans currently serving in the 114th Congress. There are 46 black members in the House of Representatives and 2 in the Senate. State House Senate…
Muhammad Ali Timeline The ups and downs of the champ's career by Mike Morrison 1942 Born Cassius Marcellus Clay, Jr., on Jan. 17, in Louisville, Ky., to Odessa and Cassius, Sr. (a sign…
Hugo Black (1937-1971)The Supreme CourtGreat Minds of the CourtJoseph Story (1811-1845)Oliver Wendell Holmes (1902-1932)Louis Brandeis (1916-1939)Benjamin Cardozo (1932-1938)Hugo Black (1937-…
