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Chemistry: Gas Stoichiometry

Gas StoichiometryChemistryStoichiometryStoichiometry: Fun to Say, Fun to Do!Simple Stoichiometry CalculationsLimiting Reactant ProblemsGas Stoichiometry Though we've limited our discussion of…

Chemistry: Shake It Up: Mixtures

Shake It Up: MixturesChemistryElements, Compounds, and MixturesPure SubstancesShake It Up: MixturesColloids: Somewhere in BetweenSeparating Mixtures Mixtures are materials that contain more than…

Chemistry: Titrations

TitrationsChemistryAcids and BasesWhat Are Acids and Bases?Properties of Acids and BasesThe pH ScaleTitrationsBuffers I found a bottle in the stockroom of my lab about a year ago. When I opened it…

Chemistry: What Are Gases?

What Are Gases?ChemistryThe Kinetic Molecular Theory of GasesWhat Are Gases?The Kinetic Molecular Theory of Gases: Why Gases Do What They DoWhy This Is Important: Ideal GasesImportant Terms and…

Chemistry: What's an Ionic Compound?

What's an Ionic Compound?ChemistryIonic CompoundsWhat's an Ionic Compound?How Ionic Compounds Are FormedProperties of Ionic CompoundsWhat's in a Name? Ionic Nomenclature We talked about the octet…

Dr. No Turns Fifty

May 8, 2013, marks the 50th anniversary of the U.S. release of James Bond's first film. By Jennie Wood Sean Connery as James Bond in Dr. No…

Minorities and Women in the 110th Congress

Check out the lists of minorities and women in the 110th Congress, along with which state and political party they represented. The 110th Congress was the meeting of the legislative branch of the…

Geometry: The Importance of Being Direct

The Importance of Being DirectGeometryTaking the Burden out of ProofsThe Law of DetachmentThe Importance of Being DirectProof by Contradiction: The Advantage of Being IndirectThe Given Information:…

Archaeologists

People in the NewsRecent ObituariesBiographies by CategoryBelzoni, Giovanni Battista, Italian adventurer and antiquities dealer Bent, James Theodore, English explorer and archaeologist Bingham,…