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Structures and Conformations Molecular models are used to demonstrate the conformations of alkanes and cycloalkanes.
Alkanes / Cycloalkanes |
Molecular Properties / Structure |
Nomenclature / Units / Symbols |
Stereochemistry
Stoichiometry The Stoichiometry group contains three groups: Exploding Soap Bubbles: Hydrogen + Oxygen; Acid-Base Titrations and Animation; and Redox Titration and Animation.
Stoichiometry
Gas Stoichiometry Gas is generated from one mole of liquid of solid and the volume is measured using a gas collection system.
Ionic BlocksRichard S. Sevcik, Rex Gamble, Elizabet Martinez, Linda D. Schultz, and Susan V. Alexander "Ionic Blocks" is a teaching tool designed to help middle school students visualize the concepts of ions, ionic compounds, and stoichiometry. It can also assist high school students in reviewing their subject mastery. Sevcik, Richard S.; Gamble, Rex; Martinez, Elizabet; Schultz, Linda D.; Alexander, Susan V. J. Chem. Educ.2008, 85, 1631.
Ionic Bonding |
Nomenclature / Units / Symbols |
Nonmajor Courses |
Stoichiometry
Empirical Formulas and the Solid State: A ProposalWilliam B. Jensen This brief article calls attention to the failure of most introductory textbooks to point out explicitly the fact that nonmolecular solids do not have molecular formulas and suggests some practical remedies for improving textbook coverage of this subject. The inadequacies of the terms "empirical formula" and "molecular formula" are also discussed, and the terms "relative compositional formula" and "absolute compositional formula" are proposed as more appropriate alternatives. Jensen, William B. J. Chem. Educ.2004, 81, 1772.
Solid State Chemistry |
Solids |
Stoichiometry |
Nomenclature / Units / Symbols
The Origin of the Mole ConceptWilliam B. Jensen In response to a reader query, the column traces the origins of the mole concept in chemistry. Jensen, William B. J. Chem. Educ.2004, 81, 1409.
