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Acid-Base Titrations and Animation Videos in this group show titrations of various acids with sodium hydroxide as well as molecular reactions during titration.
Acids / Bases |
Aqueous Solution Chemistry |
Titration / Volumetric Analysis
Redox Titration and Animation Videos in this group show a redox titration and the molecular changes during the titration.
Aqueous Solution Chemistry |
Oxidation / Reduction |
Titration / Volumetric Analysis
Redox Titration and Animation A simple redox titration (hydrogen peroxide with permanganate) is performed. Also an animation demonstrates aspects of the stoichiometry.
Reactions : WillSolnConduct (5 Variations) One gram of each of the following compounds is mixed with 100mL of water. Which will form solutions that will conduct electricity?
Magnetized Water: Science or Fraud?L. Lahuerta Zamora, G. M. Antón-Fos, P. A. Alemán López, and R. V. Martin Algarra Commercial water magnetizers provide a unique opportunity to help university and secondary students develop appropriate skepticism against extraordinary claims and use testing as the basis for their scientific evaluation. Lahuerta Zamora, L.; Antón-Fos, G. M.; Alemán López, P. A.; Martin Algarra, R. V. J. Chem. Educ.2008, 85, 1416.
Aqueous Solution Chemistry |
Magnetic Properties |
pH |
Titration / Volumetric Analysis |
Water / Water Chemistry
Flame Emission Spectrometry in General Chemistry Labs: Solubility Product (Ksp) of Potassium Hydrogen PhthalateFrazier W. Nyasulu, William Cusworth III, David Lindquist, and John Mackin In this general chemistry laboratory, flame emission spectrometry is used to determine the potassium ion concentration in saturated solutions of potassium hydrogen phthalate. From these data the solubility products, the Gibbs free energies of solution, the standard enthalpy of solution, and the standard entropy of solution are calculated. Nyasulu, Frazier W.; Cusworth, William, III; Lindquist, David; Mackin, John. J. Chem. Educ.2007, 84, 456.
Acids / Bases |
Atomic Properties / Structure |
Spectroscopy |
Equilibrium |
Quantitative Analysis |
Thermodynamics |
Titration / Volumetric Analysis |
Solutions / Solvents |
Aqueous Solution Chemistry |
Atomic Spectroscopy
Complexometric Titration of Aluminum and Magnesium Ions in Commercial Antacids. An Experiment for General and Analytical Chemistry LaboratoriesShui-Ping Yang and Ruei-Ying Tsai A novel experiment for determining the total and individual aluminum and magnesium ion content in commercial antacids is described. This experiment is developed with three independent protocols based on complexometric direct and back titrations containing the concepts and usages of blocking, masking, buffer controls and metallic indicators. Yang, Shui-Ping; Tsai, Ruei-Ying. J. Chem. Educ.2006, 83, 906.
Introduction of Aquatic Chemistry in General Chemistry Curriculum;Spreadsheet Calculation ApproachesChulsung Kim Fundamental aquatic chemistry concepts may be introduced in general chemistry classes by computing ionization fractions and buffer intensity of aqueous phase carbonate systems. This Excel spreadsheet may used to build graphic presentations of a titration curve, distribution diagram, and buffer intensity as a function of pH. Accompanying activities are designed to enhance the concepts of acid-base equilibrium through exploring the relationship between pKa/pKb, pH of the solution, ionization fractions, and buffer intensity, and to exercise students graphing skills.
Acids / Bases |
Aqueous Solution Chemistry |
pH |
Titration / Volumetric Analysis |
Water / Water Chemistry |
Equilibrium
TitrationsEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Titration / Volumetric Analysis
Determining Vitamin C in FoodsEd Vitz A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
