Chemistry: An Everyday Approach to Chemical Investigation
May 2008, ©2009
The advantages of using accessible materials in chemistry laboratory are considerable. Students can reinforce lecture discussions while working with familiar materials. For instructors, assembling the chemicals required for a lab course can be accomplished with limited budgets and without access to a chemical company. Problems with safety and waste disposal are significantly reduced.
II. Equipment, Glassware, and Laboratory Techniques.
III. Reporting Data and Results.
Experiment 1. Density: Identifying Solids and Liquids.
Experiment 2. Beer's Law, Copper Ammonium Complex.
Experiment 3. Analysis of Food Dyes using Visible Spectroscopy and Paper Chromatography.
Experiment 4. Determining the Formula of a Hydrate.
Experiment 5. Quantitative Determination of P in Plant Food.
Experiment 6. Preparation of Solutions.
Experiment 7. Analysis of Spinach Extract.
Experiment 8. Measuring pH with Universal Indicator.
Experiment 9. Extraction of Curcumin from Turmeric.
Experiment 10. pH-Titration.
Experiment 11. Preparation & Acid-Base Properties of Ammonium Chloride.
Experiment 12. Boyle's Law.
Experiment 13. Molar Mass of a Volatile Liquid by Vapor Density.
Experiment 14. Percent of H<sub>2</sub>O<sub>2</sub> by Gas Evolved.
Experiment 15. Equilibrium and Le Châtelier's Principle.
Experiment 16. Calorimetry: Measuring Heat of Neutralization.
Experiment 17. Heat of Solution and Hot Packs.
Experiment 18. Molar Mass by Freezing Point Depression.
Experiment 19. Kinetics of the Iodination of Acetone.
Experiment 20. Kinetics of the Oxidation of Food Dye with Sodium Hypochlorite.
Experiment 21. Redox Titration: Iodine used to Determine Ascorbic Acid.
Experiment 22. Electrochemistry.
Experiment 23. Synthesis of Copper Nanoparticles.
Experiment 24. Synthesis of Copper Pigments: Making Paints.
Experiment 25. Synthesis of Ethyl Salicylate from Aspirin Tablets.
Experiment 26. Qualitative Analysis of Household Compounds and Mixtures.
Experiment 27. Measuring Potassium-40 in Salt Products.
Appendix. Table of Available Chemicals.
Using products: This manual is unique and different from all others in the market in that all of the experiments it contains can be done with chemicals and reagents found in drugstores, supermarkets, or convenience stores.
Using products: When possible, experiments are simply modified to utilize household chemicals. When substitutes are not available, new experiments have been designed.
Guided inquiry: One part of each experiment in the manual requires students to develop and carry out their own procedure for a given task. These guided inquiry sections also provide practical experience in reporting results with properly labeled plots, tables and diagrams.
Safety: Every experiment in the manual includes a safety section, which rates the toxicity, flammability, and exposure from 0 (low) to 3 (high) of all chemicals used
Prelab: Questions are intended to practice skills needed for the experiment
Postlab: Questions following each lab require students to think about the experiment and the results they’ve obtained.
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