By Donald L. Pavia, Gary M. Lampman, George S. Kriz, Randall G. Engel
From biofuels, eco-friendly chemistry, and nanotechnology, this confirmed laboratory textbook presents the up to date insurance scholars desire of their coursework and destiny careers. The book's experiments, all designed to make use of microscale glassware and gear, disguise conventional natural reactions and syntheses, the isolation of normal items, and molecular modeling and comprise project-based experiments and experiments that experience a organic or future health technological know-how concentration. up to date all through with new and revised experiments, new and revised essays, and revised and improved suggestions, the 5th version is equipped in accordance with essays and subject matters of present curiosity.
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Additional resources for A Microscale Approach to Organic Laboratory Techniques (5th Edition)
CH3 CH Thymol CH3 OH CH3 © Cengage Learning 2013 4. 0 M NaOH. Explain. CH3 OH CH3 CH3 O CH2CH2CH2CH2CH3 Cannabinol © Cengage Learning 2013 5. Although cannabinol and methyl alcohol are both alcohols, cannabinol is very slightly soluble in methyl alcohol at room temperature. Explain. Questions 6–11 relate to Part F. Nanotechnology Demonstration 6. Why do the letters stay wet while the rest of the surface is dry? 7. Immediately after flame-cleaning the gold surface, water will adhere to the surface when the slide is dipped in water.
Optional Exercise Transfer the mother liquor to a tared (preweighed) test tube. Place the test tube in a hot water bath and evaporate all the solvent from the mother liquor. 10). Cool the test tube to room temperature and dry the outside. Weigh the test tube with solid. Compare this to the weight calculated in the Pre-Lab Calculations. Determine the melting point of this solid and compare it to the melting point of the crystals obtained by crystallization. 4). 6 (removal of insoluble impurities) will not be required.
Amphetamine in ethyl alcohol NH2 CH2CHCH3 Amphetamine d. Aspirin in water O C OH O C CH3 O Aspirin e. ) O O HO C CH2CH2 C OH Succinic acid f. Ibuprofen in diethyl ether CH3 CH3 O CH CH3CHCH2 Ibuprofen g. 1-Decanol (n-decyl alcohol) in water COH CH3(CH2)8CH2OH 1-Decanol © Cengage Learning 2013 20 2. Predict whether the following pairs of liquids would be miscible or immiscible: a. Water and methyl alcohol b. Hexane and benzene c. Methylene chloride and benzene d. Water and toluene e. Cyclohexanone and water CH3 Toluene O Cyclohexanone EXPERIMENT 2 ■ Solubility f.