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Direct linkWieder, Milton J.; Barrows, Russell – Journal of Chemical Education, 2008
Treatment of phenylacetic acid with 90% HNO[subscript 3] yields a product, I, whose observed melting point is 175-179 degrees C and whose equivalent weight is approximately 226 grams. Treatment of phenylacetic acid with 70% HNO[subscript 3] yields a product, II, whose observed melting point is 106-111 degrees C and whose equivalent weight is…
Descriptors: Organic Chemistry, Science Laboratories, Heat, Spectroscopy
Aktoudianakis, Evangelos; Chan, Elton; Edward, Amanda R.; Jarosz, Isabel; Lee, Vicki; Mui, Leo; Thatipamala, Sonya S.; Dicks, Andrew P. – Journal of Chemical Education, 2008
This article describes the rapid, green synthesis of a biaryl compound (4-phenylphenol) via a Pd(0)-catalyzed Suzuki cross-coupling reaction in water. Mild reaction conditions and operational simplicity makes this experiment especially amenable to both mid- and upper-level undergraduates. The methodology exposes students to purely aqueous…
Descriptors: Science Instruction, Science Experiments, Scientific Principles, College Science
Katz, Civia A.; Calzola, Zachary J.; Mbindyo, Jeremiah K. N. – Journal of Chemical Education, 2008
A microscale laboratory experiment to investigate the formation and utility of microemulsions is described. Microemulsions are technologically important fluids that can reduce the use of toxic organic solvents. In the experiment, students prepare a microemulsion and compare the solubility of sudan III dye in the microemulsion and in dodecane. They…
Descriptors: Chemistry, Laboratory Experiments, Science Instruction, College Science
