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Peer reviewedGilbert, George L., Ed. – Journal of Chemical Education, 1988
Describes two demonstrations for use in college chemistry classes. Includes "Spectroscopy in Large Lecture Halls" and "The Endothermic Dissolution of Ammonium Nitrate." Gives materials lists and procedures as well as a discussion of the results. (CW)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewedSmith, Robert L.; And Others – Journal of Chemical Education, 1988
Studies the polarization effect on water by cations and anions. Describes an experiment to illustrate the polarization effect of sodium, lithium, calcium, and strontium ions on the water molecule in the hydration spheres of the ions. Analysis is performed by proton NMR. (MVL)
Descriptors: Chemistry, College Science, Experiments, Higher Education
Peer reviewedHudson, Reggie L.; Pendley, Bradford D. – Journal of Chemical Education, 1988
Describes an advanced NMR project that can be done with a 60-MHz continuous-wave proton spectrometer. Points out the main purposes are to give students experience in second-order NMR analysis, the simplification of spectra by raising the frequency, and the effect of non-hydrogen nuclei on proton resonances. (MVL)
Descriptors: Chemical Analysis, Chemistry, College Science, Inorganic Chemistry
