Final - CHM 411/511 Final Exam April 26, 2007 Name: Part I....

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CHM 411/511 Name: Final Exam April 26, 2007 Part I. Short answer. Answer each of the following questions with a word, phrase, or short paragraph. Answer any 6 of the following questions. 1. How can the selectivity factor be manipulated in: (a) gas chromatography? (b) liquid chromatography? 2. a) What is the difference between normal phase and reverse phase liquid chromatography? b) What is the difference between isocratic and gradient liquid chromatography? 3. Suggest a type of liquid chromatography that would be suitable for the separation of: A) CH 3 CH 2 OH and CH 3 CH 2 CH 2 OH B) Ba +2 and Sr +2 C) C 10 H 22 and C 10 H 21 OH D) high molecular weight glucosides
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What is the selection rule for a vibrational mode to have an IR absorption band? 5. Briefly explain why changing the temperature of the atomization source greatly affects atomic emission. 6. Show what the resulting CI mass spectrum (of intact molecular ion) would look like for the compound C 4 H 8 ClBr. Just include the isotope peaks due to the halogens. Show the correct masses and abundances
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This note was uploaded on 02/16/2010 for the course CHEM 589 taught by Professor -1 during the Fall '02 term at Pennsylvania State University, University Park.

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Final - CHM 411/511 Final Exam April 26, 2007 Name: Part I....

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