Exam%20Final2002 - Final Exam Chem 311 Fall 2002 December...

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F i n a l E x a m N a m e Chem 311 Fall 2002 December 16 1) (3 pts) In GC separation is based on the following two properties of the solutes a) polarity and size b) vapor pressure and molecular weight c) vapor pressure and polarity d) charge and size 2) In reverse-phase HPLC separation is based on the following two properties of the solutes? (3 pts) a) polarity and size b) vapor pressure and molecular weight c) vapor pressure and polarity d) charge and size 3) In CE separation is based on what two properties of the solutes? (3 pts) a) polarity and size b) vapor pressure and molecular weight c) vapor pressure and polarity d) charge and size 4) In GC why is it important to use temperature programming when using a splitless injection? (3 pts) 5) Which of the following is an advantage of using a Flame Ionization Detector as a detector instead of a mass spectrometer? (3 pts) YOU MAY CHOOSE MORE THAN ONE!! A) identification of unknowns B) distinguishing between unresolved chromatographic peaks C) provides better quantitative data for narrow chromatographic peaks D) has a better dynamic range
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6) Approximately, how many mass spectra are typically acquired throughout the
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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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Exam%20Final2002 - Final Exam Chem 311 Fall 2002 December...

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