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(a) Nonpolar aromatic compounds were separated by HPLC on an octadecyl (C18) bonded

Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris ISBN: 9781429218153 475

Solution for problem 24-15 Chapter 24

Quantitative Chemical Analysis | 8th Edition

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Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris

Quantitative Chemical Analysis | 8th Edition

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Problem 24-15

(a) Nonpolar aromatic compounds were separated by HPLC on an octadecyl (C18) bonded phase. The eluent was 65 vol% methanol in water. How would the retention times be affected if 90% methanol were used instead? (b) Octanoic acid and 1-aminooctane were passed through the same column described in part (a), using an eluent of 20% methanol/80% buffer (pH 3.0). State which compound is expected to be eluted first and why. CH3CH2CH2CH2CH2CH2CH2CO2H Octanoic acid CH3CH2CH2CH2CH2CH2CH2CH2NH2

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Saturday, October 15, 2016 Organic Chemistry Subject - Free Radical Halogenation homolytic cleavage- breakage of covalent bond to produce to new radical • compounds where each product gets one of the shared electrons • we use halogens (Br and Cl) • Mechanism (initiation, propagation, termination) - initiation- breaking the weakest bond to form two radical atoms using heat or light (hv) - propagation- using one of the radical atoms formed in step one and an alkane to form an alkyl radical • the alkyl radical will than react with another Cl-Cl (or Br-Br) bond to form another Cl radical - propagation chain reaction- the Cl radical can than react with another alkane and so on and so forth

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Chapter 24, Problem 24-15 is Solved
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Textbook: Quantitative Chemical Analysis
Edition: 8
Author: Daniel C. Harris
ISBN: 9781429218153

This textbook survival guide was created for the textbook: Quantitative Chemical Analysis, edition: 8. Since the solution to 24-15 from 24 chapter was answered, more than 241 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 24-15 from chapter: 24 was answered by , our top Chemistry solution expert on 03/16/18, 04:33PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 55 chapters, and 1224 solutions. The answer to “(a) Nonpolar aromatic compounds were separated by HPLC on an octadecyl (C18) bonded phase. The eluent was 65 vol% methanol in water. How would the retention times be affected if 90% methanol were used instead? (b) Octanoic acid and 1-aminooctane were passed through the same column described in part (a), using an eluent of 20% methanol/80% buffer (pH 3.0). State which compound is expected to be eluted first and why. CH3CH2CH2CH2CH2CH2CH2CO2H Octanoic acid CH3CH2CH2CH2CH2CH2CH2CH2NH2” is broken down into a number of easy to follow steps, and 74 words. Quantitative Chemical Analysis was written by and is associated to the ISBN: 9781429218153.

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(a) Nonpolar aromatic compounds were separated by HPLC on an octadecyl (C18) bonded