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(a) When a solution containing 234 mg of butanol (FM 74.12) and 312 mg of hexanol (FM

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

Solution for problem 23-A Chapter 23

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 23-A

(a) When a solution containing 234 mg of butanol (FM 74.12) and 312 mg of hexanol (FM 102.17) in 10.0 mL was separated by gas chromatography, the relative peak areas were butanol:hexanol 1.00:1.45. Considering butanol to be the internal standard, find the response factor for hexanol. (b) Use Equation 23-2 to estimate the areas of the peaks for butanol and hexanol in Figure 23-8. (c) The solution from which the chromatogram was generated contained 112 mg of butanol. What mass of hexanol was in the solution? (d) What is the largest source in uncertainty in this problem? How great is this uncertainty?

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Thermodynamics Spontaneous Reactions: • Most are exothermic- ∆H < 0 o ex. combustion • Endothermic spontaneous reactions- ∆H > 0 o particles in product are more spread out than starting reactants o ex. cold packs • Gas à liquid à solid o Heat is released • Solidà liquidà gas o Heat is put in Entropy: • Entropy (S)- how dispersed energy is in a system at a temperature o Effected from molecular motion and volume o Increases from: increasing temperature, volume, complexity of structure, and independent particles o Can never be negative (only zero if K is zero) • Second Law of Thermodynamics- entropy of universe is equal t

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Chapter 23, Problem 23-A is Solved
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Textbook: Quantitative Chemical Analysis
Edition: 8
Author: Daniel C. Harris
ISBN: 9781429218153

Quantitative Chemical Analysis was written by and is associated to the ISBN: 9781429218153. This textbook survival guide was created for the textbook: Quantitative Chemical Analysis, edition: 8. Since the solution to 23-A from 23 chapter was answered, more than 1659 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 23-A from chapter: 23 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) When a solution containing 234 mg of butanol (FM 74.12) and 312 mg of hexanol (FM 102.17) in 10.0 mL was separated by gas chromatography, the relative peak areas were butanol:hexanol 1.00:1.45. Considering butanol to be the internal standard, find the response factor for hexanol. (b) Use Equation 23-2 to estimate the areas of the peaks for butanol and hexanol in Figure 23-8. (c) The solution from which the chromatogram was generated contained 112 mg of butanol. What mass of hexanol was in the solution? (d) What is the largest source in uncertainty in this problem? How great is this uncertainty?” is broken down into a number of easy to follow steps, and 102 words.

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(a) When a solution containing 234 mg of butanol (FM 74.12) and 312 mg of hexanol (FM