EP INTRO.TO GENERAL,ORGANIC...-OWL ACCE
12th Edition
ISBN: 9781337915984
Author: Bettelheim
Publisher: Cengage Learning
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Chapter 14, Problem 35P
Interpretation Introduction
Interpretation:
To comprehend the direction of twist in blond spiral pasta.
Concept Introduction:
The blond spiral past of different varieties have spiral twists of different directions.
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For example, alanine is a chiral amino acid that has two enantiomers: (+)-alanine and (-)-alanine.
These two are optical isomers.
NH2
NH2
4.
One of the most important properties of chiral
molecules in solution is their effect on plane-
polarized light, this effect is called optical activity.
-C H
2
COOH
HOOC
CH
When an enantiomer rotates a plane-polarized light
in the positive direction or clockwise, it is
dextrorotary (+ or d), while for a negative direction
or counterclockwise, it is levorotary (- or l)
(+)-Alanine
(-)-Alanine
Alanine is a chiral amino acid that has two
enantiomers: (+)-alanine and ()-alanine. These two are
optical isomers.
a) If the pH value of an aqueous solution of trimethylamine [(CH3) 3N] is 10.75, what should be the molarity of this solution? (CH3) 3N + H2O ↔ (CH3) 3NH + + OH-, Kb = 6.3 × 10-5
b) What will be the pH of the solution prepared by dissolving 8.35 g of aniline hydrochloride (C6H5NH3 + Cl-) in 750 mL of 0.215 M aniline (C6H5NH2)? Is this solution an effective buffer? Explain (Kb = 7.4 × 10-10 for aniline, C: 12.0 g / mol, H: 1.0 g / mol, N: 14.0 g / mol, Cl: 35.4 g / mol) .
a) If the pH value of an aqueous solution of trimethylamine [(CH3)3N] is 10.75, what should be the molarity of this solution?
(CH3)3N + H2O ↔ (CH3)3NH+ + OH-, Kb = 6,3 × 10-5
b) What will be the pH of the solution prepared by dissolving 8.35 g of aniline hydrochloride (C6H5NH3+Cl-) in 750 mL of 0.215 M aniline (C6H5NH2)? Is this solution an effective buffer? Explain (Kb = 7,4 × 10-10 for aniline, C: 12.0 g / mol, H: 1.0 g / mol, N: 14.0 g / mol, Cl: 35.4 g / mol) .
Chapter 14 Solutions
EP INTRO.TO GENERAL,ORGANIC...-OWL ACCE
Ch. 14.1 - Prob. 14.1QCCh. 14.2 - Problem 15-2 Assign priorities to the groups in...Ch. 14.2 - Problem 15-3 Assign an R or S configuration to the...Ch. 14.3 - Problem 15-4 3-Amino-2-butanol has two...Ch. 14.3 - Prob. 14.5QCCh. 14.3 - Prob. 14.6QCCh. 14 - 15-7 Answer true or false. The cis and trans...Ch. 14 - 15-8 What does the term “chiral” mean? Give an...Ch. 14 - 15-9 What does the term “achiral” mean? Give an...Ch. 14 - 15-10 Define the term “stereoisomer.” Name three...
Ch. 14 - 15-11 In what way are constitutional isomers...Ch. 14 - 15-12 Which of the following objects are chiral...Ch. 14 - Prob. 7PCh. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Prob. 10PCh. 14 - 15-15 Explain why the carbon of a carbonyl group...Ch. 14 - 15-16 Which of the following compounds contain...Ch. 14 - 15-17 Which of the following compounds contain...Ch. 14 - Prob. 14PCh. 14 - 15-19 Draw the mirror image for each molecule: OH...Ch. 14 - Prob. 16PCh. 14 - 15-21 Answer true or false. For a molecule with...Ch. 14 - Prob. 18PCh. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - Prob. 21PCh. 14 - 15-26 For centuries, Chinese herbal medicine has...Ch. 14 - Prob. 23PCh. 14 - Prob. 24PCh. 14 - Prob. 25PCh. 14 - Prob. 26PCh. 14 - Prob. 27PCh. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - 15-35 Following are structural formulas for three...Ch. 14 - Prob. 32PCh. 14 - 15-37 Consider a cyclohexane ring substituted with...Ch. 14 - Prob. 34PCh. 14 - Prob. 35PCh. 14 - Prob. 36PCh. 14 - 15-41 Compound A(C5Hh, is not optically active and...Ch. 14 - Prob. 38PCh. 14 - 15-43 Triamcinolone acetonide, the active...Ch. 14 - 15-44 Consider the structure of the...Ch. 14 - Prob. 41PCh. 14 - 15-46 Consider Lunesta, a nonbenzodiazepine...Ch. 14 - Prob. 43PCh. 14 - Prob. 44P
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