Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 14, Problem 14.64P
14-64 Explain why the boiling point of ethylene glycol (198°C) is so much higher than that of 1-propanol (97°C), even though their molecular weights are about the same.
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Students have asked these similar questions
a. Determine the electrochemical potential of the following cell using
E°Mg2+/Mg = -2.362 V.
Mg | Mg2+ (a=104) || H* (a = 4) | H2 (p
= 0.5 bar) | Pt
b. A galvanic chain consists of Co²+ / Co and Ag+ / Ag half-cells with
EºCo²+/Co = -0.282 V and Eº Ag+/Ag = 0.799 V. Determine which half-cell will be
reduced and which one will be oxidised. Furthermore, calculate the electrochemical
potential as well as the equilibrium constant of the whole cell at
i. [Co²+] = 0.1 M and [Ag+] = 0.5 M
ii. [Co²+] = 0.001 M and [Ag*] = 1.5 M
The equilibrium voltage of the following cell has been measured at 0.522 V at 25 °C.
Pt | H2, g❘ HClaq || AgClaq | Ags
State the redox reactions present in this cell. Calculate the pH value of the electrolyte
solution with KL, AgCl = 1.96 · 10-10 mol² / L². Assume that the concentrations of H+ and
Clare equal.
Here are the energies (in kcal/mol) for staggered and eclipsed interactions
for CH, CC, and CBr bonds
eclipsed (0°) staggered (60°)
bonds
CH/CH
1.0
0.0
CH/CC
1.3
0.0
Br:
CC/CC
3.0
0.9
Br
CH/CBr
1.8
0.0
CC / CBr
3.3
1.0
CBr / CBr
3.7
1.2
a) I've drawn the Newman projection for one of the staggered conformations of the molecule
above, looking down the C2-C3 bond. Draw Newman projections for the other two staggered
and the three eclipsed conformations (in order).
CH₂
H3C.
H'
H
Br
b) Calculate the relative energies for each of the conformations and write them below each
conformation.
Chapter 14 Solutions
Introduction to General, Organic and Biochemistry
Ch. 14.1 - Prob. 14.1PCh. 14.1 - Prob. 14.2PCh. 14.2 - Problem 14-3 Draw structural formulas for the...Ch. 14.2 - Prob. 14.4PCh. 14.2 - Prob. 14.5PCh. 14.3 - Problem 14-6 Write the common name for each ether.Ch. 14.4 - Prob. 14.7PCh. 14 - 14-8 Answer true or false. The functional group of...Ch. 14 - 14-9 What is the difference in structure between a...Ch. 14 - 14-10 Which of the following are secondary...
Ch. 14 - 14-11 Which of the alcohols in Problem 14-10 are...Ch. 14 - 14-12 Write the 1UPAC name of each compound. (e)...Ch. 14 - Prob. 14.13PCh. 14 - Prob. 14.14PCh. 14 - 14-15 Both alcohols and phenols contain an —OH...Ch. 14 - Prob. 14.16PCh. 14 - 14-17 Explain in terms of noncovalent interactions...Ch. 14 - Prob. 14.18PCh. 14 - Prob. 14.19PCh. 14 - 14-20 Show hydrogen bonding between methanol and...Ch. 14 - 14-21 Show hydrogen bonding between the oxygen of...Ch. 14 - 14-22 Arrange these compounds in order of...Ch. 14 - 14-23 Arrange these compounds in order of...Ch. 14 - 14-24 2-Propanol (isopropyl alcohol) is commonly...Ch. 14 - 14-25 Explain why glycerol is much thicker (more...Ch. 14 - Prob. 14.26PCh. 14 - Prob. 14.27PCh. 14 - 14-28 Give the structural formula of an alkene or...Ch. 14 - Prob. 14.29PCh. 14 - 14-30 Show how to distinguish between cyclohexanol...Ch. 14 - 14-31 Compare the acidity of alcohols and phenols,...Ch. 14 - 14-32 Both 2,6-diisopropylcyclohexanol and the...Ch. 14 - 14-33 Write equations for the reaction of...Ch. 14 - 14-34 Write equations for the reaction of...Ch. 14 - 14-35 Write equations for the reaction of each of...Ch. 14 - 14-36 Show how to convert cyclohexanol to these...Ch. 14 - Prob. 14.37PCh. 14 - Prob. 14.38PCh. 14 - 14-39 Name two important alcohols derived from...Ch. 14 - 14-40 Name two important alcohols derived from...Ch. 14 - Prob. 14.41PCh. 14 - 14-42 Write the common name for each ether. ch3...Ch. 14 - Prob. 14.43PCh. 14 - 14-44 Answer true or false. (a) The functional...Ch. 14 - Prob. 14.45PCh. 14 - Prob. 14.46PCh. 14 - 14-47 Following are structural formulas for...Ch. 14 - 14-48 Explain why methanethiol, CH3SH, has a lower...Ch. 14 - 14-49 Answer true or false. Today, the major...Ch. 14 - Prob. 14.50PCh. 14 - 14-51 (Chemical Connections 14B) When was...Ch. 14 - 14-52 (Chemical Connections 14B) What was Alfred...Ch. 14 - Prob. 14.53PCh. 14 - 14-54 (Chemical Connections 14C) What is the color...Ch. 14 - 14-55 (Chemical Connections 140 The legal...Ch. 14 - 14-56 (Chemical Connections 14D) What does it mean...Ch. 14 - 14-57 (Chemical Connections 14E) What are the...Ch. 14 - Prob. 14.58PCh. 14 - Prob. 14.59PCh. 14 - 14-60 Write a balanced equation for the complete...Ch. 14 - 14-61 Knowing what you do about electronegativity,...Ch. 14 - 14-62 Draw structural formulas and write IUPAC...Ch. 14 - Prob. 14.63PCh. 14 - 14-64 Explain why the boiling point of ethylene...Ch. 14 - Prob. 14.65PCh. 14 - 14-66 1,4-Butanediol, hexane, and 1-pentanol have...Ch. 14 - 14-67 Of the three compounds given in Problem...Ch. 14 - Prob. 14.68PCh. 14 - 14-69 Show how to prepare each compound from...Ch. 14 - 14-70 Show how to prepare each compound from...Ch. 14 - 14-71 The mechanism of the acid-catalyzed...Ch. 14 - Prob. 14.72PCh. 14 - 14-73 Lipoic acid is a growth factor for many...Ch. 14 - 14-74 Following is a structural formula for the...Ch. 14 - Prob. 14.75PCh. 14 - Prob. 14.76PCh. 14 - Prob. 14.77PCh. 14 - 14-78 Consider alkenes A, B, and C. each of which...Ch. 14 - Prob. 14.79P
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