Chemistry: A Molecular Approach
3rd Edition
ISBN: 9780321809247
Author: Nivaldo J. Tro
Publisher: Prentice Hall
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Chapter 14, Problem 9E
Interpretation Introduction
To explain: Why the concentration of solids and liquids is omitted from the equilibrium expression.
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3. Refer to the data below to answer the following questions:
Isoelectric point
Amino Acid
Arginine
10.76
Glutamic Acid
3.22
Tryptophan
5.89
A. Define isoelectric point.
B. The most basic amino acid is
C. The most acidic amino acid is
sidizo zo
3. A gas mixture contains 50 mol% H2 and 50 mol% He.
1.00-L samples of this gas mixture are mixed with
variable volumes of O2 (at 0 °C and 1 atm). A spark is
introduced to allow the mixture to undergo complete
combustion. The final volume is measured at 0 °C and 1
atm. Which graph best depicts the final volume as a
function of the volume of added O2?
(A)
2.00
1.75
Final Volume, L
1.50
1.25
1.00
0.75
0.50
0.25
0.00
0.00
0.25
0.50
2.00
(B)
1.75
1.50
Final Volume, L
1.25
1.00
0.75
0.50-
0.25
0.00
0.75
1.00
0.00
0.25
Volume O₂ added, L
2
0.50
0.75
1.00
Volume O₂ added, L
2
2.00
2.00
(C)
(D)
1.75
1.75
1.50
1.50
Final Volume, L
1.25
1.00
0.75
0.50
Final Volume, L
1.25
1.00
0.75
0.50
0.25
0.25
0.00
0.00
0.00
0.25
0.50
0.75
1.00
0.00
0.25
Volume O₂ added, L
0.50
0.75
1.00
Volume O₂ added, L
2
Leucine is an essential amino acid with the systematic name 2-amino-3-methylpentanoic acid. It has pai
2.36 and pKa2 = 9.60.
H2N-C(R)H-COOH and R is -CH2-CH(CH3)2
A. Draw the condensed structure for leucine, and label all chirality centers with an asterisk.
B. How many possible stereoisomers of leucine are there?
C. Draw a Fischer projection of L-leucine and label the chirality center(s) as R or S.
D. What is the p/ of leucine?
E. Draw the structure of the predominant form of leucine at 10.00.
F.
Draw the structure of the predominant form of leucine at pH = 1.50.
G. Leucine is described as an essential amino acid. What does this mean?
H. Show the alkyl halide you would use to prepare leucine by the amidomalonate method.
=
Chapter 14 Solutions
Chemistry: A Molecular Approach
Ch. 14 - Prob. 1SAQCh. 14 - Q2. The equilibrium constant for the reaction...Ch. 14 - Q3. Use the data shown here to find the...Ch. 14 - Prob. 4SAQCh. 14 - Prob. 5SAQCh. 14 - Q6. For the reaction 2 A(g) B(g), the equilibrium...Ch. 14 - Q7. Consider the reaction between iodine gas and...Ch. 14 - Prob. 8SAQCh. 14 - Prob. 9SAQCh. 14 - Prob. 10SAQ
Ch. 14 - Prob. 11SAQCh. 14 - Prob. 12SAQCh. 14 - 1. How does a developing fetus get oxygen in the...Ch. 14 - Prob. 2ECh. 14 - Prob. 3ECh. 14 - Prob. 4ECh. 14 - Prob. 5ECh. 14 - Prob. 6ECh. 14 - Prob. 7ECh. 14 - Prob. 8ECh. 14 - Prob. 9ECh. 14 - Prob. 10ECh. 14 - Prob. 11ECh. 14 - Prob. 12ECh. 14 - Prob. 13ECh. 14 - Prob. 14ECh. 14 - Prob. 15ECh. 14 - Prob. 16ECh. 14 - Prob. 17ECh. 14 - Prob. 18ECh. 14 - Prob. 19ECh. 14 - Prob. 20ECh. 14 - Prob. 21ECh. 14 - Prob. 22ECh. 14 - 23. When this reaction comes to equilibrium, will...Ch. 14 - Prob. 24ECh. 14 - 25. H2 and I2 are combined in a flask and allowed...Ch. 14 - Prob. 26ECh. 14 - Prob. 27ECh. 14 - 28. This reaction has an equilibrium constant of...Ch. 14 - 29. Consider the reactions and their respective...Ch. 14 - 30. Use the reactions and their equilibrium...Ch. 14 - 31. Calculate Kc for each reaction.
a. I2(g) 2...Ch. 14 - 32. Calculate Kp for each reaction.
a. N2O4(g) 2...Ch. 14 - 33. Write an equilibrium expression for each...Ch. 14 - 34. Find and fix the mistake in the equilibrium...Ch. 14 - 35. Consider the reaction:
CO(g) + 2 H2(g) ...Ch. 14 - 36. Consider the reaction:
NH4HS(s) NH3(g) +...Ch. 14 - 37. Consider the reaction:
N2(g) + 3 H2(g) 2...Ch. 14 - 38. Consider the following reaction:
H2(g) + I2(g)...Ch. 14 - 39. Consider the reaction:
2 NO(g) + Br2(g) 2...Ch. 14 - 40. Consider the reaction:
SO2Cl2(g) SO2(g) +...Ch. 14 - 41. For the reaction A(g) 2 B(g), a reaction...Ch. 14 - 42. For the reaction 2 A(g) B(g) + 2 C(g), a...Ch. 14 - 43. Consider the reaction:
Fe3+(aq) + SCN–(aq) ...Ch. 14 - 44. Consider the reaction:
SO2Cl2(g) SO2(g) +...Ch. 14 - 45. Consider the reaction:
H2(g) + I2(g) 2...Ch. 14 - 46. Consider the reaction:
CO(g) + 2 H2(g) ...Ch. 14 - 47. Consider the reaction:
NH4HS(s) NH3(g) +...Ch. 14 - 48. Consider the reaction:
2 H2S(g) 2 H2(g) +...Ch. 14 - 49. Silver sulfate dissolves in water according to...Ch. 14 - 50. Nitrogen dioxide dimerizes according to the...Ch. 14 - 51. Consider the reaction and the associated...Ch. 14 - 52. Consider the reaction and the associated...Ch. 14 - 53. For the reaction shown here, Kc = 0.513 at 500...Ch. 14 - 54. For the reaction shown here, Kc = 255 at 1000...Ch. 14 - 55. Consider the reaction:
NiO(s) + CO(g) Ni(s) +...Ch. 14 - 56. Consider the reaction:
CO(g) + H2O(g) CO2(g)...Ch. 14 - 57. Consider the reaction:
HC2H3O2(aq) + H2O(l) ...Ch. 14 - 58. Consider the reaction:
SO2Cl2(g) SO2(g) +...Ch. 14 - 59. Consider the reaction:
Br2(g) + Cl2(g) 2...Ch. 14 - 60. Consider the reaction:
CO(g) + H2O(g) CO2(g)...Ch. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - Prob. 63ECh. 14 - 64. Consider this reaction at equilibrium:
2...Ch. 14 - 65. Consider this reaction at equilibrium:
2...Ch. 14 - 66. Consider this reaction at equilibrium:
C(s) +...Ch. 14 - 67. Each reaction is allowed to come to...Ch. 14 - Prob. 68ECh. 14 - Prob. 69ECh. 14 - Prob. 70ECh. 14 - Prob. 71ECh. 14 - Prob. 72ECh. 14 - 73. Carbon monoxide replaces oxygen in oxygenated...Ch. 14 - Prob. 74ECh. 14 - Prob. 75ECh. 14 - 76. A mixture of water and graphite is heated to...Ch. 14 - 77. At 650 K, the reaction MgCO3(s) MgO(s) +...Ch. 14 - 78. A system at equilibrium contains I2(g) at a...Ch. 14 - Prob. 79ECh. 14 - Prob. 80ECh. 14 - Prob. 81ECh. 14 - Prob. 82ECh. 14 - Prob. 83ECh. 14 - Prob. 84ECh. 14 - 85. The system described by the reaction: CO(g) +...Ch. 14 - Prob. 86ECh. 14 - 87. At 70 K, CCl4 decomposes to carbon and...Ch. 14 - 88. The equilibrium constant for the reaction...Ch. 14 - 89. A sample of CaCO3(s) is introduced into a...Ch. 14 - Prob. 90ECh. 14 - Prob. 91ECh. 14 - Prob. 92ECh. 14 - Prob. 93ECh. 14 - Prob. 94ECh. 14 - Prob. 95ECh. 14 - Prob. 96ECh. 14 - Prob. 97ECh. 14 - 98. When N2O5(g) is heated, it dissociates into...Ch. 14 - 99. A sample of SO3 is introduced into an...Ch. 14 - 100. A reaction A(g) B(g) has an equilibrium...Ch. 14 - Prob. 101ECh. 14 - Prob. 102ECh. 14 - Prob. 103ECh. 14 - Prob. 104E
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