
Chemistry: A Molecular Approach
3rd Edition
ISBN: 9780321809247
Author: Nivaldo J. Tro
Publisher: Prentice Hall
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Question
Chapter 13, Problem 46E
(a)
Interpretation Introduction
To determine: The order of the reaction consistent with the half-life of the reaction that gets shorter as the initial concentration is increased.
(b)
Interpretation Introduction
To determine: The order of the reaction consistent with a plot of the natural log of concentration of the reactant versus the time that yields a straight line.
(c)
Interpretation Introduction
To determine: The order of the reaction consistent with the half-life of the reaction that gets longer as the initial concentration is increased.
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Please help me with # 4 and 5. Thanks in advance!
A small artisanal cheesemaker is testing the acidity of their milk
before it coagulates. During fermentation, bacteria produce lactic
acid (K₁ = 1.4 x 104), a weak acid that helps to curdle the milk and
develop flavor. The cheesemaker has measured that the developing
mixture contains lactic acid at an initial concentration of 0.025 M.
Your task is to calculate the pH of this mixture and determine whether
it meets the required acidity for proper cheese development. To
achieve the best flavor, texture and reduce/control microbial growth,
the pH range needs to be between pH 4.6 and 5.0.
Assumptions:
Lactic acid is a monoprotic acid
H
H
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H-C-C
H
:0:
O-H
Figure 1: Lewis Structure for Lactic Acid
For simplicity, you can use the generic formula HA to represent the acid
You can assume lactic acid dissociation is in water as milk is mostly water.
Temperature is 25°C
1. Write the K, expression for the dissociation of lactic acid in the space provided. Do not forget to
include state symbols.…
Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product
structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s).
Be sure to account for all bond-breaking and bond-making steps.
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Chapter 13 Solutions
Chemistry: A Molecular Approach
Ch. 13 - Q1. This graph shows the concentration of the...Ch. 13 - Q2. Dinitrogen monoxide decomposes into nitrogen...Ch. 13 - Q3. This plot shows the rate of the decomposition...Ch. 13 - Prob. 4SAQCh. 13 - Prob. 5SAQCh. 13 - Prob. 6SAQCh. 13 - Prob. 7SAQCh. 13 - Prob. 8SAQCh. 13 - Prob. 9SAQCh. 13 - Prob. 10SAQ
Ch. 13 - Q11. The mechanism shown is proposed for the gas...Ch. 13 - Q12. Which statement is true regarding the...Ch. 13 - Q13. These images represent the first-order...Ch. 13 - Prob. 14SAQCh. 13 - Prob. 15SAQCh. 13 - Prob. 1ECh. 13 - Prob. 2ECh. 13 - Prob. 3ECh. 13 - 4. Why is the reaction rate for reactants defined...Ch. 13 - Prob. 5ECh. 13 - Prob. 6ECh. 13 - Prob. 7ECh. 13 - 8. For a reaction with multiple reactants, how is...Ch. 13 - 9. Explain the difference between the rate law for...Ch. 13 - 10. Write integrated rate laws for zero-order,...Ch. 13 - Prob. 11ECh. 13 - 12. How do reaction rates typically depend on...Ch. 13 - Prob. 13ECh. 13 - 14. What is an Arrhenius plot? Explain the...Ch. 13 - Prob. 15ECh. 13 - Prob. 16ECh. 13 - 17. In a reaction mechanism, what is an elementary...Ch. 13 - 18. What are the two requirements for a proposed...Ch. 13 - 19. What is an intermediate within a reaction...Ch. 13 - Prob. 20ECh. 13 - 21. Explain the difference between homogeneous...Ch. 13 - Prob. 22ECh. 13 - Prob. 23ECh. 13 - Prob. 24ECh. 13 - 25. Consider the reaction:
2 HBr(g) → H2(g) +...Ch. 13 - 26. Consider the reaction:
2 N2O(g) → 2 N2(g) +...Ch. 13 - 27. For the reaction 2 A(g) + B(g) → 3 C(g),
a....Ch. 13 - 28. For the reaction A(g) + B(g) → 2 C(g),
a....Ch. 13 - 29. Consider the reaction:
Cl2(g) + 3 F2(g) → 2...Ch. 13 - Prob. 30ECh. 13 - Prob. 31ECh. 13 - Prob. 32ECh. 13 - 33. Consider the reaction:
H2(g) + Br2(g) ? 2...Ch. 13 - 34. Consider the reaction:
2 H2O2(aq) ? 2 H2O(l) +...Ch. 13 - Prob. 35ECh. 13 - Prob. 36ECh. 13 - Prob. 37ECh. 13 - 38. This reaction is first order in N2O5:
N2O5(g)...Ch. 13 - Prob. 39ECh. 13 - Prob. 40ECh. 13 - Prob. 41ECh. 13 - 42. Consider the data showing the initial rate of...Ch. 13 - 45. The tabulated data were collected for this...Ch. 13 - 46. The tabulated data were collected for this...Ch. 13 - 47. Indicate the order of reaction consistent with...Ch. 13 - 48. Indicate the order of reaction consistent with...Ch. 13 - 49. The tabulated data show the concentration of...Ch. 13 - Prob. 48ECh. 13 - 51. The tabulated data show the concentration of...Ch. 13 - 52. The reaction A → products was monitored as a...Ch. 13 - Prob. 51ECh. 13 - Prob. 52ECh. 13 - Prob. 53ECh. 13 - Prob. 54ECh. 13 - 57. The half-life for the radioactive decay of...Ch. 13 - 58. The half-life for the radioactive decay of...Ch. 13 - 5957. The diagram shows the energy of a reaction...Ch. 13 - Prob. 58ECh. 13 - Prob. 59ECh. 13 - Prob. 60ECh. 13 - Prob. 61ECh. 13 - Prob. 62ECh. 13 - 65. The data shown here were collected for the...Ch. 13 - Prob. 64ECh. 13 - 67. The tabulated data were collected for the...Ch. 13 - 68. The tabulated data show the rate constant of a...Ch. 13 - 69. A reaction has a rate constant of 0.0117/s at...Ch. 13 - 70. A reaction has a rate constant of 0.000122/s...Ch. 13 - Prob. 69ECh. 13 - Prob. 70ECh. 13 - Prob. 71ECh. 13 - Prob. 72ECh. 13 - Prob. 73ECh. 13 - Prob. 74ECh. 13 - Prob. 75ECh. 13 - Prob. 76ECh. 13 - 79. Many heterogeneous catalysts are deposited on...Ch. 13 - 80. Suppose that the reaction A → products is...Ch. 13 - 81. Suppose that a catalyst lowers the activation...Ch. 13 - Prob. 80ECh. 13 - Prob. 81ECh. 13 - Prob. 82ECh. 13 - Prob. 83ECh. 13 - Prob. 84ECh. 13 - Prob. 85ECh. 13 - Prob. 86ECh. 13 - Prob. 87ECh. 13 - Prob. 88ECh. 13 - 91. Iodine atoms combine to form I2 in liquid...Ch. 13 - 9290. The hydrolysis of sucrose (C12H22O11) into...Ch. 13 - 9391. The reaction AB(aq) ? A(g) + B(g) is second...Ch. 13 - Prob. 92ECh. 13 - Prob. 93ECh. 13 - Prob. 94ECh. 13 - 97. The desorption (leaving of the surface) of a...Ch. 13 - Prob. 96ECh. 13 - 99. The kinetics of this reaction were studied as...Ch. 13 - Prob. 98ECh. 13 - Prob. 99ECh. 13 - 102100. Consider the two reactions:
a. Why is...Ch. 13 - 103. Anthropologists can estimate the age of a...Ch. 13 - 104. Geologists can estimate the age of rocks by...Ch. 13 - Prob. 103ECh. 13 - 106104. Consider the reaction:
2 NH3(aq) +...Ch. 13 - Prob. 105ECh. 13 - Prob. 106ECh. 13 - Prob. 107ECh. 13 - Prob. 108ECh. 13 - Prob. 109ECh. 13 - Prob. 110ECh. 13 - 113. In this chapter we have seen a number of...Ch. 13 - 1124. The first-order integrated rate law for the...Ch. 13 - 115. The previous exercise shows how the...Ch. 13 - Prob. 114ECh. 13 - Prob. 115ECh. 13 - Prob. 116ECh. 13 - Prob. 117ECh. 13 - 120118. Consider the reaction:
CHCl3(g) + Cl2(g) ?...Ch. 13 - Prob. 119ECh. 13 - Prob. 120E
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