Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Chemistry: A Molecular Approach (4th Edition)
4th Edition
ISBN: 9780134162430
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 14, Problem 13E
Interpretation Introduction
To explain: The meaning of each term in the Arrhenius equation and why small changes in temperature can result in large changes in reaction rates.
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Br
HO
?
HO
✓
OH
Use the literature Ka value of the acetic acid, and the data below to answer these questions. Note: You will not use the experimental titration graphs to answer the questions that follow.
Group #1:
Buffer pH = 4.35
Group #2:
Buffer pH = 4.70
Group #3:
Buffer pH = 5.00
Group #4:
Buffer pH = 5.30
Use the Henderson-Hasselbalch equation, the buffer pH provided and the literature pKa value of acetic acid to perform the following:
a) calculate the ratios of [acetate]/[acetic acid] for each of the 4 groups buffer solutions above.
b) using the calculated ratios, which group solution will provide the best optimal buffer (Hint: what [acetate]/[acetic acid] ratio value is expected for an optimal buffer?)
c) explain your choice
How would you prepare 1 liter of a 50 mM Phosphate buffer at pH 7.5 beginning with K3PO4 and 1 M HCl or 1 M NaOH? Please help and show calculations. Thank you
Chapter 14 Solutions
Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Chemistry: A Molecular Approach (4th Edition)
Ch. 14 - Prob. 1SAQCh. 14 - Q2. Dinitrogen monoxide decomposes into nitrogen...Ch. 14 - Q3. This plot shows the rate of the decomposition...Ch. 14 - Q4. For the reaction 2 A + B → C, the initial rate...Ch. 14 - Prob. 5SAQCh. 14 - Prob. 6SAQCh. 14 - Prob. 7SAQCh. 14 - Prob. 8SAQCh. 14 - Q9. The rate constant of a reaction is measured at...Ch. 14 - Prob. 10SAQ
Ch. 14 - Prob. 11SAQCh. 14 - Q12. Which statement is true regarding the...Ch. 14 - Prob. 13SAQCh. 14 - Q14. Use collision theory to determine which...Ch. 14 - Q15. Carbon monoxide and chlorine gas react to...Ch. 14 - Prob. 1ECh. 14 - Prob. 2ECh. 14 - Prob. 3ECh. 14 - 4. Why is the reaction rate for reactants defined...Ch. 14 - Prob. 5ECh. 14 - Prob. 6ECh. 14 - Prob. 7ECh. 14 - 8. For a reaction with multiple reactants, how is...Ch. 14 - 9. Explain the difference between the rate law for...Ch. 14 - 10. Write integrated rate laws for zero-order,...Ch. 14 - Prob. 11ECh. 14 - 12. How do reaction rates typically depend on...Ch. 14 - Prob. 13ECh. 14 - 14. What is an Arrhenius plot? Explain the...Ch. 14 - Prob. 15ECh. 14 - Prob. 16ECh. 14 - 17. In a reaction mechanism, what is an elementary...Ch. 14 - 18. What are the two requirements for a proposed...Ch. 14 - 19. What is an intermediate within a reaction...Ch. 14 - Prob. 20ECh. 14 - 21. Explain the difference between homogeneous...Ch. 14 - Prob. 22ECh. 14 - Prob. 23ECh. 14 - Prob. 24ECh. 14 - 25. Consider the reaction:
2 HBr(g) → H2(g) +...Ch. 14 - 26. Consider the reaction:
2 N2O(g) → 2 N2(g) +...Ch. 14 - 27. For the reaction 2 A(g) + B(g) → 3 C(g),
a....Ch. 14 - 28. For the reaction A(g) + B(g) → 2 C(g),
a....Ch. 14 - 29. Consider the reaction:
Cl2(g) + 3 F2(g) → 2...Ch. 14 - Prob. 30ECh. 14 - Prob. 31ECh. 14 - Prob. 32ECh. 14 - Prob. 33ECh. 14 - 34. Consider the reaction:
2 H2O2(aq) → 2 H2O(l) +...Ch. 14 - Prob. 35ECh. 14 - Prob. 36ECh. 14 - Prob. 37ECh. 14 - 38. This reaction is first order in N2O5:
N2O5(g)...Ch. 14 - Prob. 39ECh. 14 - Prob. 40ECh. 14 - Prob. 41ECh. 14 - 42. Consider the data showing the initial rate of...Ch. 14 - Prob. 43ECh. 14 - Prob. 44ECh. 14 - 45. The tabulated data were collected for this...Ch. 14 - 46. The tabulated data were collected for this...Ch. 14 - 47. Indicate the order of reaction consistent with...Ch. 14 - 48. Indicate the order of reaction consistent with...Ch. 14 - 49. The tabulated data show the concentration of...Ch. 14 - Prob. 50ECh. 14 - 51. The tabulated data show the concentration of...Ch. 14 - 52. The reaction A → products was monitored as a...Ch. 14 - Prob. 53ECh. 14 - Prob. 54ECh. 14 - Prob. 55ECh. 14 - Prob. 56ECh. 14 - 57. The half-life for the radioactive decay of...Ch. 14 - 58. The half-life for the radioactive decay of...Ch. 14 - Prob. 59ECh. 14 - Prob. 60ECh. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - Prob. 63ECh. 14 - Prob. 64ECh. 14 - 65. The data shown here were collected for the...Ch. 14 - Prob. 66ECh. 14 - 67. The tabulated data were collected for the...Ch. 14 - 68. The tabulated data show the rate constant of a...Ch. 14 - 69. A reaction has a rate constant of 0.0117/s at...Ch. 14 - 70. A reaction has a rate constant of 0.000122/s...Ch. 14 - Prob. 71ECh. 14 - Prob. 72ECh. 14 - Prob. 73ECh. 14 - Prob. 74ECh. 14 - Prob. 75ECh. 14 - Prob. 76ECh. 14 - Prob. 77ECh. 14 - Prob. 78ECh. 14 - 79. Many heterogeneous catalysts are deposited on...Ch. 14 - 80. Suppose that the reaction A → products is...Ch. 14 - 81. Suppose that a catalyst lowers the activation...Ch. 14 - Prob. 82ECh. 14 - Prob. 83ECh. 14 - Prob. 84ECh. 14 - Prob. 85ECh. 14 - Prob. 86ECh. 14 - Prob. 87ECh. 14 - Prob. 88ECh. 14 - Prob. 89ECh. 14 - Prob. 90ECh. 14 - 91. Iodine atoms combine to form I2 in liquid...Ch. 14 - 92. The hydrolysis of sucrose (C12H22O11) into...Ch. 14 - Prob. 93ECh. 14 - Prob. 94ECh. 14 - Prob. 95ECh. 14 - Prob. 96ECh. 14 - 97. The desorption (leaving of the surface) of a...Ch. 14 - Prob. 98ECh. 14 - 99. The kinetics of this reaction were studied as...Ch. 14 - Prob. 100ECh. 14 - Prob. 101ECh. 14 - 102. Consider the two reactions:
a. Why is the...Ch. 14 - 103. Anthropologists can estimate the age of a...Ch. 14 - 104. Geologists can estimate the age of rocks by...Ch. 14 - Prob. 105ECh. 14 - 106. Consider the reaction:
2 NH3(aq) + OCl–(aq) →...Ch. 14 - Prob. 107ECh. 14 - Prob. 108ECh. 14 - Prob. 109ECh. 14 - Prob. 110ECh. 14 - Prob. 111ECh. 14 - Prob. 112ECh. 14 - 113. In this chapter we have seen a number of...Ch. 14 - Prob. 114ECh. 14 - 115. The previous exercise shows how the...Ch. 14 - Prob. 116ECh. 14 - Prob. 117ECh. 14 - Prob. 118ECh. 14 - Prob. 119ECh. 14 - Prob. 120ECh. 14 - Prob. 121ECh. 14 - Prob. 122ECh. 14 - Prob. 123QGWCh. 14 - 124. A certain compound, A, reacts to form...Ch. 14 - 125. The color of food is an important component...
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