Chemistry: A Molecular Approach Plus Mastering Chemistry with Pearson eText -- Access Card Package (4th Edition) (New Chemistry Titles from Niva Tro)
4th Edition
ISBN: 9780134103976
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 14, Problem 65E
Interpretation Introduction
To determine: The activation barrier and frequency factor.
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The emission data in cps displayed in Table 1 is reported to two decimal places by the
chemist. However, the instrument output is shown in Table 2.
Table 2. Iron emission from ICP-AES
Sample
Blank
Standard
Emission, cps
579.503252562
9308340.13122
Unknown Sample
343.232365741
Did the chemist make the correct choice in how they choose to display the data up in Table
1? Choose the best explanation from the choices below.
No. Since the instrument calculates 12 digits for all values, they should all be kept and not truncated.
Doing so would eliminate significant information.
No. Since the instrument calculates 5 decimal places for the standard, all of the values should be
limited to the same number. The other decimal places are not significant for the blank and unknown
sample.
Yes. The way Saman made the standards was limited by the 250-mL volumetric flask. This glassware
can report values to 2 decimal places, and this establishes our number of significant figures.
Yes. Instrumental data…
Steps and explanation please
Steps and explanation to undertand concepts.
Chapter 14 Solutions
Chemistry: A Molecular Approach Plus Mastering Chemistry with Pearson eText -- Access Card Package (4th Edition) (New Chemistry Titles from Niva Tro)
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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