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 1, Problem 92E
(a)
Interpretation Introduction
Interpretation: Convert
(b)
Interpretation Introduction
Interpretation: Convert
(c)
Interpretation Introduction
Interpretation: Convert
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each pair of substrates below, choose the one that will react faster in a substitution reaction, assuming that:
1. the rate of substitution doesn't depend on nucleophile concentration and
2. the products are a roughly 50/50 mixture of enantiomers.
Substrate A
Substrate B
Faster Rate
X
Ś
CI
(Choose one)
(Choose one)
CI
Br
Explanation
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Br
(Choose one)
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NMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at
4.1 ppm? Select the single best answer.
The
H
O
HỌC—C—0—CH, CH,
2
A
ethyl acetate
H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm
Check
OA
B
OC
ch
B
C
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How many signals do you expect in the H NMR spectrum for this molecule?
Br Br
Write the answer below.
Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H
atoms that would contribute to the same signal as the H already highlighted red
Note for advanced students: In this question, any multiplet is counted as one signal.
1
Number of signals in the 'H NMR spectrum.
For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to
the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
Check
For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute
to the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
O
✓
No additional Hs to color in top
molecule
ง
No additional Hs to color in bottom…
Chapter 1 Solutions
Chemistry: A Molecular Approach Plus Mastering Chemistry with Pearson eText -- Access Card Package (4th Edition) (New Chemistry Titles from Niva Tro)
Ch. 1 - A chemist mixes sodium with water and witnesses a...Ch. 1 - Q2. This image represents a particulate view of a...Ch. 1 - Which change is a physical change? a) Wood burning...Ch. 1 - Q4. Which property of rubbing alcohol is a...Ch. 1 - Convert 85F to K. a) 181.1 K b) 358 K c) 29.4 K d)...Ch. 1 - Express the quantity 33.2 10?4 m in mm. a) 33.2...Ch. 1 - Q7. What is the mass of a 1.75 L sample of a...Ch. 1 - Perform the calculation to the correct number of...Ch. 1 - Q9. Perform the calculation to the correct number...Ch. 1 - Q10. Convert 1285 cm2 to m2.
a) 1.285 × 107...
Ch. 1 - Q11. The first diagram depicts a compound in its...Ch. 1 - Q12. Three samples, each of a different substance,...Ch. 1 - Q13. A solid metal sphere has a radius of 3.53 cm...Ch. 1 - Q14. The gas mileage of a certain German...Ch. 1 - Q15. A wooden block has a volume of 18.5 in3....Ch. 1 - 1. Explain this statement in your own words and...Ch. 1 - Prob. 2ECh. 1 - 3. Describe the scientific approach to knowledge....Ch. 1 - 4. Explain the differences between a hypothesis, a...Ch. 1 - 5. What observations did Antoine Lavoisier make?...Ch. 1 - 6. What theory did John Dalton formulate?
Ch. 1 - 7. What is wrong with the expression “That is just...Ch. 1 - 8. What are two different ways to classify...Ch. 1 - 9. How do solids, liquids, and gases differ?
Ch. 1 - 10. What is the difference between a crystalline...Ch. 1 - 11. Explain the difference between a pure...Ch. 1 - 12. Explain the difference between an element and...Ch. 1 - 13. Explain the difference between a homogeneous...Ch. 1 - 14. What kind of mixtures can be separated by...Ch. 1 - 15. Explain how distillation is used to separate...Ch. 1 - 16. What is the difference between a physical...Ch. 1 - 17. What is the difference between a physical...Ch. 1 - 18. Explain the significance of the law of...Ch. 1 - Prob. 19ECh. 1 - 20. What are the standard SI base units of length,...Ch. 1 - 21. What are the three common temperature scales?...Ch. 1 - 22. What are prefix multipliers? List some...Ch. 1 - 23. What is a derived unit? List an example.
Ch. 1 - 24. Explain the difference between density and...Ch. 1 - 25. Explain the difference between intensive and...Ch. 1 - 26. What is the meaning of the number of digits...Ch. 1 - 27. When multiplying or dividing measured...Ch. 1 - 28. When adding and subtracting measured...Ch. 1 - 29. What are the rules for rounding off the...Ch. 1 - Prob. 30ECh. 1 - Prob. 31ECh. 1 - 32. What is dimensional analysis?
Ch. 1 - 33. Classify each statement as an observation, a...Ch. 1 - 34. Classify each statement as an observation, a...Ch. 1 - 35. A chemist decomposes several samples of carbon...Ch. 1 - 36. When astronomers observe distant galaxies,...Ch. 1 - 37. Classify each substance as a pure substance or...Ch. 1 - 38. Classify each substance as a pure substance or...Ch. 1 - 39. Complete the table.
Substance Pure or...Ch. 1 - 40. Complete the table.
Substance Pure or...Ch. 1 - 41. Determine whether each molecular diagram...Ch. 1 - 42. Determine whether each molecular diagram...Ch. 1 - 43. Classify each of the listed properties of...Ch. 1 - Prob. 44ECh. 1 - Prob. 45ECh. 1 - 46. Classify each property as physical or...Ch. 1 - 47. Classify each change as physical or...Ch. 1 - Prob. 48ECh. 1 - 49. Based on the molecular diagram, classify each...Ch. 1 - 50. Based on the molecular diagram, classify each...Ch. 1 - 51. Convert each temperature.
a. F to ...Ch. 1 - 52. Convert each temperature.
a. F to ...Ch. 1 - 53. The coldest temperature ever measured in the...Ch. 1 - Prob. 54ECh. 1 - 55. Use the prefix multiplier to express each...Ch. 1 - 56. Use the prefix multiplier to express each...Ch. 1 - 57. Use scientific notation to express each...Ch. 1 - 58. Use scientific notation to express each...Ch. 1 - 59. Complete the table.
a. 1245 kg 1.245 × 106...Ch. 1 - 60. Complete the table.
a. 355...Ch. 1 - 61. Express the quantity 254,998 m in each...Ch. 1 - 62. Express the quantity in each unit.
a. ms
b....Ch. 1 - 63. How many 1 cm squares would it take to...Ch. 1 - Prob. 64ECh. 1 - 65. A new penny has a mass of 2.49 g and a volume...Ch. 1 - 66. A titanium bicycle frame displaces 0.314 L of...Ch. 1 - 67. Glycerol is a syrupy liquid often used in...Ch. 1 - 68. A supposedly gold nugget displaces 19.3 mL of...Ch. 1 - 69. Ethylene glycol (antifreeze) has a density of...Ch. 1 - 70. Acetone (nail polish remover) has a density of...Ch. 1 - 71. A small airplane takes on 245 L of fuel. If...Ch. 1 - 72. Human fat has a density of . How much volume ...Ch. 1 - Prob. 73ECh. 1 - 74. Read each measurement to the correct number of...Ch. 1 - 75. For each number, underline the zeros that are...Ch. 1 - 76. For each number, underline the zeros that are...Ch. 1 - 77. How many significant figures are in each...Ch. 1 - 78. How many significant figures are in each...Ch. 1 - Prob. 79ECh. 1 - 80. Indicate the number of significant figures in...Ch. 1 - 81. Round each number to four significant...Ch. 1 - Prob. 82ECh. 1 - 83. Calculate to the correct number of significant...Ch. 1 - 84. Calculate to the correct number of significant...Ch. 1 - 85. Calculate to the correct number of significant...Ch. 1 - 86. Calculate to the correct number of significant...Ch. 1 - 87. Calculate to the correct number of significant...Ch. 1 - 88. Calculate to the correct number of significant...Ch. 1 - Prob. 89ECh. 1 - 90. A flask containing 9.55 mL of a liquid weighs...Ch. 1 - Prob. 91ECh. 1 - 92. Perform each unit conversion.
a. 28.9 nm to...Ch. 1 - Prob. 93ECh. 1 - Prob. 94ECh. 1 - 95. A runner wants to run 10.0 km. Her running...Ch. 1 - 96. A cyclist rides at an average speed of 18 mi...Ch. 1 - 97. A certain European automobile has a gas...Ch. 1 - 98. A gas can holds 5.0 gal of gasoline. Express...Ch. 1 - 99. A house has an area of . What is its area in...Ch. 1 - Prob. 100ECh. 1 - 101. The average U.S. farm occupies 435 acres. How...Ch. 1 - Prob. 102ECh. 1 - 103. An acetaminophen suspension for infants...Ch. 1 - Prob. 104ECh. 1 - Prob. 105ECh. 1 - 106. Determine the number of picoseconds in 2.0...Ch. 1 - 107. Classify each property as intensive or...Ch. 1 - 108. At what temperature are the readings on the...Ch. 1 - 109. Suppose you design a new thermometer called...Ch. 1 - 110. On a new Jekyll temperature scale, water...Ch. 1 - 111. Force is defined as mass times acceleration....Ch. 1 - Prob. 112ECh. 1 - 113. Do each calculation without your calculator...Ch. 1 - Prob. 114ECh. 1 - 115. A thief uses a can of sand to replace a solid...Ch. 1 - 116. The proton has a radius of approximately and...Ch. 1 - 117. The density of titanium is . What is the...Ch. 1 - 118. The density of iron is . What is its density...Ch. 1 - Prob. 119ECh. 1 - 120. A solid aluminum sphere has a mass of 85 g....Ch. 1 - 121. A backyard swimming pool holds 185 cubic...Ch. 1 - 122. An iceberg has a volume of . What is the mass...Ch. 1 - 123. The Toyota Prius, a hybrid electric vehicle,...Ch. 1 - Prob. 124ECh. 1 - Prob. 125ECh. 1 - 126. A sample of gaseous neon atoms at atmospheric...Ch. 1 - Prob. 127ECh. 1 - Prob. 128ECh. 1 - 129. Table salt contains 39.33 g of sodium per 100...Ch. 1 - Prob. 130ECh. 1 - 131. A length of 8 copper wire (radius = 1.63 mm)...Ch. 1 - 132. Rolls of aluminum foil are 304 mm wide and...Ch. 1 - Prob. 133ECh. 1 - 134. Mercury is often used in thermometers. The...Ch. 1 - 135. A force of is applied to a diver’s face mask...Ch. 1 - Prob. 136ECh. 1 - Prob. 137ECh. 1 - Prob. 138ECh. 1 - Prob. 139ECh. 1 - 140. Nanotechnology, the field of building...Ch. 1 - Prob. 141ECh. 1 - 142. A box contains a mixture of small copper...Ch. 1 - 143. A volatile liquid (one that easily...Ch. 1 - Prob. 144ECh. 1 - Prob. 145ECh. 1 - Prob. 146ECh. 1 - Prob. 147ECh. 1 - 148. Let a triangle represent atoms of element A...Ch. 1 - 149. Identify each statement as being most like an...Ch. 1 - Prob. 150QGWCh. 1 - 151. Look up the measurement of the approximate...Ch. 1 - Prob. 152QGWCh. 1 - Prob. 153QGWCh. 1 - Prob. 154QGWCh. 1 - 155. The graph in Figure a▼ plots the density of...
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- in the kinetics experiment, what were the values calculated? Select all that apply.a) equilibrium constantb) pHc) order of reactiond) rate contstantarrow_forwardtrue or false, given that a 20.00 mL sample of NaOH took 24.15 mL of 0.141 M HCI to reach the endpoint in a titration, the concentration of the NaOH is 1.17 M.arrow_forwardin the bromothymol blue experiment, pKa was measured. A closely related compound has a Ka of 2.10 x 10-5. What is the pKa?a) 7.1b) 4.7c) 2.0arrow_forward
- calculate the equilibrium concentration of H2 given that K= 0.017 at a constant temperature for this reaction. The inital concentration of HBr is 0.050 M.2HBr(g) ↔ H2(g) + Br2(g)a) 4.48 x 10-2 M b) 5.17 x 10-3 Mc) 1.03 x 10-2 Md) 1.70 x 10-2 Marrow_forwardtrue or falsegiven these two equilibria with their equilibrium constants:H2(g) + CI2(l) ↔ 2HCI(g) K= 0.006 CI2(l) ↔ CI2(g) K= 0.30The equilibrium contstant for the following reaction is 1.8H2(g) + CI2 ↔ 2HCI(g)arrow_forwardI2(g) + CI2(g) ↔ 2ICIK for this reaction is 81.9. Find the equilibrium concentration of I2 if the inital concentration of I2 and CI2 are 0.010 Marrow_forward
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