Introductory Chemistry, Books a la Carte Edition (6th Edition)
6th Edition
ISBN: 9780134564074
Author: Nivaldo J. Tro
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 118E
Gallium has only two naturally occurring isotopes, Ga-69 and Ga-71. The mass of Ga-69 is 68.9256 amu, and the mass of Ga-71 is 70.9247 amu. Use the
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Part VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below.
Find the following:
(a) The no. of protons corresponding to each signal in the spectra
(6) Give the structure of the compound and assign the signals to each
proton in the compound.
a
70.2
Integration Values
C5H10O2
b
47.7
C
46.5
d
69.5
3.6 3.5
3.4 3.3 3.2 3.1 3.0
2.9 2.8
2.7
2.6 2.5
2.4 2.3 2.2 2.1 2.0
Chemical Shift (ppm)
1.9
1.8
1.7 1.6
1.5
1.4 1.3 1.2
1.1 1.0
0.9 0.8
Part 111. 1 H-NMR spectrum of a compound with integration values in red is given below.
Answer the following:
(a) write the signals in the 'H-NMR spectrum to the corresponding protons on the structure
of the molecule below.
(b) Identify the theoretical multiplicities for each proton in the compound. Also give the possible.
complex splitting patterns assuming J values are not similar.
там
Br
22
2
3
6
4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 5.2 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0
Chemical Shift (ppm)
ra.
Br
2
3
6
6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
Chemical Shift (ppm)
2
2
Br
7.3
7.2
7.1
7.0 6.9
6.7 6.6 6.5
6.4
6.3
6.2
6.1
6.0
Chemical Shift (ppm)
5.9
5.8 5.7
5.5 5.4 5.3 5.2
5.0 4.9
1600°
1538°C
1493°C
In the diagram, the letter L indicates
that it is a liquid. Indicate its
components in the upper region
where only L is indicated.
The
iron-iron carbide phase
diagram.
Temperature (°C)
1400
8
1394°C
y+L
1200
2.14
y, Austenite
10000
912°C
800a
0.76
0.022
600
400
(Fe)
a, Ferrite
Composition (at% C)
15
1147°C
a + Fe3C
2
3
Composition (wt% C)
L
2500
4.30
2000
y + Fe3C
727°C
1500
Cementite (Fe3C)
1000
4
5
6
6.70
Temperature (°F)
Chapter 4 Solutions
Introductory Chemistry, Books a la Carte Edition (6th Edition)
Ch. 4 - Q1. Which statement is not part of Dalton’s...Ch. 4 - Q2. Which statement best summarizes the nuclear...Ch. 4 - Q3. An ion composed of which of these particles...Ch. 4 - Which element is a maingroup metal with an even...Ch. 4 - Which element is a halo0gen? a. Ne b. O c. Ca d. ICh. 4 - Prob. 6SAQCh. 4 - Q7. Which element is a row 4 noble gas?
a. Ne
b....Ch. 4 - How many element does the predictable (most...Ch. 4 - Q9. How many neutrons does the Fe-56 isotope...Ch. 4 - Q10. Determine the number of protons, neutrons,...
Ch. 4 - Q11. What is the charge of the Cr ion that...Ch. 4 - An element has four naturally occurring isotopes;...Ch. 4 - What did Democritus contribute to our modern...Ch. 4 - 2. What are three man ideas in Dalton’s atomic...Ch. 4 - Describe Rutherfords gold foil experiment and the...Ch. 4 - What are the main ideas in the nuclear theory of...Ch. 4 - List the three subatomic particles and their...Ch. 4 - What is electrical charge?Ch. 4 - Is matter usually charge-neutral? How would be...Ch. 4 - 8. What does the atomic number of an element...Ch. 4 - What is a chemical symbol?Ch. 4 - Prob. 10ECh. 4 - What Dmitri Mendeleevs main contribution to our...Ch. 4 - What is the man idea in the periodic law?Ch. 4 - How is the periodic table organized?Ch. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - Prob. 16ECh. 4 - What is a family or group of elements?Ch. 4 - Locate each group of elements on the periodic...Ch. 4 - 19. What is an ion?
Ch. 4 - Prob. 20ECh. 4 - 21. Locate each group on the periodic table and...Ch. 4 - 22. What are isotopes?
Ch. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - What notations are commonly used to specify...Ch. 4 - What is the atomic mass of an element?Ch. 4 - 27. Which statement are inconsistent with Dalton’s...Ch. 4 - Which statements are consistent with Daltons...Ch. 4 - Which statements are inconsistent with Rutherfords...Ch. 4 - 30. Which statement are consistent with...Ch. 4 - Prob. 31ECh. 4 - 32. Rutherford’s experiment indicated that matter...Ch. 4 - 33. Which statement about electrons is true?
a....Ch. 4 - 34. Which statement about electrons is false?
a....Ch. 4 - 35. Which statement about protons is true?
a....Ch. 4 - 36. Which statement about protons is false?
a....Ch. 4 - 37. How many electrons would it take to equal the...Ch. 4 - A helium nucleus has two has two neutrons. How...Ch. 4 - What mass of electrons is required to neutralize...Ch. 4 - 40. What mass of protons is required to neutralize...Ch. 4 - Find the atomic number (Z) for each element. a. Fr...Ch. 4 - Prob. 42ECh. 4 - 43. How many protons are in the nucleus of an atom...Ch. 4 - How many protons are in the nucleus of an atom of...Ch. 4 - 45. List the symbol and atomic number of each...Ch. 4 - 46. List the symbol and atomic number of each...Ch. 4 - List the name and the atomic number of each...Ch. 4 - List the name and the atomic number of each...Ch. 4 - Fill in the blanks to complete the table. Element...Ch. 4 - Fill in the blanks to complete the table. Element...Ch. 4 - Classify each element as a metal, nonmetal, or...Ch. 4 - Classify each element as a metal, nonmetal, or...Ch. 4 - Which elements would you expect to lose electrons...Ch. 4 - 54. Which elements would you expect to gain...Ch. 4 - 55. Which elements are main group elements?
a....Ch. 4 - Which elements are not main-group elements? a. AI...Ch. 4 - 57. Which elements are alkaline earth metals?
a....Ch. 4 - Which elements are alkaline earth metal? a....Ch. 4 - 59. Which elements are alkali metals?
a. barium
b....Ch. 4 - Which elements are alkali metals? a. scandium b....Ch. 4 - Classify each element as a halogen, a noble gas,...Ch. 4 - Prob. 62ECh. 4 - 63. To what group number does each element...Ch. 4 - Prob. 64ECh. 4 - Which element do you expect to be most like...Ch. 4 - Which element do you expect to be most like...Ch. 4 - Which pair of elements do you expect to be most...Ch. 4 - Prob. 68ECh. 4 - 69. Which element is a main – group nonmetal?
a....Ch. 4 - Prob. 70ECh. 4 - Prob. 71ECh. 4 - Prob. 72ECh. 4 - Prob. 73ECh. 4 - Prob. 74ECh. 4 - Determine the change of each ion. a. oxygen ion...Ch. 4 - 76. Determine the charge of each ion.
a. tungsten...Ch. 4 - Determine the number of protons and electrons in...Ch. 4 - 78. Determine the number of protons and electrons...Ch. 4 - Prob. 79ECh. 4 - Determine whether each statement is true or false....Ch. 4 - Predict the ion formed by each element. a. Rb b. K...Ch. 4 - 82. Predict ion formed by each element.
a. F
b....Ch. 4 - Predict how many electrons each element will most...Ch. 4 - Predict how many electrons each element will most...Ch. 4 - 85. Fill in the blanks to compele the...Ch. 4 - Fill in the blacks to complete the table. Symbol...Ch. 4 - 87. Determine the atomic number and mass number...Ch. 4 - 88. How many neutrons are in an atom each atomic...Ch. 4 - 89. Write isotopic symbols in the form for each...Ch. 4 - Write isotopic symbol in the form X-A (for...Ch. 4 - Write the symbol for each isotope in the form XZA....Ch. 4 - Write the symbol for each isotope in the form XZA....Ch. 4 - 93. Determine the number of protons and neutrons...Ch. 4 - Determine the number of protons and neutrons in...Ch. 4 - Carbon 14, present within living organisms and...Ch. 4 - Plutonium-239 is used in nuclear bombs. Determine...Ch. 4 - Rubidium has two naturally occurring isotopes:...Ch. 4 - 98. Silicon has three naturally occurring...Ch. 4 - Bromine has two naturally occurring isotopes...Ch. 4 - Silver has two naturally occurring isotopes...Ch. 4 - 101. An element has two naturally occurring...Ch. 4 - Copper has two naturally occurring isotopes. Cu-63...Ch. 4 - Electrical charge is sometimes reported in...Ch. 4 - 104. How many excess protons are in a charged...Ch. 4 - 105. The hydrogen atom contains 1 proton 1...Ch. 4 - 106. Carbon-12 contains 6 protons and 6 neutrons....Ch. 4 - Prepare a table like Table 4.2 for the four...Ch. 4 - 108. Determine the number of protons and neutrons...Ch. 4 - Fill in the blanks to complete the table. Symbol Z...Ch. 4 - 110. Fill in the blanks to complete the...Ch. 4 - Europium has two naturally occurring isotopes:...Ch. 4 - Rhenium has two naturally occurring isotopes:...Ch. 4 - Chapter 1 describes the difference between...Ch. 4 - 114. Chapter1 describes the difference between...Ch. 4 - The atomic mass of fluorine is 19. 00 amu, and all...Ch. 4 - 116. The atomic mass of germanium is 72.61 amu. Is...Ch. 4 - Prob. 117ECh. 4 - Gallium has only two naturally occurring isotopes,...Ch. 4 - 119. The figure shown here is a representation of...Ch. 4 - 120. Neutron stars are believed to be composed of...Ch. 4 - 121. Complete the following...Ch. 4 - Prob. 122QGWCh. 4 - Prob. 123QGWCh. 4 - Prob. 124QGWCh. 4 - 125. The graph at the right shows the atomic...
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- Nonearrow_forwardPart II. Given below are the 'H-NMR spectrum at 300 MHz in CDC13 and mass spectrum using electron ionization of compound Brian. The FTIR of the said compound showed a strong peak at 1710 cm"). Determine the following: (a) molecular Formula and Degree of unsaturation of compound Brian (b) Basing on the given H-NMR spectrum tabulate the following (i) chemical shifts (ii) integration, ciii) multiplicity and (iv) interferences made for each signal (c) Draw the structure of compound Brian. ) ΕΙ 43 41 27 71 114 (M+) Hmmm 20 30 40 50 60 70 80 90 100 110 120 1H NMR spectrum 300 MHz in CDCl3 2.0 alle 1.0arrow_forwardThe iron-iron carbide phase diagram. In the diagram, the letter L indicates that it is a liquid. Indicate what its components are. Temperature (°C) 1600 10 Composition (at% C) 15 25 1538°C -1493°C 8 1400 1200 1394°C y+L L 2500 1147°C y. Austenite 2.14 4.30 2000 1000 912°C y + Fe3C 800ㅏ 0.76 0.022 600 a, Ferrite a + Fe3C 400 0 (Fe) Composition (wt% C) 727°C 1500 Cementite (Fe3C) 1000 6 6.70 Temperature (°F)arrow_forward
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