Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 3PS
In the discussion on the composition of air, mention is made of the fact that water vapor may have a concentration as high as 40,000 ppm. Calculate the partial pressure exerted by water vapor at this concentration. Assume that this represents a situation with 100% humidity. What temperature would be needed to achieve this value? (See Appendix G.)
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יווי
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3.5
3
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2H2S(g)+3O2(g)→2SO2(g)+2H2O(g)
A 1.2mol sample of H2S(g) is combined with excess O2(g), and the reaction goes to completion.
Question
Which of the following predicts the theoretical yield of SO2(g) from the reaction?
Responses
1.2 g
Answer A: 1.2 grams
A
41 g
Answer B: 41 grams
B
77 g
Answer C: 77 grams
C
154 g
Answer D: 154 grams
D
Part VII. Below are the 'HNMR, 13 C-NMR, COSY 2D- NMR, and HSQC 2D-NMR (similar with HETCOR but axes are reversed) spectra of an
organic compound with molecular formula C6H1003 - Assign chemical shift values to the H and c atoms of the
compound. Find the structure. Show complete solutions.
Predicted 1H NMR Spectrum
4.7 4.6 4.5 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 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 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1
f1 (ppm)
Predicted 13C NMR Spectrum
100
f1 (ppm)
30
220 210 200 190 180
170
160 150 140 130 120
110
90
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-26
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46
30
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115
10
1.0 0.9 0.8
0
-10
Chapter 20 Solutions
Chemistry & Chemical Reactivity
Ch. 20.7 - Prob. 1.1ACPCh. 20.7 - Prob. 1.2ACPCh. 20.7 - Prob. 1.3ACPCh. 20.7 - Prob. 1.4ACPCh. 20.7 - Prob. 1.5ACPCh. 20.7 - Assume that a sample of hard water contains 50....Ch. 20.7 - One way to remove the calcium carbonate residue in...Ch. 20 - Prob. 1PSCh. 20 - Prob. 2PSCh. 20 - In the discussion on the composition of air,...
Ch. 20 - Prob. 4PSCh. 20 - Prob. 5PSCh. 20 - Prob. 6PSCh. 20 - Prob. 7PSCh. 20 - Prob. 8PSCh. 20 - Prob. 11PSCh. 20 - Although there are a number of...Ch. 20 - Prob. 14PSCh. 20 - Prob. 15PSCh. 20 - Prob. 16PSCh. 20 - Which of the following is a renewable energy...Ch. 20 - Prob. 18PSCh. 20 - Prob. 19PSCh. 20 - Prob. 21PSCh. 20 - The enthalpy of combustion of isooctane (C8H18),...Ch. 20 - Energy consumption in the United States amounts to...Ch. 20 - Prob. 24PSCh. 20 - Prob. 25PSCh. 20 - Prob. 27PSCh. 20 - Prob. 30PSCh. 20 - In methane hydrate the methane molecule is trapped...Ch. 20 - Prob. 32PSCh. 20 - Prob. 33PSCh. 20 - Prob. 34PSCh. 20 - Prob. 35PSCh. 20 - Prob. 36PSCh. 20 - Prob. 37PSCh. 20 - Prob. 38PSCh. 20 - Dinitrogen monoxide, N2O (commonly called nitrous...Ch. 20 - Prob. 40PSCh. 20 - Prob. 41PSCh. 20 - Prob. 42PSCh. 20 - Prob. 43GQCh. 20 - Prob. 44GQCh. 20 - Prob. 45GQCh. 20 - Prob. 46GQCh. 20 - Prob. 47GQCh. 20 - Prob. 48GQCh. 20 - Prob. 49ILCh. 20 - Prob. 50ILCh. 20 - Define the terms renewable and nonrenewable as...Ch. 20 - Prob. 52SCQCh. 20 - Prob. 53SCQCh. 20 - Prob. 54SCQCh. 20 - Prob. 55SCQCh. 20 - What is the likelihood that hydrogen (H2) will...Ch. 20 - Prob. 57SCQCh. 20 - Which sulfur compounds are atmospheric pollutants?...
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- Nonearrow_forward4. Draw and label all possible isomers for [M(py)3(DMSO)2(CI)] (py = pyridine, DMSO dimethylsulfoxide).arrow_forwardThe 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…arrow_forward
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