CHEMISTRY-MASTERINGCHEMISTRY W/ETEXT
8th Edition
ISBN: 9780135204634
Author: Robinson
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 17.68SP
Calculate the pH of a buffer solution prepared by dissolving 4.2 g of and 5.3 g of
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Students have asked these similar questions
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 17 Solutions
CHEMISTRY-MASTERINGCHEMISTRY W/ETEXT
Ch. 17 - Write a balanced net ionic equation for the...Ch. 17 - APPLY 16.2 Write balanced net ionic equations for...Ch. 17 - PRACTICE 16.3 Calculate the concentrations of all...Ch. 17 - APPLY 16.4 Calculate the pH of a solution prepared...Ch. 17 - Conceptual PRACTICE 16.5 The following pictures...Ch. 17 - Conceptual APPLY 16.6 The following pictures...Ch. 17 - Calculate the pH of 0.100 1 of a buffer solution...Ch. 17 - Calculate the change in pH when 0.002 mol of HNO3...Ch. 17 - PRACTICE 16.10 Use the Henderson-Hasselbalch...Ch. 17 - APPLY 16.11 The of the amine group of the amino...
Ch. 17 - PRACTICE 16.12 How would you prepare anbuffer...Ch. 17 - APPLY 16.13 Suppose you are performing an...Ch. 17 - A 40.0 mL volume of 0.100 M HCl is titrated with...Ch. 17 - APPLY 16.15 A 40.0 mL volume of 0.100 M NaOH is...Ch. 17 - What is the pH at the equivalence point in the...Ch. 17 - The following pictures represent solutions at...Ch. 17 - Assume that 40.0 mL of 0.0800...Ch. 17 - Assume that 40.0 mL of a 0.0250 M solution of the...Ch. 17 - Write the equilibrium-constant expression for...Ch. 17 - The following pictures represent solutions of...Ch. 17 - Prob. 17.21PCh. 17 - Ca2, which causes clotting, is removed from...Ch. 17 - What is the molar solubility of Ag2CrO4 in water...Ch. 17 - Prior to having an X-ray exam of the upper...Ch. 17 - Calculate the molar solubility of MgF2 , in...Ch. 17 - Calculate the molar solubility of Zn(OH)2 , in a...Ch. 17 - In an excess of NH3(aq),Cu2+ ion forms a deep blue...Ch. 17 - Cyanide ion is used in gold mining because it...Ch. 17 - Prob. 17.29PCh. 17 - Prob. 17.30ACh. 17 - Prob. 17.31PCh. 17 - Will a precipitate form on mixing 25 m1 of...Ch. 17 - Prob. 17.33PCh. 17 - Prob. 17.34PCh. 17 - HCO3 And CO32 are the primary ions in the ocean...Ch. 17 - Coral and the shells of marine organisms are made...Ch. 17 - The following reactions represent the dissolution...Ch. 17 - Prob. 17.38CPCh. 17 - The following pictures represent initial...Ch. 17 - Prob. 17.40CPCh. 17 - The following plot shows two pH titration curves,...Ch. 17 - Prob. 17.42CPCh. 17 - The following pictures represent solutions at...Ch. 17 - Prob. 17.44CPCh. 17 - Prob. 17.45CPCh. 17 - Prob. 17.46CPCh. 17 - 16.50 Is the pH greater than, equal to, or less...Ch. 17 - Is the pH greater than, equal to, or less than 7...Ch. 17 - Prob. 17.49SPCh. 17 - Prob. 17.50SPCh. 17 - Prob. 17.51SPCh. 17 - Prob. 17.52SPCh. 17 - 16.56 The equilibrium constant for the...Ch. 17 - 16.57 The equilibrium constant for the...Ch. 17 - 16.58 Does the pH increase, decrease, or remain...Ch. 17 - 16.59 Does the pH increase, decrease, or remain...Ch. 17 - 16.60 Calculate the pH of a solution that is 0.25...Ch. 17 - Prob. 17.58SPCh. 17 - Prob. 17.59SPCh. 17 - The pH of a solution of NH3 and NH4Br is 8.90....Ch. 17 - Prob. 17.61SPCh. 17 - Prob. 17.62SPCh. 17 - Prob. 17.63SPCh. 17 - Which of the following gives a buffer solution...Ch. 17 - Prob. 17.65SPCh. 17 - Prob. 17.66SPCh. 17 - Prob. 17.67SPCh. 17 - Calculate the pH of a buffer solution prepared by...Ch. 17 - Prob. 17.69SPCh. 17 - Calculate the pH of 0.375 L of a 0.18 M acetic...Ch. 17 - Prob. 17.71SPCh. 17 - A food chemist studying the formation of lactic...Ch. 17 - Prob. 17.73SPCh. 17 - Prob. 17.74SPCh. 17 - Prob. 17.75SPCh. 17 - Give a recipe for preparing a CH3CO2HCH3C02NA Na...Ch. 17 - Prob. 17.77SPCh. 17 - Prob. 17.78SPCh. 17 - Consider a buffer solution that contains equal...Ch. 17 - Calculate the concentrations of NH4+ and NH3 and...Ch. 17 - Prob. 17.81SPCh. 17 - Make a rough plot of pH versus milliliters of acid...Ch. 17 - Prob. 17.83SPCh. 17 - Consider the titration of 50.0 mL of 0.116 M NaOH...Ch. 17 - Prob. 17.85SPCh. 17 - Consider the titration of 25.0 mL of 0.200 MHCO2H...Ch. 17 - On the same graph, sketch pH titration curves for...Ch. 17 - Prob. 17.88SPCh. 17 - A 100.0 mL sample of 0.100 M methylamine (...Ch. 17 - A 50.0 mL sample of 0.250 M ammonia (...Ch. 17 - Prob. 17.91SPCh. 17 - Prob. 17.92SPCh. 17 - Prob. 17.93SPCh. 17 - What is the pH at the equivalence point for the...Ch. 17 - Consider the titration of 50.0 mL of a 0.100 M...Ch. 17 - Prob. 17.96SPCh. 17 - Prob. 17.97SPCh. 17 - The titration of 0.02500 L of a diprotic acid...Ch. 17 - Prob. 17.99SPCh. 17 - Prob. 17.100SPCh. 17 - Prob. 17.101SPCh. 17 - Prob. 17.102SPCh. 17 - Prob. 17.103SPCh. 17 - Prob. 17.104SPCh. 17 - Prob. 17.105SPCh. 17 - Use the following solubility data to calculate a...Ch. 17 - Prob. 17.107SPCh. 17 - Prob. 17.108SPCh. 17 - Prob. 17.109SPCh. 17 - Prob. 17.110SPCh. 17 - Prob. 17.111SPCh. 17 - Prob. 17.112SPCh. 17 - Which of the following compounds are more soluble...Ch. 17 - Prob. 17.114SPCh. 17 - Consider saturated solutions of the slightly...Ch. 17 - Prob. 17.116SPCh. 17 - Is the solubility of Zn(OH)2 , increased,...Ch. 17 - Is the solubility of Fe(OH)3 increased, decreased,...Ch. 17 - Prob. 17.119SPCh. 17 - Prob. 17.120SPCh. 17 - Prob. 17.121SPCh. 17 - Prob. 17.122SPCh. 17 - Prob. 17.123SPCh. 17 - Calculate the molar solubility of Cr(OH)3 in 0.50...Ch. 17 - Zinc hydroxide, Zn(OH)2 = (kSP=4.11017) , is...Ch. 17 - Prob. 17.126SPCh. 17 - Prob. 17.127SPCh. 17 - “Hard” water contains alkaline earth cations such...Ch. 17 - Prob. 17.129SPCh. 17 - Prob. 17.130SPCh. 17 - Prob. 17.131SPCh. 17 - Prob. 17.132SPCh. 17 - Prob. 17.133SPCh. 17 - Prob. 17.134SPCh. 17 - Prob. 17.135SPCh. 17 - Using the qualitative analysis flowchart in Figure...Ch. 17 - Give a method for separating the following pairs...Ch. 17 - Prob. 17.138SPCh. 17 - Prob. 17.139SPCh. 17 - Prob. 17.140MPCh. 17 - Calculate the molar solubility of MnS in a 0.30 M...Ch. 17 - Prob. 17.142MPCh. 17 - A 100.0 mL sample of a solution that is 0.100 M in...Ch. 17 - A 0.0100mol sample of solid Cd(OH)2(Ksp=5.31015)...Ch. 17 - One type of kidney stone is a precipitate of...Ch. 17 - Prob. 17.146MPCh. 17 - Ethylenediamine ( NH2CH2CH2NH2 , abbreviated en)...Ch. 17 - A 40.0 mL sample of a mixture of HCI and H3PO4 was...Ch. 17 - A 1.000 L sample of HCI gas at 25 °C and 732.0 mm...Ch. 17 - Prob. 17.150MPCh. 17 - Consider the reaction that occurs on mixing 50.0...Ch. 17 - In qualitative analysis, Ca2+ and Ba2+ are...Ch. 17 - A railroad tank car derails and spills 36 tons of...Ch. 17 - Some progressive hair coloring products marketed...
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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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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY