GENERAL CHEMISTRY-MOD.MASTERINGCHEM.
11th Edition
ISBN: 9780134193601
Author: Petrucci
Publisher: PEARSON
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Chapter 14, Problem 40E
Interpretation Introduction
Interpretation:
The temperature at which the saturated aqueous solution of KClO4 is 0.200 m needs to be determined.
Concept introduction:
The molality of a given solution refers to the number of moles of solute present in one kilogram of the solvent. It is denoted by the symbol ‘m’. Here, the number of moles refers to the ratio of mass of the solute to its molar mass.
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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 14 Solutions
GENERAL CHEMISTRY-MOD.MASTERINGCHEM.
Ch. 14 - Which of the following do you expect to be most...Ch. 14 - Which of the following is moderately soluble both...Ch. 14 - Substances that dissolve in water generally do not...Ch. 14 - Prob. 4ECh. 14 - Two of the substances listed here highly soluble...Ch. 14 - Benzoic acid, C8H8COOH, is much more soluble in...Ch. 14 - Prob. 7ECh. 14 - Explain the observation that all metal nitrates...Ch. 14 - A saturated aqueous solution of NaBr at 20C...Ch. 14 - Prob. 10E
Ch. 14 - Prob. 11ECh. 14 - You are asked to prepare 125.0 mL of 0.0321 M...Ch. 14 - Prob. 13ECh. 14 - Prob. 14ECh. 14 - Prob. 15ECh. 14 - Prob. 16ECh. 14 - The sulfate ion level in a municipal water supply...Ch. 14 - A water sample is found to have 9.4 ppb of...Ch. 14 - Prob. 19ECh. 14 - Prob. 20ECh. 14 - How many milliliters at the ethanol-water solution...Ch. 14 - Prob. 22ECh. 14 - What is the molarity of CO2 in liter ocean water...Ch. 14 - Prob. 24ECh. 14 - Prob. 25ECh. 14 - Prob. 26ECh. 14 - How many grams of iodine, l2 , must be dissolved...Ch. 14 - How many grams of water would you add to 1.00 kg...Ch. 14 - Prob. 29ECh. 14 - A 10.00%-by-man solution of ethanol, CH2CH2OH , in...Ch. 14 - Prob. 31ECh. 14 - Prob. 32ECh. 14 - Prob. 33ECh. 14 - Prob. 34ECh. 14 - What volume of glycerol,...Ch. 14 - Prob. 36ECh. 14 - Prob. 37ECh. 14 - The amount of CO2 in the ocean is approximately...Ch. 14 - Prob. 39ECh. 14 - Prob. 40ECh. 14 - Prob. 41ECh. 14 - Prob. 42ECh. 14 - Under an O2(g) pressure of 1.00 atm, 28.31mL of...Ch. 14 - Prob. 44ECh. 14 - Natural gas consists about 90% methane, CM. Assume...Ch. 14 - At 1.00 atm, the solubility of O2 in water is...Ch. 14 - The aqueous solubility at 20C of Ar at 1.00 atm...Ch. 14 - Prob. 48ECh. 14 - Prob. 49ECh. 14 - Prob. 50ECh. 14 - What are the partial and total vapor pressures of...Ch. 14 - Prob. 52ECh. 14 - Calculate the vapor pressure at 25C of a solution...Ch. 14 - Calculate the vapor pressure at 20C of a saturated...Ch. 14 - Styrene, used in the manufacture of polystyrene...Ch. 14 - Prob. 56ECh. 14 - A benzene-toluene solution with banz=0.300 has a...Ch. 14 - Prob. 58ECh. 14 - Prob. 59ECh. 14 - Prob. 60ECh. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - Prob. 63ECh. 14 - Prob. 64ECh. 14 - Prob. 65ECh. 14 - Use the concentration of an istonic solution,...Ch. 14 - Prob. 67ECh. 14 - The two solutions pictured here are separated by a...Ch. 14 - of an unknown compound reduces e freezing point of...Ch. 14 - Prob. 70ECh. 14 - Prob. 71ECh. 14 - Prob. 72ECh. 14 - A compound is 42.9% C, 2.4% H, 16.7%N, and 38.1%...Ch. 14 - Nicotinamide is a water-soluble vitamin important...Ch. 14 - Prob. 75ECh. 14 - Coniferin is glycoside (a derivative of a sugar)...Ch. 14 - Cooks often add some salt to water before boding...Ch. 14 - An important test for the purity of an organic...Ch. 14 - Prob. 79ECh. 14 - If ocean water consisted of 3.5% salt, what would...Ch. 14 - Predict the approximate freezing points of 0.10m...Ch. 14 - Calculate the van’t Hoff factors of the following...Ch. 14 - NH2(aq) conducts electric current only weakly. The...Ch. 14 - Prob. 84ECh. 14 - Prob. 85ECh. 14 - Prob. 86ECh. 14 - Prob. 87IAECh. 14 - Prob. 88IAECh. 14 - Prob. 89IAECh. 14 - Prob. 90IAECh. 14 - A solid mixture consists of 85.0% KNO2 and 15.0%...Ch. 14 - Suppose you have available 2.50 L of a solution (d...Ch. 14 - Prob. 93IAECh. 14 - Prob. 94IAECh. 14 - Prob. 95IAECh. 14 - Nitrobenzene, C6H2NO2 , and benzene, C6H8 , are...Ch. 14 - Prob. 97IAECh. 14 - Prob. 98IAECh. 14 - Prob. 99IAECh. 14 - Suppose that I 00mg of gold obtained in a...Ch. 14 - At 20C , liquid benzene has a density of...Ch. 14 - The two compounds whose structures are depicted...Ch. 14 - Prob. 103IAECh. 14 - Prob. 104IAECh. 14 - Prob. 105IAECh. 14 - We noted m Figure 14-17 that the liquid and vapor...Ch. 14 - A saturated solution prepared at 70C contains...Ch. 14 - Prob. 108IAECh. 14 - Prob. 109IAECh. 14 - Prob. 110IAECh. 14 - Prob. 111IAECh. 14 - Prob. 112IAECh. 14 - Prob. 113FPCh. 14 - The phase diagram shown is for mixtures of HCI and...Ch. 14 - The laboratory device pictured on the following...Ch. 14 - Prob. 116FPCh. 14 - Prob. 117SAECh. 14 - Briefly describe each of the following ides or...Ch. 14 - Explain the important distinctions between each...Ch. 14 - Prob. 120SAECh. 14 - Prob. 121SAECh. 14 - Prob. 122SAECh. 14 - Prob. 123SAECh. 14 - An ideal liquid solution has two volatile...Ch. 14 - Prob. 125SAECh. 14 - Prob. 126SAECh. 14 - A solution (d=1.159g/mL) is 62.0% glycerol,...Ch. 14 - Prob. 128SAECh. 14 - Prob. 129SAECh. 14 - Prob. 130SAECh. 14 - Prob. 131SAECh. 14 - Prob. 132SAECh. 14 - Prob. 133SAECh. 14 - What is the mole fractions of a monvolatile solute...Ch. 14 - What is the osmotic pressure, in bar, of 15.2L of...Ch. 14 - What is the weight percent of 23.4 g of CaF2 if...Ch. 14 - Prob. 137SAECh. 14 - Prob. 138SAE
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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