The validation about the presence of a “head and two tails” structure in the given substance has to be predicted. Concept introduction: The “head and two tails” model gives the orientation of groups in space. It has two parts, the head which is polar and the two tails, which are non-polar. The polar part of the model is soluble in water, so it is hydrophilic in nature. The non-polar part of the model is insoluble in water, so it is hydrophobic in nature.
The validation about the presence of a “head and two tails” structure in the given substance has to be predicted. Concept introduction: The “head and two tails” model gives the orientation of groups in space. It has two parts, the head which is polar and the two tails, which are non-polar. The polar part of the model is soluble in water, so it is hydrophilic in nature. The non-polar part of the model is insoluble in water, so it is hydrophobic in nature.
Definition Definition Simplest organic compounds that contain only single bonds between carbon – carbon atoms and carbon – hydrogen bonds. This means they are a series of saturated compounds with a general molecular formula, C n H 2n+2 .
Chapter 19, Problem 19.156EP
(a)
Interpretation Introduction
Interpretation: The validation about the presence of a “head and two tails” structure in the given substance has to be predicted.
Concept introduction: The “head and two tails” model gives the orientation of groups in space. It has two parts, the head which is polar and the two tails, which are non-polar. The polar part of the model is soluble in water, so it is hydrophilic in nature. The non-polar part of the model is insoluble in water, so it is hydrophobic in nature.
(b)
Interpretation Introduction
Interpretation: The validation about the presence of a “head and two tails” structure in the given substance has to be predicted.
Concept introduction: The “head and two tails” model gives the orientation of groups in space. It has two parts, the head which is polar and the two tails, which are non-polar. The polar part of the model is soluble in water, so it is hydrophilic in nature. The non-polar part of the model is insoluble in water, so it is hydrophobic in nature.
(c)
Interpretation Introduction
Interpretation: The validation about the presence of a “head and two tails” structure in the given substance has to be predicted.
Concept introduction: The “head and two tails” model gives the orientation of groups in space. It has two parts, the head which is polar and the two tails, which are non-polar. The polar part of the model is soluble in water, so it is hydrophilic in nature. The non-polar part of the model is insoluble in water, so it is hydrophobic in nature.
(d)
Interpretation Introduction
Interpretation: The validation about the presence of a “head and two tails” structure in the given substance has to be predicted.
Concept introduction: The “head and two tails” model gives the orientation of groups in space. It has two parts, the head which is polar and the two tails, which are non-polar. The polar part of the model is soluble in water, so it is hydrophilic in nature. The non-polar part of the model is insoluble in water, so it is hydrophobic in nature.
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
80
70
-26
60
50
40
46
30
20
115
10
1.0 0.9 0.8
0
-10
Chapter 19 Solutions
General, Organic, and Biological Chemistry Seventh Edition
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