The entropy changes in the given set of reactions have to be predicted to be positive or negative with explanation. Concept Introduction: Entropy is a thermodynamic quantity, which is the measure of randomness in a system. The term entropy is useful in explaining the spontaneity of a process. For all spontaneous process in an isolated system there will be an increase in entropy. Entropy is represented by the letter ‘S’. It is a state function. The change in entropy gives information about the magnitude and direction of a process. During a phase transition, if the solid state is changed to liquid state or gaseous state there will be an in increase in entropy in the system. The solid state is having more orderly arrangement than the liquid and gaseous state. Gaseous state having more possible arrangements of atoms will have the highest order of entropy.
The entropy changes in the given set of reactions have to be predicted to be positive or negative with explanation. Concept Introduction: Entropy is a thermodynamic quantity, which is the measure of randomness in a system. The term entropy is useful in explaining the spontaneity of a process. For all spontaneous process in an isolated system there will be an increase in entropy. Entropy is represented by the letter ‘S’. It is a state function. The change in entropy gives information about the magnitude and direction of a process. During a phase transition, if the solid state is changed to liquid state or gaseous state there will be an in increase in entropy in the system. The solid state is having more orderly arrangement than the liquid and gaseous state. Gaseous state having more possible arrangements of atoms will have the highest order of entropy.
Solution Summary: The author explains that entropy is a thermodynamic quantity, which is the measure of randomness in the system.
Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.
Chapter 17, Problem 17.14QP
(a)
Interpretation Introduction
Interpretation: The entropy changes in the given set of reactions have to be predicted to be positive or negative with explanation.
Concept Introduction: Entropy is a thermodynamic quantity, which is the measure of randomness in a system. The term entropy is useful in explaining the spontaneity of a process. For all spontaneous process in an isolated system there will be an increase in entropy. Entropy is represented by the letter ‘S’. It is a state function. The change in entropy gives information about the magnitude and direction of a process. During a phase transition, if the solid state is changed to liquid state or gaseous state there will be an in increase in entropy in the system. The solid state is having more orderly arrangement than the liquid and gaseous state. Gaseous state having more possible arrangements of atoms will have the highest order of entropy.
(b)
Interpretation Introduction
Interpretation: The entropy changes in the given set of reactions have to be predicted to be positive or negative with explanation.
Concept Introduction: Entropy is a thermodynamic quantity, which is the measure of randomness in a system. The term entropy is useful in explaining the spontaneity of a process. For all spontaneous process in an isolated system there will be an increase in entropy. Entropy is represented by the letter ‘S’. It is a state function. The change in entropy gives information about the magnitude and direction of a process. During a phase transition, if the solid state is changed to liquid state or gaseous state there will be an in increase in entropy in the system. The solid state is having more orderly arrangement than the liquid and gaseous state. Gaseous state having more possible arrangements of atoms will have the highest order of entropy.
(c)
Interpretation Introduction
Interpretation: The entropy changes in the given set of reactions have to be predicted to be positive or negative with explanation.
Concept Introduction: Entropy is a thermodynamic quantity, which is the measure of randomness in a system. The term entropy is useful in explaining the spontaneity of a process. For all spontaneous process in an isolated system there will be an increase in entropy. Entropy is represented by the letter ‘S’. It is a state function. The change in entropy gives information about the magnitude and direction of a process. During a phase transition, if the solid state is changed to liquid state or gaseous state there will be an in increase in entropy in the system. The solid state is having more orderly arrangement than the liquid and gaseous state. Gaseous state having more possible arrangements of atoms will have the highest order of entropy.
(d)
Interpretation Introduction
Interpretation: The entropy changes in the given set of reactions have to be predicted to be positive or negative with explanation.
Concept Introduction: Entropy is a thermodynamic quantity, which is the measure of randomness in a system. The term entropy is useful in explaining the spontaneity of a process. For all spontaneous process in an isolated system there will be an increase in entropy. Entropy is represented by the letter ‘S’. It is a state function. The change in entropy gives information about the magnitude and direction of a process. During a phase transition, if the solid state is changed to liquid state or gaseous state there will be an in increase in entropy in the system. The solid state is having more orderly arrangement than the liquid and gaseous state. Gaseous state having more possible arrangements of atoms will have the highest order of entropy.
3.
a.
Use the MS to propose at least two possible molecular formulas.
For an unknown compound:
101.
27.0
29.0
41.0
50.0
52.0
55.0
57.0
100
57.5
58.0
58.5
62.0
63.0
64.0
65.0
74.0
40
75.0
76.0
20
20
40
60
80
100
120
140
160
180
200 220
m/z
99.5
68564810898409581251883040
115.0
116.0
77404799
17417M
117.0
12.9
118.0
33.5
119.0
36
133 0
1.2
157.0
2.1
159.0
16
169.0
219
170.0
17
171.0
21.6
172.0
17
181.0
1.3
183.0
197.0
100.0
198.0
200.
784
Relative Intensity
2
2
8
ō (ppm)
6
2
Solve the structure and assign each of the following spectra (IR and C-NMR)
1.
For an unknown compound with a molecular formula of C8H100:
a.
What is the DU? (show your work)
b.
Solve the structure and assign each of the following spectra.
8
6
2
ō (ppm)
4
2
0
200
150
100
50
ō (ppm)
LOD
D
4000
3000
2000
1500
1000
500
HAVENUMBERI -11
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The Laws of Thermodynamics, Entropy, and Gibbs Free Energy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=8N1BxHgsoOw;License: Standard YouTube License, CC-BY