Using the given graph, the relative half-lives of the nuclides need to be explained Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

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Answer 1

Question

Chapter 20, Problem 62AE

(a)

Interpretation Introduction

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

(b)

Interpretation Introduction

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

(c)

Interpretation Introduction

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

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(a 4 shows scanning electron microscope (SEM) images of extruded actions of packing bed for two capillary columns of different diameters, al 750 (bottom image) and b) 30-μm-i.d. Both columns are packed with the same stationary phase, spherical particles with 1-um diameter. A) When the columns were prepared, the figure shows that the column with the larger diameter has more packing irregularities. Explain this observation. B) Predict what affect this should have on band broadening and discuss your prediction using the van Deemter terms. C) Does this figure support your explanations in application question 33? Explain why or why not and make any changes in your answers in light of this figure. Figure 4 SEM images of sections of packed columns for a) 750 and b) 30-um-i.d. capillary columns.³

fcrip = ↓ bandwidth Il temp 32. What impact (increase, decrease, or no change) does each of the following conditions have on the individual components of the van Deemter equation and consequently, band broadening? Increase temperature Longer column Using a gas mobile phase instead of liquid Smaller particle stationary phase Multiple Paths Diffusion Mass Transfer

34. Figure 3 shows Van Deemter plots for a solute molecule using different column inner diameters (i.d.). A) Predict whether decreasing the column inner diameters increase or decrease bandwidth. B) Predict which van Deemter equation coefficient (A, B, or C) has the greatest effect on increasing or decreasing bandwidth as a function of i.d. and justify your answer. Figure 3 Van Deemter plots for hydroquinone using different column inner diameters (i.d. in μm). The data was obtained from liquid chromatography experiments using fused-silica capillary columns packed with 1.0-μm particles. 35 20 H(um) 큰 20 15 90 0+ 1500 100 75 550 01 02 594 05 μ(cm/sec) 30 15 10

Answer 2

Question

Chapter 20, Problem 62AE

(a)

Interpretation Introduction

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

(b)

Interpretation Introduction

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

(c)

Interpretation Introduction

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

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Answer 3

Question

Chapter 20, Problem 62AE

(a)

Interpretation Introduction

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

(b)

Interpretation Introduction

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

(c)

Interpretation Introduction

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

Expert Solution & Answer

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Answer 4

Question

Chapter 20, Problem 62AE

(a)

Interpretation Introduction

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

(b)

Interpretation Introduction

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

(c)

Interpretation Introduction

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

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Answer 5

Chapter 20, Problem 62AE

(a)

Interpretation Introduction

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

(b)

Interpretation Introduction

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

(c)

Interpretation Introduction

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

Answer 6

Chapter 20, Problem 62AE

(a)

Interpretation Introduction

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

Answer 7

Chapter 20, Problem 62AE

(a)

Interpretation Introduction

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

Answer 8

(b)

Interpretation Introduction

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

Answer 9

(b)

Interpretation Introduction

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

Answer 10

(c)

Interpretation Introduction

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

Answer 11

(c)

Interpretation Introduction

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 20 - Prob. 1E Ch. 20 - Prob. 2E Ch. 20 - Prob. 3E Ch. 20 - Prob. 4E Ch. 20 - Prob. 5E Ch. 20 - Prob. 6E Ch. 20 - Prob. 7E Ch. 20 - Prob. 8E Ch. 20 - Prob. 9E Ch. 20 - Prob. 10E

Using the given graph, the relative half-lives of the nuclides need to be explained Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

Solution Summary: The author explains the relative half-lives of the nuclides, stating that the most and the least thermodynamically stable ones need to be identified.

Concept explainers

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

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Chapter 20 Solutions

Using the given graph, the relative half-lives of the nuclides need to be explained Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

Solution Summary: The author explains the relative half-lives of the nuclides, stating that the most and the least thermodynamically stable ones need to be identified.

Concept explainers

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified. Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained. Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.

Want to see the full answer?

Chapter 20 Solutions

Interpretation: Using the given graph, the relative half-lives of the nuclides need to be explained

Concept Introduction: An atomic species which is characterized by the specific constitution of its number of protons, neutrons and the energy state of its nucleus is called a nuclide.

Interpretation: The most and the least thermodynamically stable nuclide needs to be identified.

Concept Introduction: In nature there are around 252 nuclides that has been found as never decaying.

Interpretation: The nuclide that undergoes fusion and fission reaction to become more stable is to be explained.

Concept Introduction: The medium sized nuclides are considered to be thermodynamically more stable.