The number of elementary reactions involved in the given reaction.

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Answer 1

Question

Chapter 14, Problem 70E

(a)

Interpretation Introduction

To determine: The number of elementary reactions involved in the given reaction.

(b)

Interpretation Introduction

To determine: The number of intermediates in the given energy profile diagram.

(c)

Interpretation Introduction

To determine: The rate limiting step in the given reaction profile.

(d)

Interpretation Introduction

To determine: The overall change in enthalpy of the reaction is positive, negative or zero.

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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 14, Problem 70E

(a)

Interpretation Introduction

To determine: The number of elementary reactions involved in the given reaction.

(b)

Interpretation Introduction

To determine: The number of intermediates in the given energy profile diagram.

(c)

Interpretation Introduction

To determine: The rate limiting step in the given reaction profile.

(d)

Interpretation Introduction

To determine: The overall change in enthalpy of the reaction is positive, negative or zero.

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Answer 3

Question

Chapter 14, Problem 70E

(a)

Interpretation Introduction

To determine: The number of elementary reactions involved in the given reaction.

(b)

Interpretation Introduction

To determine: The number of intermediates in the given energy profile diagram.

(c)

Interpretation Introduction

To determine: The rate limiting step in the given reaction profile.

(d)

Interpretation Introduction

To determine: The overall change in enthalpy of the reaction is positive, negative or zero.

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Answer 4

Question

Chapter 14, Problem 70E

(a)

Interpretation Introduction

To determine: The number of elementary reactions involved in the given reaction.

(b)

Interpretation Introduction

To determine: The number of intermediates in the given energy profile diagram.

(c)

Interpretation Introduction

To determine: The rate limiting step in the given reaction profile.

(d)

Interpretation Introduction

To determine: The overall change in enthalpy of the reaction is positive, negative or zero.

Expert Solution & Answer

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Answer 5

Chapter 14, Problem 70E

(a)

Interpretation Introduction

To determine: The number of elementary reactions involved in the given reaction.

(b)

Interpretation Introduction

To determine: The number of intermediates in the given energy profile diagram.

(c)

Interpretation Introduction

To determine: The rate limiting step in the given reaction profile.

(d)

Interpretation Introduction

To determine: The overall change in enthalpy of the reaction is positive, negative or zero.

Answer 6

Chapter 14, Problem 70E

(a)

Interpretation Introduction

To determine: The number of elementary reactions involved in the given reaction.

Answer 7

Chapter 14, Problem 70E

(a)

Interpretation Introduction

To determine: The number of elementary reactions involved in the given reaction.

Answer 8

(b)

Interpretation Introduction

To determine: The number of intermediates in the given energy profile diagram.

Answer 9

(b)

Interpretation Introduction

To determine: The number of intermediates in the given energy profile diagram.

Answer 10

(c)

Interpretation Introduction

To determine: The rate limiting step in the given reaction profile.

Answer 11

(c)

Interpretation Introduction

To determine: The rate limiting step in the given reaction profile.

Answer 12

(d)

Interpretation Introduction

To determine: The overall change in enthalpy of the reaction is positive, negative or zero.

Answer 13

(d)

Interpretation Introduction

To determine: The overall change in enthalpy of the reaction is positive, negative or zero.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 14.2 - If the experiment in Figure 14.2 is run for 60 s,...Ch. 14.2 - Prob. 14.1.2PE Ch. 14.2 - Which of the following could be the instantaneous...Ch. 14.2 - Using Figure 14.3, determine the instantaneous...Ch. 14.2 - At a certain time in a reaction, substance A is...Ch. 14.2 - Prob. 14.3.2PE Ch. 14.3 - Suppose the rate law for the reaction in this...Ch. 14.3 - Assuming that rate = k[A][B], rank the mixtures...Ch. 14.3 - Prob. 14.5.1PE Ch. 14.3 - Prob. 14.5.2PE

The number of elementary reactions involved in the given reaction.

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To determine: The number of elementary reactions involved in the given reaction.

To determine: The number of intermediates in the given energy profile diagram.

To determine: The rate limiting step in the given reaction profile.

To determine: The overall change in enthalpy of the reaction is positive, negative or zero.

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Chapter 14 Solutions