If the given half reaction shows oxidation or reduction should be determined. Concept Introduction : In a chemical reaction , oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s. When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction. In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

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Answer 1

Question

Chapter 15.3, Problem 36PP

(a)

Interpretation Introduction

Interpretation:

If the given half reaction shows oxidation or reduction should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(b)

Interpretation Introduction

Interpretation:

The substance that oxidized or reduced should be identified.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(c)

Interpretation Introduction

Interpretation:

The electrode at which the given half reaction takes place should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

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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 15.3, Problem 36PP

(a)

Interpretation Introduction

Interpretation:

If the given half reaction shows oxidation or reduction should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(b)

Interpretation Introduction

Interpretation:

The substance that oxidized or reduced should be identified.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(c)

Interpretation Introduction

Interpretation:

The electrode at which the given half reaction takes place should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

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Answer 3

Question

Chapter 15.3, Problem 36PP

(a)

Interpretation Introduction

Interpretation:

If the given half reaction shows oxidation or reduction should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(b)

Interpretation Introduction

Interpretation:

The substance that oxidized or reduced should be identified.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(c)

Interpretation Introduction

Interpretation:

The electrode at which the given half reaction takes place should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

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Answer 4

Question

Chapter 15.3, Problem 36PP

(a)

Interpretation Introduction

Interpretation:

If the given half reaction shows oxidation or reduction should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(b)

Interpretation Introduction

Interpretation:

The substance that oxidized or reduced should be identified.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(c)

Interpretation Introduction

Interpretation:

The electrode at which the given half reaction takes place should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

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Answer 5

Chapter 15.3, Problem 36PP

(a)

Interpretation Introduction

Interpretation:

If the given half reaction shows oxidation or reduction should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(b)

Interpretation Introduction

Interpretation:

The substance that oxidized or reduced should be identified.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

(c)

Interpretation Introduction

Interpretation:

The electrode at which the given half reaction takes place should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

Answer 6

Chapter 15.3, Problem 36PP

(a)

Interpretation Introduction

Interpretation:

If the given half reaction shows oxidation or reduction should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

Answer 7

Chapter 15.3, Problem 36PP

(a)

Interpretation Introduction

Interpretation:

If the given half reaction shows oxidation or reduction should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The substance that oxidized or reduced should be identified.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The substance that oxidized or reduced should be identified.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The electrode at which the given half reaction takes place should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The electrode at which the given half reaction takes place should be determined.

Concept Introduction :

In a chemical reaction, oxidation is defined as loss of electron/s and reduction is defined as gain of electron/s.

When a species loss electron/s, its oxidation state increases thus, increase in oxidation state is oxidation similarly, when a species gains electron/s, its oxidation state decreases thus, decrease in oxidation state is reduction.

In a cell, the oxidation takes place at anode electrode and reduction takes place at cathode electrode.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 15.1 - Identify each of the following as an oxidation or...Ch. 15.1 - Identify each of the following as an oxidation or...Ch. 15.1 - Prob. 3PP Ch. 15.1 - Prob. 4PP Ch. 15.1 - Prob. 5PP Ch. 15.1 - Prob. 6PP Ch. 15.1 - Prob. 7PP Ch. 15.1 - Prob. 8PP Ch. 15.1 - Prob. 9PP Ch. 15.1 - Prob. 10PP

Solution Summary: The author explains that oxidation is defined as loss of electrons and reduction as gain. The half reaction in a lead storage battery is as follows.

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