The Lewis structure of hydride ion and sodium hydride has to be drawn. Also, the consistency of high melting point with Lewis structure has to be explained. Concept Introduction: Lewis structure: This is the only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond. This is often called Lewis structure. This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

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Answer 1

Question

Chapter 4, Problem 4.43AP

(a)

Interpretation Introduction

Interpretation:

The Lewis structure of hydride ion and sodium hydride has to be drawn. Also, the consistency of high melting point with Lewis structure has to be explained.

Concept Introduction:

Lewis structure: This is the only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond. This is often called Lewis structure. This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

(b)

Interpretation Introduction

Interpretation:

The gas evolved when sodium hydride is added slowly to water has to be identified. Also, the reason for basic nature of the resulting solution has to be given.

Concept Introduction:

Position of equilibrium in acid-base reaction:

In an acid-base reaction, the position of equilibrium always favors reaction of the stronger acid and stronger base to form the weaker acid and weaker base. Therefore, the major species present at equilibrium in an acid-base reaction are weaker acid and weaker base. The reaction equilibrium shifts to a direction where weaker acid and weaker base is formed. Acids with greater pKa values are weak acids and base with greater pKb values are weaker base.

(c)

Interpretation Introduction

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

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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 4, Problem 4.43AP

(a)

Interpretation Introduction

Interpretation:

The Lewis structure of hydride ion and sodium hydride has to be drawn. Also, the consistency of high melting point with Lewis structure has to be explained.

Concept Introduction:

Lewis structure: This is the only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond. This is often called Lewis structure. This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

(b)

Interpretation Introduction

Interpretation:

The gas evolved when sodium hydride is added slowly to water has to be identified. Also, the reason for basic nature of the resulting solution has to be given.

Concept Introduction:

Position of equilibrium in acid-base reaction:

In an acid-base reaction, the position of equilibrium always favors reaction of the stronger acid and stronger base to form the weaker acid and weaker base. Therefore, the major species present at equilibrium in an acid-base reaction are weaker acid and weaker base. The reaction equilibrium shifts to a direction where weaker acid and weaker base is formed. Acids with greater pKa values are weak acids and base with greater pKb values are weaker base.

(c)

Interpretation Introduction

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 4, Problem 4.43AP

(a)

Interpretation Introduction

Interpretation:

The Lewis structure of hydride ion and sodium hydride has to be drawn. Also, the consistency of high melting point with Lewis structure has to be explained.

Concept Introduction:

Lewis structure: This is the only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond. This is often called Lewis structure. This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

(b)

Interpretation Introduction

Interpretation:

The gas evolved when sodium hydride is added slowly to water has to be identified. Also, the reason for basic nature of the resulting solution has to be given.

Concept Introduction:

Position of equilibrium in acid-base reaction:

In an acid-base reaction, the position of equilibrium always favors reaction of the stronger acid and stronger base to form the weaker acid and weaker base. Therefore, the major species present at equilibrium in an acid-base reaction are weaker acid and weaker base. The reaction equilibrium shifts to a direction where weaker acid and weaker base is formed. Acids with greater pKa values are weak acids and base with greater pKb values are weaker base.

(c)

Interpretation Introduction

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

Expert Solution & Answer

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Answer 4

Question

Chapter 4, Problem 4.43AP

(a)

Interpretation Introduction

Interpretation:

The Lewis structure of hydride ion and sodium hydride has to be drawn. Also, the consistency of high melting point with Lewis structure has to be explained.

Concept Introduction:

Lewis structure: This is the only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond. This is often called Lewis structure. This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

(b)

Interpretation Introduction

Interpretation:

The gas evolved when sodium hydride is added slowly to water has to be identified. Also, the reason for basic nature of the resulting solution has to be given.

Concept Introduction:

Position of equilibrium in acid-base reaction:

In an acid-base reaction, the position of equilibrium always favors reaction of the stronger acid and stronger base to form the weaker acid and weaker base. Therefore, the major species present at equilibrium in an acid-base reaction are weaker acid and weaker base. The reaction equilibrium shifts to a direction where weaker acid and weaker base is formed. Acids with greater pKa values are weak acids and base with greater pKb values are weaker base.

(c)

Interpretation Introduction

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 4, Problem 4.43AP

(a)

Interpretation Introduction

Interpretation:

The Lewis structure of hydride ion and sodium hydride has to be drawn. Also, the consistency of high melting point with Lewis structure has to be explained.

Concept Introduction:

Lewis structure: This is the only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond. This is often called Lewis structure. This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

(b)

Interpretation Introduction

Interpretation:

The gas evolved when sodium hydride is added slowly to water has to be identified. Also, the reason for basic nature of the resulting solution has to be given.

Concept Introduction:

Position of equilibrium in acid-base reaction:

In an acid-base reaction, the position of equilibrium always favors reaction of the stronger acid and stronger base to form the weaker acid and weaker base. Therefore, the major species present at equilibrium in an acid-base reaction are weaker acid and weaker base. The reaction equilibrium shifts to a direction where weaker acid and weaker base is formed. Acids with greater pKa values are weak acids and base with greater pKb values are weaker base.

(c)

Interpretation Introduction

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

Answer 6

Chapter 4, Problem 4.43AP

(a)

Interpretation Introduction

Interpretation:

The Lewis structure of hydride ion and sodium hydride has to be drawn. Also, the consistency of high melting point with Lewis structure has to be explained.

Concept Introduction:

Lewis structure: This is the only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond. This is often called Lewis structure. This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

Answer 7

Chapter 4, Problem 4.43AP

(a)

Interpretation Introduction

Interpretation:

The Lewis structure of hydride ion and sodium hydride has to be drawn. Also, the consistency of high melting point with Lewis structure has to be explained.

Concept Introduction:

Lewis structure: This is the only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond. This is often called Lewis structure. This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The gas evolved when sodium hydride is added slowly to water has to be identified. Also, the reason for basic nature of the resulting solution has to be given.

Concept Introduction:

Position of equilibrium in acid-base reaction:

In an acid-base reaction, the position of equilibrium always favors reaction of the stronger acid and stronger base to form the weaker acid and weaker base. Therefore, the major species present at equilibrium in an acid-base reaction are weaker acid and weaker base. The reaction equilibrium shifts to a direction where weaker acid and weaker base is formed. Acids with greater pKa values are weak acids and base with greater pKb values are weaker base.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The gas evolved when sodium hydride is added slowly to water has to be identified. Also, the reason for basic nature of the resulting solution has to be given.

Concept Introduction:

Position of equilibrium in acid-base reaction:

In an acid-base reaction, the position of equilibrium always favors reaction of the stronger acid and stronger base to form the weaker acid and weaker base. Therefore, the major species present at equilibrium in an acid-base reaction are weaker acid and weaker base. The reaction equilibrium shifts to a direction where weaker acid and weaker base is formed. Acids with greater pKa values are weak acids and base with greater pKb values are weaker base.

Answer 10

(c)

Interpretation Introduction

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

Answer 11

(c)

Interpretation Introduction

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 4.2 - For each conjugate acid-base pair, identify the...Ch. 4.2 - Write these reactions as proton-transfer...Ch. 4.2 - Following is a structural formula for guanidine,...Ch. 4.2 - Write an equation to show the proton transfer...Ch. 4.3 - For each value of Ka, calculate the corresponding...Ch. 4.4 - Predict the position of equilibrium and calculate...Ch. 4.5 - Calculate Keq for a reaction with G0 = 17.1 kJ/mol...Ch. 4.6 - Acid-Base Equilibria Many factors contribute to...Ch. 4.6 - What is the relative trend in acidity and pKa of...Ch. 4.7 - Write an equation for the reaction between each...

Concept explainers

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

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Chapter 4 Solutions

Concept explainers

Interpretation: Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.

Want to see the full answer?

Chapter 4 Solutions

Interpretation:

Using curved arrows to indicate flow of electrons, a reaction equation between hydride ion and 1-butylene has to be given.