(a) Interpretation: The charges of an electron, a proton and a neutron should be determined. Concept Introduction: The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

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Answer 1

Question

Chapter 2, Problem 2.86P

Interpretation Introduction

(a)

Interpretation:

The charges of an electron, a proton and a neutron should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

Interpretation Introduction

(b)

Interpretation:

The masses in amu up to one significant figure of protons, electrons and neutrons should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

AMU stands for atomic mass unit which is defined as the 1/12 mass of Carbon-12 atom. Carbpn-12 atom composed of six neutrons and six protons in nucleus.

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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 2, Problem 2.86P

Interpretation Introduction

(a)

Interpretation:

The charges of an electron, a proton and a neutron should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

Interpretation Introduction

(b)

Interpretation:

The masses in amu up to one significant figure of protons, electrons and neutrons should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

AMU stands for atomic mass unit which is defined as the 1/12 mass of Carbon-12 atom. Carbpn-12 atom composed of six neutrons and six protons in nucleus.

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Answer 3

Question

Chapter 2, Problem 2.86P

Interpretation Introduction

(a)

Interpretation:

The charges of an electron, a proton and a neutron should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

Interpretation Introduction

(b)

Interpretation:

The masses in amu up to one significant figure of protons, electrons and neutrons should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

AMU stands for atomic mass unit which is defined as the 1/12 mass of Carbon-12 atom. Carbpn-12 atom composed of six neutrons and six protons in nucleus.

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Answer 4

Question

Chapter 2, Problem 2.86P

Interpretation Introduction

(a)

Interpretation:

The charges of an electron, a proton and a neutron should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

Interpretation Introduction

(b)

Interpretation:

The masses in amu up to one significant figure of protons, electrons and neutrons should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

AMU stands for atomic mass unit which is defined as the 1/12 mass of Carbon-12 atom. Carbpn-12 atom composed of six neutrons and six protons in nucleus.

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Answer 5

Chapter 2, Problem 2.86P

Interpretation Introduction

(a)

Interpretation:

The charges of an electron, a proton and a neutron should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

Interpretation Introduction

(b)

Interpretation:

The masses in amu up to one significant figure of protons, electrons and neutrons should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

AMU stands for atomic mass unit which is defined as the 1/12 mass of Carbon-12 atom. Carbpn-12 atom composed of six neutrons and six protons in nucleus.

Answer 6

Chapter 2, Problem 2.86P

Interpretation Introduction

(a)

Interpretation:

The charges of an electron, a proton and a neutron should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

Answer 7

Chapter 2, Problem 2.86P

Interpretation Introduction

(a)

Interpretation:

The charges of an electron, a proton and a neutron should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The masses in amu up to one significant figure of protons, electrons and neutrons should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

AMU stands for atomic mass unit which is defined as the 1/12 mass of Carbon-12 atom. Carbpn-12 atom composed of six neutrons and six protons in nucleus.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The masses in amu up to one significant figure of protons, electrons and neutrons should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

AMU stands for atomic mass unit which is defined as the 1/12 mass of Carbon-12 atom. Carbpn-12 atom composed of six neutrons and six protons in nucleus.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 2.2 - Problem 2-1 Write the formulas of compounds in...Ch. 2.4 - Problem 2-2 What is the mass number of an atom...Ch. 2.4 - Problem 2-3 Name the elements given in Problem...Ch. 2.4 - Problem 2-4 (a) What are the atomic numbers of...Ch. 2.4 - Prob. 2.5P Ch. 2.4 - Problem 2-6 The atomic weight of lithium is 6.941...Ch. 2.6 - Problem 2-7 Write the Lewis dot structure for the...Ch. 2 - Prob. 2.8P Ch. 2 - 9 Answer true or false. (a) Matter is divided into...Ch. 2 - Prob. 2.10P

(a) Interpretation: The charges of an electron, a proton and a neutron should be determined. Concept Introduction: The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

Solution Summary: The author explains the three basic sub-atomic particles: electrons, protons, and neutrons. AMU stands for atomic mass unit.

Concept explainers

(a)

Interpretation:

The charges of an electron, a proton and a neutron should be determined.

Concept Introduction:

The particles which are smaller than the atoms are said to be sub-atomic particles. The three basic sub-atomic particles are electrons, protons and neutrons.

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Chapter 2 Solutions