Chemistry
4th Edition
ISBN: 9780078021527
Author: Julia Burdge
Publisher: McGraw-Hill Education
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Question
Chapter 4, Problem 31QP
Interpretation Introduction
Interpretation:
The given species are to be identified as Bronsted acids, bases, or both.
Concept introduction:
Bronsted definitions of an acid and a base:
Acid – Acid is a proton donor.
Base – Base is a proton acceptor.
Bronsted definitions of an acid and a base are based on the concept of proton transfer.
Any species that can donate a proton to another molecule is a Bronsted acid.
Any species that can accept a proton from another molecule is a Bronsted base.
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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
Chapter 4 Solutions
Chemistry
Ch. 4.1 - Prob. 1PPACh. 4.1 - Prob. 1PPBCh. 4.1 - Prob. 1PPCCh. 4.1 - Prob. 1CPCh. 4.1 - Soluble molecular compounds are __________. a)...Ch. 4.1 - Which of the following compounds is a weak...Ch. 4.1 - 4.1.4 Which of the following compounds is a strong...Ch. 4.2 - Prob. 1PPACh. 4.2 - Prob. 1PPBCh. 4.2 - Practice Problem CONCEPTUALIZE
Using Tables 4.2...
Ch. 4.2 - Which of the following are water-soluble? (Choose...Ch. 4.2 - Which of the following are water-insoluble?...Ch. 4.2 - 4.2.3 What are the spectator ions in the ionic...Ch. 4.2 - Select the correct net ionic equation for the...Ch. 4.2 - 4.2.5 Which reaction is represented by the net...Ch. 4.2 - Which reaction is represented by the net ionic...Ch. 4.3 - Prob. 1PPACh. 4.3 - Practice Problem BUILD
Write the molecular,...Ch. 4.3 - Prob. 1PPCCh. 4.3 - Identify the Brø�nsted acid in the following...Ch. 4.3 - Identify the Brø�nsted base in the following...Ch. 4.3 - Which of the following is the correct net ionic...Ch. 4.3 - 4.3.4 Which of the following is the correct net...Ch. 4.3 - Which diagram best represents the ions remaining...Ch. 4.3 - Which diagram best represents the ions remaining...Ch. 4.4 - Prob. 1PPACh. 4.4 - Prob. 1PPBCh. 4.4 - Prob. 1PPCCh. 4.4 - Determine the oxidation number of sulfur in each...Ch. 4.5 - Practice Problem ATTEMPT
Assign oxidation numbers...Ch. 4.5 - Practice ProblemBUILD Assign oxidation numbers to...Ch. 4.5 - Practice ProblemCONCEPTUALIZE Write the balanced...Ch. 4.5 - Calculate the molar concentration of a solution...Ch. 4.5 - What mass of glucose (C 6 H 12 O 6 ) in grams must...Ch. 4.5 - What volume in milliliters of a 1 .20 M HCl...Ch. 4.5 - A solution that is 0 .18 M in Na 2 CO 3 is...Ch. 4.5 - Prob. 5CPCh. 4.5 - Prob. 6CPCh. 4.6 - Prob. 1PPACh. 4.6 - Prob. 1PPBCh. 4.6 - Prob. 1PPCCh. 4.6 - What mass of AgCl will be recovered if a solution...Ch. 4.6 - A 10.0-g sample of an unknown ionic compound is...Ch. 4.6 - 4.6.3 Which of the following best represents the...Ch. 4.6 - If 25.0 mL of an H 2 SO 4 solution requires 39 .9...Ch. 4.6 - 4.6.5 What volume of is required to neutralize
Ch. 4.6 - Which of the following best represents the...Ch. 4.7 - Prob. 1PPACh. 4.7 - Prob. 1PPBCh. 4.7 - Prob. 1PPCCh. 4.8 - Practice ProblemATTEMPT For an aqueous solution of...Ch. 4.8 - Prob. 1PPBCh. 4.8 - Prob. 1PPCCh. 4.9 - Practice Problem ATTEMPT
What volume of is...Ch. 4.9 - Prob. 1PPBCh. 4.9 - Prob. 1PPCCh. 4.10 - Practice ProblemATTEMPT Starting with a 6.552-M...Ch. 4.10 - Practice ProblemBUILD Five standard solutions of...Ch. 4.10 - Practice ProblemCONCEPTUALIZE The first diagram...Ch. 4.11 - Practice ProblemATTEMPT Using the square-bracket...Ch. 4.11 - Practice ProblemBUILD Using the square-bracket...Ch. 4.11 - Prob. 1PPCCh. 4.12 - Prob. 1PPACh. 4.12 - Prob. 1PPBCh. 4.12 - Practice ProblemCONCEPTUALIZE Which diagram best...Ch. 4.13 - Prob. 1PPACh. 4.13 - Prob. 1PPBCh. 4.13 - Practice Problem CONCEPTUALIZE
Which diagram best...Ch. 4.14 - Practice ProblemATTEMPT How many milliliters of a...Ch. 4.14 - Practice Problem BUILD
How many milliliters of a ...Ch. 4.14 - Practice ProblemCONCEPTUALIZE Which diagram best...Ch. 4.15 - Prob. 1PPACh. 4.15 - Prob. 1PPBCh. 4.15 - Practice Problem CONCEPTUALIZE
Consider aqueous...Ch. 4.16 - Prob. 1PPACh. 4.16 - Prob. 1PPBCh. 4.16 - Prob. 1PPCCh. 4 - Prob. 1KSPCh. 4 - 4.2
Consider the following net ionic equation: If...Ch. 4 - 4.3
The net ionic equation for the neutralization...Ch. 4 - When steel wool [ Fe ( s ) ] is placed in a...Ch. 4 - Define solute, solvent, and solution by describing...Ch. 4 - what is the difference between a nonelectrolyte...Ch. 4 - What is the difference between the symbols → and ⇄...Ch. 4 - Water is an extremely weak electrolyte and...Ch. 4 - Prob. 5QPCh. 4 - Prob. 6QPCh. 4 - Which of the following diagrams best represents...Ch. 4 - Identify each of the following substances as a...Ch. 4 - 4.9 Identify each of the following substances as a...Ch. 4 - The passage of electricity through an electrolyte...Ch. 4 - Predict and explain which of the following systems...Ch. 4 - You are given a water-soluble compound X. Describe...Ch. 4 - 4.13 Explain why a solution of in benzene does...Ch. 4 - 4.14 Describe hydration. What properties of water...Ch. 4 - 4.15 What is the difference between an ionic...Ch. 4 - 4.16 What is the advantage of writing net ionic...Ch. 4 - Prob. 17QPCh. 4 - Prob. 18QPCh. 4 - 4.19 Characterize the following compounds as...Ch. 4 - Characterize the following compounds as soluble or...Ch. 4 - Write ionic and net ionic equations for the...Ch. 4 - 4.22 Write ionic and net ionic equations for the...Ch. 4 - Which of the following processes will likely...Ch. 4 - 4.24 List the general properties of acids and...Ch. 4 - Give Arrhenius’s and Brø�nsted's definitions of an...Ch. 4 - Give an example of a monoprotic acid, a diprotic...Ch. 4 - What are the products of an acid-base...Ch. 4 - 4.28 what factors qualify a compound as a salt?...Ch. 4 - Prob. 29QPCh. 4 - 4.30 Identify each of the following species as a...Ch. 4 - Prob. 31QPCh. 4 - 4.32 Balance the following equations and write the...Ch. 4 - 4.33 Balance the following equations and write the...Ch. 4 - Prob. 34QPCh. 4 - Prob. 35QPCh. 4 - Prob. 36QPCh. 4 - Prob. 37QPCh. 4 - How is the activity series organized? How is it...Ch. 4 - 4.39 Use the following reaction to define the...Ch. 4 - Prob. 40QPCh. 4 - For the complete redox reactions given here, break...Ch. 4 - For the complete redox reactions given here, write...Ch. 4 - Arrange the following species in order of...Ch. 4 - Phosphorus forms many oxoacids. Indicate the...Ch. 4 - Give the oxidation numbers for the underlined...Ch. 4 - Give the oxidation number for the following...Ch. 4 - Prob. 47QPCh. 4 - Give the oxidation numbers for the underlined...Ch. 4 - Prob. 49QPCh. 4 - Prob. 50QPCh. 4 - Prob. 51QPCh. 4 - Prob. 52QPCh. 4 - Prob. 53QPCh. 4 - Prob. 54QPCh. 4 - Prob. 55QPCh. 4 - Prob. 56QPCh. 4 - Prob. 57QPCh. 4 - 4.58 Write the equation that enables us to...Ch. 4 - Prob. 59QPCh. 4 - 4.60 Describe how you would prepare
Ch. 4 - Prob. 61QPCh. 4 - Prob. 62QPCh. 4 - Prob. 63QPCh. 4 - Prob. 64QPCh. 4 - Calculate the volume in milliliters of a solution...Ch. 4 - 4.66 Determine how many grams of each of the...Ch. 4 - Prob. 67QPCh. 4 - Prob. 68QPCh. 4 - Prob. 69QPCh. 4 - 4.70 You have 505 mL of a solution and you want...Ch. 4 - Prob. 71QPCh. 4 - Prob. 72QPCh. 4 - Determine the resulting nitrate ion concentration...Ch. 4 - Prob. 74QPCh. 4 - Describe the basic steps involved in gravimetric...Ch. 4 - Prob. 76QPCh. 4 - Prob. 77QPCh. 4 - How does an acid-base indicator work?Ch. 4 - A student carried out two titrations using an NaOH...Ch. 4 - Prob. 80QPCh. 4 -
4.81 If 30.0 mL of is added to 15.0 mL of , what...Ch. 4 - Prob. 82QPCh. 4 -
4.83 How many grams of are required to...Ch. 4 -
4.84 Calculate the concentration (in molarity) of...Ch. 4 - Calculate the volume in milliliters of a 1 .420 M...Ch. 4 - Prob. 86QPCh. 4 - Prob. 87QPCh. 4 - Determine the mass of product that will...Ch. 4 - Prob. 89QPCh. 4 - Prob. 90QPCh. 4 - Prob. 91QPCh. 4 - For each of the following pairs of combinations,...Ch. 4 - Prob. 93QPCh. 4 - Prob. 94QPCh. 4 - Prob. 95APCh. 4 - Oxygen ( O 2 ) and carbon dioxide ( CO 2 ) are...Ch. 4 - Prob. 97APCh. 4 - Prob. 98APCh. 4 - Calculate the volume of a 0 .156 M CuSO 4 solution...Ch. 4 - Prob. 100APCh. 4 - Prob. 101APCh. 4 - 4.102 Identify each of the following compounds as...Ch. 4 - Prob. 105APCh. 4 - Prob. 106APCh. 4 - 4.107 A 15.00-mL solution of potassium nitrate was...Ch. 4 - When 2.50 g of a zinc strip was placed in an AgNO...Ch. 4 - Prob. 109APCh. 4 - 4.110 Calculate the concentration of the acid (or...Ch. 4 - Prob. 111APCh. 4 - Prob. 112APCh. 4 - Prob. 113APCh. 4 - Prob. 114APCh. 4 - Prob. 115APCh. 4 - Prob. 116APCh. 4 - Prob. 117APCh. 4 - Prob. 118APCh. 4 - You are given a soluble compound of an unknown...Ch. 4 - Prob. 120APCh. 4 - Prob. 121APCh. 4 - Prob. 122APCh. 4 - Prob. 123APCh. 4 - Prob. 124APCh. 4 - Prob. 125APCh. 4 - Someone spilled concentrated sulfuric acid on the...Ch. 4 - Prob. 127APCh. 4 - Prob. 128APCh. 4 - Prob. 129APCh. 4 - A 0.8870-g sample of a mixture of NaCl and KCl is...Ch. 4 - Prob. 131APCh. 4 - Prob. 132APCh. 4 - Prob. 133APCh. 4 - Because the Acid-base and precipitation reactions...Ch. 4 - Prob. 135APCh. 4 - Prob. 136APCh. 4 - Give a chemical explanation for each of the...Ch. 4 - The recommended procedure for preparing a very...Ch. 4 - A 0.9157-g mixture of CaBr 2 and NaBr is dissolved...Ch. 4 - 4.140 Use the periodic table framework given here...Ch. 4 - A 325-mL sample of solution contains 25 .3 g of...Ch. 4 - Prob. 142APCh. 4 - Prob. 143APCh. 4 - Prob. 144APCh. 4 - Prob. 145APCh. 4 - Prob. 146APCh. 4 - Prob. 147APCh. 4 - Prob. 148APCh. 4 - Prob. 149APCh. 4 - Prob. 150APCh. 4 - 4.151 Potassium superoxide is used in some...Ch. 4 - Prob. 152APCh. 4 - 4.153 Acetylsalicylic acid is a monoprotic add...Ch. 4 - Prob. 154APCh. 4 - Prob. 155APCh. 4 - Prob. 156APCh. 4 - 4.157 The concentration of ions in the water...Ch. 4 - Prob. 158APCh. 4 - The police often use a device called a...Ch. 4 - Absorbance values for five standard solutions of a...Ch. 4 - Prob. 1SEPPCh. 4 - Prob. 2SEPPCh. 4 - Prob. 3SEPPCh. 4 - Prob. 4SEPP
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