
OWLv2 6-Months Printed Access Card for Kotz/Treichel/Townsend's Chemistry & Chemical Reactivity, 9th, 9th Edition
9th Edition
ISBN: 9781285460680
Author: Kotz, Treichel, Townsend
Publisher: Cengage Learning
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Question
Chapter 10, Problem 35PS
Interpretation Introduction
Interpretation:
The oxygen pressure in the tank has to be determined.
Concept Introduction:
According to ideal gas equation:
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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 10 Solutions
OWLv2 6-Months Printed Access Card for Kotz/Treichel/Townsend's Chemistry & Chemical Reactivity, 9th, 9th Edition
Ch. 10.1 - At the summit of Mount Everest (altitude = 8848...Ch. 10.2 - A large balloon contains 65.0 L of helium gas at...Ch. 10.2 - Prob. 10.3CYUCh. 10.2 - You have a 22-L cylinder of helium at a pressure...Ch. 10.2 - Prob. 10.5CYUCh. 10.3 - Prob. 10.6CYUCh. 10.3 - At 1.00 atm and 25 C, the density of dry air is...Ch. 10.3 - A 0.105-g sample of a gaseous compound has a...Ch. 10.4 - Prob. 10.9CYUCh. 10.5 - The halothane-oxygen mixture described in this...
Ch. 10.6 - Prob. 10.11CYUCh. 10.7 - Prob. 10.12CYUCh. 10.8 - Prob. 1.1ACPCh. 10.8 - Prob. 1.2ACPCh. 10.8 - At sea level, atmospheric pressure is 1.00 atm....Ch. 10.8 - Prob. 2.2ACPCh. 10.8 - To stay aloft, a blimp must achieve neutral...Ch. 10.8 - Nitrogen gas is produced not only by NaN3...Ch. 10.8 - Prob. 3.2ACPCh. 10 - Pressure (See Section 10.1 and Example 10.1.) The...Ch. 10 - The average barometric pressure at an altitude of...Ch. 10 - Indicate which represents the higher pressure in...Ch. 10 - Put the following in order of increasing pressure:...Ch. 10 - Prob. 5PSCh. 10 - Prob. 6PSCh. 10 - You have 3.5 L of NO at a temperature of 22.0 C....Ch. 10 - Prob. 8PSCh. 10 - Prob. 9PSCh. 10 - You have a sample of CO2 in flask A with a volume...Ch. 10 - You have a sample of gas in a flask with a volume...Ch. 10 - A sample of gas occupies 135 mL at 22.5 C; the...Ch. 10 - One of the cylinders of an automobile engine has a...Ch. 10 - A helium-filled balloon of the type used in...Ch. 10 - Nitrogen monoxide reacts with oxygen to give...Ch. 10 - Ethane bums in air to give H2O and CO2. 2 C2H6(g)...Ch. 10 - A 1.25-g sample of CO2 is contained in a 750.-mL...Ch. 10 - A balloon holds 30.0 kg of helium. What is the...Ch. 10 - A flask is first evacuated so that it contains no...Ch. 10 - Prob. 20PSCh. 10 - Prob. 21PSCh. 10 - Prob. 22PSCh. 10 - Forty miles above Earths surface, the temperature...Ch. 10 - Prob. 24PSCh. 10 - A gaseous organofluorine compound has a density of...Ch. 10 - Prob. 26PSCh. 10 - A 1 007-g sample of an unknown gas exerts a...Ch. 10 - A 0.0130-g sample of a gas with an empirical...Ch. 10 - A new boron hydride, BxHy, has been isolated. To...Ch. 10 - Acetaldehyde is a common liquid compound that...Ch. 10 - Iron reacts with hydrochloric acid to produce...Ch. 10 - Silane, SiH4, reacts with O2 to give silicon...Ch. 10 - Prob. 33PSCh. 10 - The hydrocarbon octane (C8H18) bums to give CO2...Ch. 10 - Prob. 35PSCh. 10 - A self-contained underwater breathing apparatus...Ch. 10 - What is the total pressure in atmospheres of a gas...Ch. 10 - A cylinder of compressed gas is labeled...Ch. 10 - A halothane-oxygen mixture (C2HBrCIF3 + O2) can be...Ch. 10 - A collapsed balloon is filled with He to a volume...Ch. 10 - You have two flasks of equal volume. Flask A...Ch. 10 - Equal masses of gaseous N2 and Ar are placed in...Ch. 10 - If the rms speed of an oxygen molecule is 4.28 ...Ch. 10 - Prob. 44PSCh. 10 - Place the following gases in order of increasing...Ch. 10 - Prob. 46PSCh. 10 - In each pair of gases below, tell which will...Ch. 10 - Prob. 48PSCh. 10 - Prob. 49PSCh. 10 - A sample of uranium fluoride is found to effuse at...Ch. 10 - Prob. 51PSCh. 10 - Prob. 52PSCh. 10 - In the text, it is stated that the pressure of...Ch. 10 - You want to store 165 g of CO2 gas in a 12.5-L...Ch. 10 - Consider a 5.00-L tank containing 325 g of H2O at...Ch. 10 - Consider a 5.00-L tank containing 375 g of Ar at a...Ch. 10 - Complete the following table:Ch. 10 - On combustion, 1.0 L of a gaseous compound of...Ch. 10 - You have a sample of helium gas at 33 C, and you...Ch. 10 - Prob. 60GQCh. 10 - Butyl mercaptan, C4H9SH, has a very bad odor and...Ch. 10 - Prob. 62GQCh. 10 - The temperature of the atmosphere on Mars can be...Ch. 10 - If you place 2.25 g of solid silicon in a 6.56-L...Ch. 10 - What volume (in liters) of O2, measured at...Ch. 10 - Nitroglycerin decomposes into four different gases...Ch. 10 - Ni(CO)4 can be made by reacting finely divided...Ch. 10 - Ethane bums in air to give H2O and CO2. 2 C2H6(g)...Ch. 10 - You have four gas samples: 1. 1.0 L of H2 at STP...Ch. 10 - Propane reacts with oxygen to give carbon dioxide...Ch. 10 - Iron carbonyl can be made by the direct reaction...Ch. 10 - Prob. 72GQCh. 10 - There are five compounds in the family of...Ch. 10 - A miniature volcano can be made in the laboratory...Ch. 10 - The density of air 20 km above Earths surface is...Ch. 10 - Prob. 76GQCh. 10 - Chlorine dioxide, ClO2, reacts with fluorine to...Ch. 10 - A xenon fluoride can be prepared by heating a...Ch. 10 - Prob. 79GQCh. 10 - Prob. 80GQCh. 10 - Prob. 81GQCh. 10 - Carbon dioxide, CO2, was shown lo effuse through a...Ch. 10 - Prob. 84GQCh. 10 - Prob. 85GQCh. 10 - Prob. 86GQCh. 10 - You are given 1.56 g of a mixture of KClO3 and...Ch. 10 - A study of climbers who reached the summit of...Ch. 10 - Nitrogen monoxide reacts with oxygen to give...Ch. 10 - Ammonia gas is synthesized by combining hydrogen...Ch. 10 - Nitrogen trifluoride is prepared by the reaction...Ch. 10 - Chlorine trifluoride, ClF3, is a valuable reagent...Ch. 10 - Prob. 93GQCh. 10 - Prob. 94GQCh. 10 - You have a 550.-mL tank of gas with a pressure of...Ch. 10 - Prob. 96ILCh. 10 - Prob. 97ILCh. 10 - Group 2A metal carbonates are decomposed to the...Ch. 10 - One way to synthesize diborane, B2H6, is the...Ch. 10 - You are given a solid mixture of NaNO2 and NaCl...Ch. 10 - You have 1.249 g of a mixture of NaHCO3 and...Ch. 10 - Prob. 102ILCh. 10 - Many nitrate salts can be decomposed by heating....Ch. 10 - You have a gas, one of the three known...Ch. 10 - Prob. 106ILCh. 10 - A 1.0-L flask contains 10.0 g each of O2 and CO2...Ch. 10 - If equal masses of O2 and N2 are placed in...Ch. 10 - You have two pressure-proof steel cylinders of...Ch. 10 - Prob. 110SCQCh. 10 - Prob. 111SCQCh. 10 - Each of four flasks is filled with a different...Ch. 10 - Prob. 113SCQCh. 10 - The sodium azide required for automobile air bags...Ch. 10 - Prob. 115SCQCh. 10 - Prob. 116SCQ
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