Chemistry for Engineering Students
3rd Edition
ISBN: 9781285199023
Author: Lawrence S. Brown, Tom Holme
Publisher: Cengage Learning
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Chapter 8, Problem 8.48PAE
Interpretation Introduction
To determine: the type of intermolecular forces that must be overcome in converting of each of the given compounds from a liquid to a gas.
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Which type of intermolecular force accounts for each of these differences? (a) CH3OH boils at 65 °C; CH3SH boils at 6 °C. (b) Xe is a liquid at atmospheric pressure and 120 K, whereas Ar is a gas under the same conditions. (c) Kr, atomic weight 84 amu, boils at 120.9 K, whereas Cl2, molecular weight about 71 amu, boils at 238 K. (d) Acetone boils at 56 °C, whereas 2-methylpropane boils at -12 °C.
CH3 CH3 O C CH3 CH3 CH3 CH Acetone 2-Methylpropane
Would you expect the boiling points to increase or decrease in the following series? Explain.
(a) Kr, Ar, Ne (b) Cl2, Br2, I2
1) Using principles of chemical bonding and/or intermolecular forces, explain each of the following.
(a) Xenon has a higher boiling point than neon has.
(b) Solid copper is an excellent conductor of electricity, but solid copper chloride is not.
(c) SiO2 melts at a very high temperature, while CO2 is a gas at room temperature, even though Si and C are in the same chemical family.
(d) Molecules of NF3 are polar, but those of BF3 are not.
2) Using principles of chemical bonding and/or intermolecular forces, explain each of the following:
(a) MgCl2 and SiCl4
(b) MgCl2 and MgF2
(c) F2 and Br2
(d) F2 and N2
Note: Please Briefly Explain
Chapter 8 Solutions
Chemistry for Engineering Students
Ch. 8 - Prob. 1COCh. 8 - • describe the arrangement of atoms in the common...Ch. 8 - • use bind theory to describe bonding in solids.Ch. 8 - Prob. 4COCh. 8 - Prob. 5COCh. 8 - Prob. 6COCh. 8 - Prob. 7COCh. 8 - • explain the connection between intermolecular...Ch. 8 - Prob. 9COCh. 8 - Prob. 10CO
Ch. 8 - Prob. 8.1PAECh. 8 - Why is the C 60form of carbon called...Ch. 8 - Prob. 8.3PAECh. 8 - Prob. 8.4PAECh. 8 - What is the relationship between the structures of...Ch. 8 - Use the web to look up information on nanotubes....Ch. 8 - Prob. 8.7PAECh. 8 - Prob. 8.8PAECh. 8 - Prob. 8.9PAECh. 8 - Using circles, draw regular two-dimensional...Ch. 8 - Prob. 8.11PAECh. 8 - Prob. 8.12PAECh. 8 - Prob. 8.13PAECh. 8 - Prob. 8.14PAECh. 8 - 8.13 What is the coordination number of atoms in...Ch. 8 - Prob. 8.16PAECh. 8 - Prob. 8.17PAECh. 8 - 8.16 Iridium forms a face-centered cubic lattice,...Ch. 8 - 8.17 Europium forms a body-centered cubic unit...Ch. 8 - 8.18 Manganese has a body-centered cubic unit cell...Ch. 8 - Prob. 8.21PAECh. 8 - 8.20 How many electrons per atom are delocalized...Ch. 8 - Prob. 8.23PAECh. 8 - Prob. 8.24PAECh. 8 - Prob. 8.25PAECh. 8 - 8.24 What is the key difference between metallic...Ch. 8 - Prob. 8.27PAECh. 8 - Prob. 8.28PAECh. 8 - 8.25 Draw a depiction of the band structure of a...Ch. 8 - Prob. 8.30PAECh. 8 - Prob. 8.31PAECh. 8 - Prob. 8.32PAECh. 8 - Prob. 8.33PAECh. 8 - Prob. 8.34PAECh. 8 - Prob. 8.35PAECh. 8 - Prob. 8.36PAECh. 8 - Prob. 8.37PAECh. 8 - Suppose that a device is using a 15.0-mg sample of...Ch. 8 - 8.35 What is an instantancous dipole?Ch. 8 - 8.36 Why are dispersion forces attractive?Ch. 8 - 8.37 If a molecule is not very polarizable, how...Ch. 8 - 8.38 What is the relationship between...Ch. 8 - Prob. 8.43PAECh. 8 - Prob. 8.44PAECh. 8 - 8.39 Under what circumstances are ion-dipole...Ch. 8 - 8.40 Which of the following compounds would be...Ch. 8 - 8.41 What is the specific feature of N, O, and F...Ch. 8 - Prob. 8.48PAECh. 8 - 8.43 Identify the kinds of intermolecular forces...Ch. 8 - Prob. 8.50PAECh. 8 - Prob. 8.51PAECh. 8 - Explain from a molecular perspective why graphite...Ch. 8 - 8.45 Describe how interactions between molecules...Ch. 8 - 8.46 What makes a chemical compound volatile?Ch. 8 - 8.47 Answer each of the following questions with...Ch. 8 - 8.48 Why must the vapor pressure of a substance be...Ch. 8 - Prob. 8.57PAECh. 8 - Prob. 8.58PAECh. 8 - Prob. 8.59PAECh. 8 - Suppose that three unknown pure substances are...Ch. 8 - 8.51 Suppose that three unknown pure substances...Ch. 8 - 8.52 Rank the following hydrocarbons in order of...Ch. 8 - Prob. 8.63PAECh. 8 - Prob. 8.64PAECh. 8 - Prob. 8.65PAECh. 8 - Prob. 8.66PAECh. 8 - Prob. 8.67PAECh. 8 - Prob. 8.68PAECh. 8 - Why is there no isotactic or syndiotactic form of...Ch. 8 - Prob. 8.70PAECh. 8 - Prob. 8.71PAECh. 8 - Prob. 8.72PAECh. 8 - 8.61 Distinguish between a block copolymer and a...Ch. 8 - Prob. 8.74PAECh. 8 - Prob. 8.75PAECh. 8 - Prob. 8.76PAECh. 8 - Prob. 8.77PAECh. 8 - 8.66 What structural characteristics are needed...Ch. 8 - Prob. 8.79PAECh. 8 - Prob. 8.80PAECh. 8 - Prob. 8.81PAECh. 8 - Prob. 8.82PAECh. 8 - Prob. 8.83PAECh. 8 - Prob. 8.84PAECh. 8 - Prob. 8.85PAECh. 8 - Prob. 8.86PAECh. 8 - 8.87 Use the vapor pressure curves illustrated...Ch. 8 - Prob. 8.88PAECh. 8 - 8.89 The following data show the vapor pressure of...Ch. 8 - Prob. 8.90PAECh. 8 - Prob. 8.91PAECh. 8 - Prob. 8.92PAECh. 8 - Prob. 8.93PAECh. 8 - Prob. 8.94PAECh. 8 - Prob. 8.95PAECh. 8 - 8.96 A business manager wants to provide a wider...Ch. 8 - 8.97 The doping of semiconductors can be done with...Ch. 8 - 8.98 If you know the density of material and the...Ch. 8 - Prob. 8.99PAECh. 8 - Prob. 8.100PAECh. 8 - Prob. 8.101PAECh. 8 - Prob. 8.102PAECh. 8 - 8.103 In previous chapters, we have noted that...Ch. 8 - Prob. 8.104PAECh. 8 - Prob. 8.105PAE
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