Chemistry 1075: Chapter 13 - Properties of Liquids and Solids - Prof. Beverly A. Kelley | Assignments Chemistry

Chem 1075 Chapter 13 Liquids and Solids Learning Goals / Study Guide

Suggested Homework:

Old 4th Edition:

Exercises #1, 2, 5, 7, 9, 15, 17, 21, 23, 27, 29, 31, 32, 45, 47, 49, 51, 55

New 5th Edition:

Exercises p. 380 1-9odd, 15, 17, 21, 25-31odd, 45, 47, 49,51

Ch. 13 Self-Test All but 6,7,9,10, 12

Key Concepts p. 379 1,2,3,4

Learning Goals:

1. Know the five properties of liquids

2. What is an intermolecular bond or attraction? What are the three types of intermolecular bonds or

attractions? What are the requirements for each intermolecular attraction to occur?

3. Given the formula of a substance, predict what type(s) of intermolecular attractions occur.

4. Know the relative strength of dispersion forces, dipole forces and hydrogen bonding.

5. Be able to relate strengths of intermolecular attractions to properties like vapor pressure, boiling point,

viscosity and surface tension. Know how each of the previous properties are defined.

6. Know the five properties of solids.

7. Know the difference between ionic, molecular and metallic crystalline solids and be able to classify

given formulas into each category.

8. Omit Sec 13.6 Changes of Physical State

9. Know the molecular shape of water, its approximate bond angle, and that it is a polar molecule.

10.Know the unusual characteristics of water liquid vs. water solid: Density, melting point and boiling

point. Be able to explain what causes these unusual properties.

11. Omit Sec. 13.9 on Chemical Properties of Water

12. Omit Sec. 13.10 on Hydrates

Extra Practice:

_____1. Which one of the following substances would have the highest vapor pressure?

a) HC2H3O2(l) acetic acid b) H2O(l) water c) C6H6(l) benzene

d) CH3OH(l) methanol e) CH3COCH3(l) acetone

_____2. Which one of the following would have hydrogen bonding?

a) HC2H3O2(l) acetic acid b) CH3C6H5 toluene c) C6H6(l) benzene

d) CH3OH(l) methanol e) CH3COCH3(l) acetone

_____3. Which one of the following would have the highest boiling point?

a) HC2H3O2(l) acetic acid b) CH3C6H5 toluene c) C6H6(l) benzene

d) CH3OH(l) methanol e) CH3COCH3(l) acetone

_____4. Which one of the following would be a molecular crystalline solid?

a) C6H12O6 glucose b) ZnSO4(s) c) Mg(s) d) LiCl(s)

_____5. Which property would be indicative of a metallic crystalline solid?

a) conductor of electricity only when melted or in solution

b) generally soluble or slightly soluble in water

c) low melting points

d) malleable and ductile

Answers: 1) c since it is nonpolar and only has dispersion forces; 2) d since it has a O–H bond; 3) d since it has hydrogen bonding; 4) a since it has only

nonmetals in the formula; 5) d (a is for ionic, b is for ionic, c is for molecular)

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Chem 1075 Chapter 13 Liquids and Solids Learning Goals / Study Guide

Suggested Homework: Old 4th^ Edition: Exercises #1, 2, 5, 7, 9, 15, 17, 21, 23, 27, 29, 31, 32, 45, 47, 49, 51, 55

New 5th^ Edition: Exercises p. 380 1-9odd, 15, 17, 21, 25-31odd, 45, 47, 49, Ch. 13 Self-Test All but 6,7,9,10, 12 Key Concepts p. 379 1,2,3, Learning Goals:

Know the five properties of liquids
What is an intermolecular bond or attraction? What are the three types of intermolecular bonds or attractions? What are the requirements for each intermolecular attraction to occur?
Given the formula of a substance, predict what type(s) of intermolecular attractions occur.
Know the relative strength of dispersion forces, dipole forces and hydrogen bonding.
Be able to relate strengths of intermolecular attractions to properties like vapor pressure, boiling point, viscosity and surface tension. Know how each of the previous properties are defined.
Know the five properties of solids.
Know the difference between ionic, molecular and metallic crystalline solids and be able to classify given formulas into each category.
Omit Sec 13.6 Changes of Physical State
Know the molecular shape of water, its approximate bond angle, and that it is a polar molecule. 10.Know the unusual characteristics of water liquid vs. water solid: Density, melting point and boiling point. Be able to explain what causes these unusual properties.
Omit Sec. 13.9 on Chemical Properties of Water
Omit Sec. 13.10 on Hydrates Extra Practice: _____1. Which one of the following substances would have the highest vapor pressure? a) HC 2 H 3 O 2 (l) acetic acid b) H 2 O(l) water c) C 6 H 6 (l) benzene d) CH 3 OH(l) methanol e) CH 3 COCH 3 (l) acetone

_____2. Which one of the following would have hydrogen bonding? a) HC 2 H 3 O 2 (l) acetic acid b) CH 3 C 6 H 5 toluene c) C 6 H 6 (l) benzene d) CH 3 OH(l) methanol e) CH 3 COCH 3 (l) acetone

_____3. Which one of the following would have the highest boiling point? a) HC 2 H 3 O 2 (l) acetic acid b) CH 3 C 6 H 5 toluene c) C 6 H 6 (l) benzene d) CH 3 OH(l) methanol e) CH 3 COCH 3 (l) acetone

_____4. Which one of the following would be a molecular crystalline solid? a) C 6 H 12 O 6 glucose b) ZnSO 4 (s) c) Mg(s) d) LiCl(s)

_____5. Which property would be indicative of a metallic crystalline solid? a) conductor of electricity only when melted or in solution b) generally soluble or slightly soluble in water c) low melting points d) malleable and ductile

Answers: 1) c since it is nonpolar and only has dispersion forces; 2) d since it has a O–H bond; 3) d since it has hydrogen bonding; 4) a since it has only nonmetals in the formula; 5) d (a is for ionic, b is for ionic, c is for molecular)

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