Chemistry for Today: General, Organic, and Biochemistry
Spencer Seager
8th Edition
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,Table of Contents
1. Matter, Measurements, and Calculations
2. Atoms and Molecules
3. Electronic Structure and the Periodic Law
4. Forces Between Particles
5. Chemical Reactions
6. The States of Matter
7. Solutions and Colloids
8. Reaction Rates and Equilibrium
9. Acids, Bases, and Salts
10. Radioactivity and Nuclear Processes
11. Organic Compounds: Alkanes
12. Unsaturated Hydrocarbons
13. Alcohols, Phenols, and Ethers
14. Aldehydes and Ketones
15. Carboxylic Acids and Esters
16. Amines and Amides
17. Carbohydrates
18. Lipids
19. Proteins
20. Enzymes
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21. Nucleic Acids and Protein Synthesis
22. Nutrition and Energy for Life
23. Carbohydrate Metabolism
24. Lipid and Amino Acid Metabolism
25. Body Fluids
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Appendices
A. The International System of Measurements
B. Answers to Even-Numbered End-of-Chapter Exercises
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C. Solutions to Learning Checks
Glossary
Index
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,Chapter 1—Matter, Measurements, and Calculations
MULTIPLE CHOICE
1. The mass of an object is
a. the force between the object and the earth.
b. a measure of the amount of matter in the object.
c. the amount of space the object occupies.
d. depends on the location of the object on the earth.
ANS: B PTS: 1
2. Any two objects are attracted to each other by .
a. gravity c. magnetism
b. electrostatic forces d. all of them
ANS: A PTS: 1
3. How is the weight of an object influenced when the gravitational force on the object is
increased?
a. it decreases c. it is unchanged
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b. it increases d. it equals the mass
ANS: B PTS: 1
4. The weight of an object is
a. a measure of the gravitational force pulling the object toward the earth.
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b. equal to the mass of the matter in the object.
c. a measure of the space occupied by the object.
d. the same at any location on the earth.
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ANS: A PTS: 1
5. The fact that gold does not corrode is a property
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a. physical b. personal c. real d. chemical
ANS: D PTS: 1
6. Which of the following represents a physical change in matter?
a. A substance solidifies at 443 K.
b. A substance produces a gas and a solid when heated.
c. A substance burns when heated.
d. A substance changes color when exposed to air.
ANS: A PTS: 1
7. The melting of ice to liquid water is correctly classified as
a. a chemical change.
b. a physical change.
c. both a chemical and a physical change.
d. neither a chemical nor physical change.
ANS: B PTS: 1
8. Which of the following is a physical property of matter?
, a. it does not burn
b. produces a gas when placed in an acid
c. freezes at 10 F
d. the surface turns black in air
ANS: C PTS: 1
9. Which of the following is a chemical property of matter?
a. color c. freezing point
b. density d. flammability
ANS: D PTS: 1
10. As two clear liquid solutions are thoroughly mixed, a red solid forms. This change is
most likely .
a. physical. c. neither chemical nor physical.
b. chemical. d. both chemical and physical.
ANS: B PTS: 1
11. The limit of chemical subdivision of an element is the .
a. atom b. molecule c. proton d. compound
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ANS: A PTS: 1
12. Which of the following substances are composed of heteroatomic molecules?
a. an iron nail b. oxygen c. copper wire d. water
ANS: D PTS: 1
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13. A molecule represented by O-O-O must be classified as
a. homoatomic and polyatomic. c. heteroatomic and polyatomic.
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b. homoatomic and monoatomic. d. heteroatomic and monoatomic.
ANS: A PTS: 1
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14. Which of the following terms correctly applies to a molecule of CO2?
a. triatomic, heteroatomic c. triatomic, homoatomic
b. polyatomic, diatomic d. diatomic, heteroatomic
ANS: A PTS: 1
15. Table salt, NaCl is best classified as a(n) .
a. compound c. homogeneous mixture
b. element d. heterogeneous mixture
ANS: A PTS: 1
16. The limit of physical subdivision of pure H2O is .
a. the atom b. the molecule c. the element d. a proton
ANS: B PTS: 1
17. Homoatomic pure substances are known as .
a. protons b. elements c. compound d. molecules
ANS: B PTS: 1