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Chemistry: The Molecular Nature of Matter and Change 10th Edition
by Martin Silberberg (Author) Questions And Answers Graded A+
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, TABLE OF CONTENTS
chapter 1—the science of chemistry .......................................................................................................... 1
chapter 2—matter and energy ..................................................................................................................... 1
chapter 3—atoms and moles ....................................................................................................................... 1
chapter 4—the periodic table ..................................................................................................................... 1
chapter 5—ions and ionic compounds ......................................................................................................... 1
chapter 6—covalent compounds ................................................................................................................. 1
chapter 7—the mole and chemical composition ....................................................................................... 1
chapter 8—chemical equations and reactions ............................................................................................ 1
chapter 9—stoichiometry ........................................................................................................................... 1
chapter 10—causes of change ..................................................................................................................... 1
chapter 11—states of matter and intermolecular forces ........................................................................... 1
chapter 12—gases ....................................................................................................................................... 1
chapter 13—solutions ................................................................................................................................. 1
chapter 14—chemical equilibrium ............................................................................................................ 1
chapter 15—acids and bases ....................................................................................................................... 1
chapter 16—reaction rates .......................................................................................................................... 1
chapter 17—oxidation, reduction, and electrochemistry .......................................................................... 1
chapter 18—nuclear chemistry .................................................................................................................. 1
chapter 19—carbon and organic compounds .............................................................................................. 1
chapter 20—biological chemistry ............................................................................................................ 1
, chapter 1—the science of chemistry
multiple choice
1. the state of matter in which a material has neither a definite shape nor a definite volume is the state
.
a. gaseous c. elemental
b. liquid d. solid
ans: a dif: 1 ref: 1 obj: 2
2. under ordinary conditions of temperature and pressure, the particles in a gas are
a. closely packed. c. held in fixed positions.
b. very far from each other. d. unevenly distributed.
ans: b dif: 1 ref: 1 obj: 2
3. a chemical change occurs when
a. dissolved minerals solidify to form a crystal.
b. ethanol is purified through distillation.
c. salt deposits form from evaporated seawater.
d. a leaf changes color.
ans: d dif: 2 ref: 1 obj: 3
4. a physical change occurs when a
a. peach spoils. c. bracelet turns your wrist green.
b. copper bowl tarnishes. d. glue gun melts a glue stick.
ans: d dif: 2 ref: 1 obj: 3
5. nitrogen monoxide and oxygen, both colorless gases, form a red-brown gas when mixed. nitrogen
monoxide and oxygen are called the
a. products. c. synthetics.
b. equilibria. d. reactants.
ans: d dif: 1 ref: 1 obj: 4
6. matter includes all of the following except
a. air. c. smoke.
b. light. d. water vapor.
ans: b dif: 2 ref: 2 obj: 4
7. a measure of the quantity of matter is
a. density. c. volume.
b. weight. d. mass.
ans: d dif: 1 ref: 2 obj: 1
1
, 8. a true statement about mass is that
a. mass is often measured with a spring scale.
b. mass is expressed in pounds.
c. as the force of earth’s gravity on an object increases, the object’s mass increases.
d. mass is determined by comparing the mass of an object with a set of standard masses
that are part of a balance.
ans: d dif: 1 ref: 2 obj: 1
9. the liter is defined as
a. 1000 m3. c. 1000 g3.
b. 1000 cm3. d. 1000 c3.
ans: b dif: 1 ref: 2 obj: 2
10. quantitative observations are recorded using
a. numerical information. c. non-numerical information.
b. a control. d. a system.
ans: a dif: 1 ref: 2 obj: 2
11. which of the following does not describe a measurement standard?
a. measurement standards avoid ambiguity.
b. measurement standards must be unchanging.
c. a standard need not agree with a previously defined size.
d. confusion is eliminated when the correct measurement is applied.
ans: c dif: 1 ref: 2 obj: 2
12. which of the following does not describe a unit?
a. a unit compares what is being measured with a previously defined size.
b. a unit is usually preceded by a number.
c. a unit is not needed to find a solution to a problem.
d. the choice of unit depends on the quantity being measured.
ans: c dif: 1 ref: 2 obj: 2
13. all of the following are examples of units except
a. weight. c. gram.
b. kilometer. d. teaspoon.
ans: a dif: 1 ref: 2 obj: 2
14. which of the following is not an si base unit?
a. kilogram c. liter
b. second d. kelvin
ans: c dif: 1 ref: 2 obj: 2
2
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