Zumdahl
Table of Contents
1. Chemistry: An Introduction
2. Measurements and Calculations
3. Matter
4. Chemical Foundations: Elements, Atoms, and Ions
5. Nomenclature
6. Chemical Reactions: An Introduction
7. Reactions in Aqueous Solutions
8. Chemical Composition
9. Chemical Quantities
10.Energy
11.Modern Atomic Theory
12.Chemical Bonding
13.Gases
14.Liquids and Solids
15.Solutions
16.Acids and Bases
17.Equilibrium
18.Oxidation–Reduction Reactions and Electrochemistry
19.Radioactivity and Nuclear Energy
20.Organic Chemistry
21.Biochemistry
,Chapter 01 - Chemistry: An Introduction
1. Define the following terms:
a. science
b. chemistry
ANS:
a. Science - a framework for gaining and organizing knowledge. It is a procedure for
processing and understanding certain information.
b. Chemistry - the science that deals with the matter of the universe and the changes it can
undergo.
PTS: 1 DIF: easy TOP: general concepts | definition of chemistry
MSC: general chemistry
2. Define the following terms:
a. scientific method
b. natural law
c. hypothesis
d. theory
ANS:
a. Scientific method - the process or steps of scientific inquiry.
b. Natural law - a statement describing observed behavior.
c. Hypothesis - a possible explanation for an observation.
d. Theory - a set of testsed hypotheses that gives an explanation for some behavior or
observation (also called a model).
PTS: 1 DIF: easy TOP: general concepts | scientific method
KEY: hypothesis | theory MSC: general chemistry
3. Which of the following is not a step in the scientific method?
a. Make an observation.
b. Formulate a hypothesis.
c. Perform an experiment.
d. Change results to agree with your hypothesis.
e. Develop a theory (or model).
ANS: D PTS: 1 DIF: easy
TOP: general concepts | scientific method MSC: general chemistry
4. A is a summary of observed behavior, and a is an explanation of
behavior.
a. law, measurement
b. theory, scientific method
c. theory, law
d. law, theory
e. hypothesis, theory
ANS: D PTS: 1 DIF: easy
TOP: general concepts | scientific method KEY: theory | law
,MSC: general chemistry
, Chapter 02 - Measurements and Calculations
1. Express 1840000 in scientific notation.
a. 5.41 10–8
b. 1.84 10–6
c. 1.84 106
d. 184 106
e. 184 104
ANS: C PTS: 1 DIF: easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC: general chemistry
2. Express 30523000 in scientific notation.
a. 3 107
b. 3.0523 107
c. 305 107
d. 30523 103
e. 305230 107
ANS: B PTS: 1 DIF: easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC: general chemistry
3. Write 8,394 in standard scientific notation.
a. 8394
b. 8.394 10–3
c. 839.4 101
d. 8.394 1000
e. 8.394 103
ANS: E PTS: 1 DIF: easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC: general chemistry
4. The number 0.00003009 expressed in exponential notation is
a. 3.009 10–5
b. 3.0 10–5
c. 3.009 105
d. 3.009 10–4
e. 3.009
ANS: A PTS: 1 DIF: easy
TOP: general concepts | measurement KEY: significant figures | scientific notation
MSC: general chemistry
5. The number 0.002 expressed in exponential notation is
a. 2 103
b. 2 104
c. 2 10–3
d. 2 10–4
e. none of these