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Test Bank For Introductory Chemistry 8th Edition by Steven S. Zumdahl

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Name Clas Dat : s: e: Chapter 01 - Chemistry: An Introduction 1. Define the following terms: a. science b. chemistry ANSWER: a. Science - a framework for gaining and organizing knowledge. It is a procedure for processing and understanding certain information. b. Chemistry - the science that ...

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  • September 23, 2023
  • 393
  • 2022/2023
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  • test bank for chemistry
  • test bank for introductory chemistry
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,Name Clas Dat
: s: e:

Chapter 01 - Chemistry: An Introduction
1. Define the following terms:
a. science
b. chemistry
ANSWER: 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.

2. Define the following terms:
a. scientific method
b. natural law
c. hypothesis
d. theory
ANSWER: 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).

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).
ANSWER: d

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
ANSWER: d

5. Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is
called a(n)
a. observation
b. measurement
c. theory
d. natural law
e. experiment
ANSWER: d

Copyright Cengage Learning. Powered by Cognero. Page 1

,Name Clas Dat
: s: e:

Chapter 01 - Chemistry: An Introduction
6. The statement “The total mass of materials is not affected by a chemical change in those materials” is called
a(n)
a. observation
b. measurement
c. theory
d. natural law
e. experiment
ANSWER: d

7. A set of tested hypotheses than gives an overall explanation of some part of nature, is called a(n)
a. observation
b. measurement
c. theory
d. natural law
e. experiment
ANSWER: c

8. Something done to test a hypothesis that produces new observations is called a(n)
a. observation
b. measurement
c. theory
d. natural law
e. experiment
ANSWER: e

9. A quantitative observation
a. contains a number and a unit
b. does not contain a number
c. always makes a comparison
d. must be obtained through experimentation
e. is none of these
ANSWER: a

10. Which of the following is an example of a quantitative observation?
a. The piece of metal is longer than the piece of wood.
b. Solution 1 is much darker than solution 2.
c. The liquid in beaker A is blue.
d. The temperature of the liquid is 60°C.
e. At least two of the above (A-D) are quantitative observations.
ANSWER: d

Copyright Cengage Learning. Powered by Cognero. Page 2

, Name Clas Dat
: s: e:

Chapter 01 - Chemistry: An Introduction




Copyright Cengage Learning. Powered by Cognero. Page 3

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