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Test Bank for Chemistry The Molecular Science 5th Edition by John W. Moore -

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Chapter 1: The Nature of Chemistry 1. Modern research requires a. communication skills b. collaboration skills c. knowledge in a particular field d. a willingness to think about the world e. all of the choices above e 1 1.1 Why Care About Chemistry? Comprehension Grasp meaning 2. For a c...

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  • September 23, 2023
  • 478
  • 2022/2023
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  • chemistry test bank
  • test bank fchemistry the molecular science
  • the molecular science 5th edition by john
  • complete test bank with answers

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,Chapter 1: The Nature of Chemistry
1. Modern research requires
a. communication skills
b. collaboration skills
c. knowledge in a particular field
d. a willingness to think about the world
e. all of the choices above
ANSWER: e
POINTS: 1
TOPICS: 1.1 Why Care About Chemistry?
OTHER: Comprehension
NOTES: Grasp meaning

2. For a chemist, understanding a chemical reaction means:
a. knowing what makes up a reacting atom.
b. knowing what atoms make up a reacting molecule.
c. knowing how atoms in a reacting molecule are connected together.
d. having a mental picture of how reacting molecules interact with each other.
e. both a and b.
ANSWER: d
POINTS: 1
TOPICS: 1.1 Why Care About Chemistry?
OTHER: Comprehension
NOTES: Grasp meaning

3. Removing arsenic from drinking water requires
a. knowledge of arsenic’s chemical behavior
b. patent’s to protect consumers
c. knowledge of arsenic’s chemical toxicity
d. medical histories of consumers
e. knowledge of the history of the water source
ANSWER: a
POINTS: 1
TOPICS: 1.2 Cleaning Drinking Water
OTHER: Comprehension
NOTES: Grasp meaning

4. Which of the following is a qualitative statement?
a. Water is a molecule composed of hydrogen and oxygen atoms.
b. The density of ice at 0°C is 0.917 g/mL.
c. A can of soda has a volume of 355 mL.
d. A necklace is 58.3% gold.
e. The melting point of lead is 327.5°C.
ANSWER: a
POINTS: 1
Copyright Cengage Learning. Powered by Cognero. Page 1

,Chapter 1: The Nature of Chemistry
TOPICS: 1.3 How Science is Done
OTHER: Comprehension
NOTES: Grasp meaning

5. Which of the following contains both a quantitative and a qualitative information?
a. The compound has a mass of 14.62 g.
b. The compound formed pale yellow crystals.
c. The drug is 92.5% pure.
d. The reaction produced 112 g of a pure white solid.
e. The compound melted.
ANSWER: d
POINTS: 1
TOPICS: 1.3 How Science is Done
OTHER: Comprehension
NOTES: Grasp meaning

6. A law is a:
a. unifying principle that explains a body of facts.
b. statement summarizing a group of scientific facts.
c. possible explanation of observations.
d. theory based solely on qualitative observations.
e. statement that includes a measurement or number.
ANSWER: b
POINTS: 1
TOPICS: 1.3 How Science is Done
OTHER: Knowledge
NOTES: Knowledge of major ideas

7. What is a possible explanation of observations called?
a. model
b. theory
c. hypothesis
d. qualitative statement
e. law
ANSWER: c
POINTS: 1
TOPICS: 1.3 How Science is Done
OTHER: Knowledge
NOTES: Knowledge of major ideas

8. A unifying principle that explains a body of facts is a:
a. hypothesis.
b. qualitative statement.
c. law.

Copyright Cengage Learning. Powered by Cognero. Page 2

, Chapter 1: The Nature of Chemistry
d. theory.
e. model.
ANSWER: d
POINTS: 1
TOPICS: 1.3 How Science is Done
OTHER: Knowledge
NOTES: Knowledge of major ideas

9. A statement that includes a measurement or number is a:
a. qualitative statement.
b. hypothesis.
c. model.
d. law.
e. quantitative statement.
ANSWER: e
POINTS: 1
TOPICS: 1.3 How Science is Done
OTHER: Knowledge
NOTES: Knowledge of major ideas

10. In science, a model is useful because it
a. confirms the validity of a theory
b. makes a theory more concrete
c. predicts which theories are correct
d. confirms the existence of molecules
e. makes assumptions about things we can’t see
ANSWER: b
POINTS: 1
TOPICS: 1.3 How Science is Done
OTHER: Comprehension
NOTES: Predict consequences

11. The freezing point and boiling point of water are often used to calibrate thermometers. Give those temperatures in
degrees Celsius.
a. 273°C and 373°C
b. 100°C and 273°C
c. 32°C and 212°C
d. 0°C and 100°C
e. 0°C and 373°C
ANSWER: d
POINTS: 1
TOPICS: 1.4 Identifying Matter: Physical Properties
OTHER: Knowledge
NOTES: Knowledge of major ideas
Copyright Cengage Learning. Powered by Cognero. Page 3

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