Test Bank all Chapter

Chemistry, The Molecular Science, 5e John Moore, Conrad Stanitski

(Test Bank all Chapter)

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Chapter 1: The Nature of Chemistry

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• Modern research requires
• communication skills
• collaboration skills
• knowledge in a particular field
• a willingness to think about the world
• 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:

• knowing what makes up a reacting atom.
• knowing what atoms make up a reacting molecule.
• knowing how atoms in a reacting molecule are connected together.
• having a mental picture of how reacting molecules interact with each other.
• both a and b.

ANSWER: d

POINTS: 1

TOPICS: 1.1 Why Care About Chemistry?

OTHER: Comprehension

NOTES: Grasp meaning

• Removing arsenic from drinking water requires
• knowledge of arsenic’s chemical behavior
• patent’s to protect consumers
• knowledge of arsenic’s chemical toxicity
• medical histories of consumers
• knowledge of the history of the water source

ANSWER: a

POINTS: 1

TOPICS: 1.2 Cleaning Drinking Water

OTHER: Comprehension

NOTES: Grasp meaning

• Which of the following is a qualitative statement?
• Water is a molecule composed of hydrogen and oxygen atoms.
• The density of ice at 0°C is 0.917 g/mL.
• A can of soda has a volume of 355 mL.
• A necklace is 58.3% gold.
• The melting point of lead is 327.5°C.

ANSWER: a

POINTS: 1 2 / 4

Chapter 1: The Nature of Chemistry

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TOPICS: 1.3 How Science is Done

OTHER: Comprehension

NOTES: Grasp meaning

• Which of the following contains both a quantitative and a qualitative information?
• The compound has a mass of 14.62 g.
• The compound formed pale yellow crystals.
• The drug is 92.5% pure.
• The reaction produced 112 g of a pure white solid.
• The compound melted.

ANSWER: d

POINTS: 1

TOPICS: 1.3 How Science is Done

OTHER: Comprehension

NOTES: Grasp meaning

6. A law is a:

• unifying principle that explains a body of facts.
• statement summarizing a group of scientific facts.
• possible explanation of observations.
• theory based solely on qualitative observations.
• 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

• What is a possible explanation of observations called?
• model
• theory
• hypothesis
• qualitative statement
• 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:

• hypothesis.
• qualitative statement.
• law. 3 / 4

Chapter 1: The Nature of Chemistry

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• theory.
• 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:

• qualitative statement.
• hypothesis.
• model.
• law.
• quantitative statement.

ANSWER: e

POINTS: 1

TOPICS: 1.3 How Science is Done

OTHER: Knowledge

NOTES: Knowledge of major ideas

• In science, a model is useful because it
• confirms the validity of a theory
• makes a theory more concrete
• predicts which theories are correct
• confirms the existence of molecules
• makes assumptions about things we can’t see

ANSWER: b

POINTS: 1

TOPICS: 1.3 How Science is Done

OTHER: Comprehension

NOTES: Predict consequences

• The freezing point and boiling point of water are often used to calibrate thermometers. Give those temperatures in

degrees Celsius.

• 273°C and 373°C
• 100°C and 273°C
• 32°C and 212°C
• 0°C and 100°C
• 0°C and 373°C

ANSWER: d

POINTS: 1

TOPICS: 1.4 Identifying Matter: Physical Properties

OTHER: Knowledge

NOTES: Knowledge of major ideas

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