a. well-tested unifying principle that explains a body of facts

Copyright Cengage Learning. Poweredby Cognero.Page 1 1.A hypothesis is a _____.

• well-tested unifying principle that explains a body of facts
• set of experiments designed to test a theory
• tentative explanation or predication based upon experimental observations
• set of quantitative data
• concise statement of behavior that is always the same under the same conditions

ANSWER: c

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: True

TOPICS: 1.1 Chemistry and Its Methods

NOTES: Dynamic Question

DATE CREATED: 3/5/2014 6:30 PM

DATE MODIFIED: 1/29/2018 4:02 AM

2.Which of the following statements concerning green chemistry is not correct?

• It is better to prevent waste than to treat or clean up waste after it is formed.
• Synthetic methods should be designed to use and generate substances that possess little or no toxicity to

human health or the environment.

• Substances used in a chemical process should pose minimal risk for accidents.
• Raw materials should be renewable whenever technically and economically practical.
• Chemical syntheses should be done at extremely high temperatures to ensure harmful bacteria are destroyed.

ANSWER: e

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

TOPICS: 1.2 Sustainability and Green Chemistry

DATE CREATED: 3/5/2014 6:30 PM

DATE MODIFIED: 1/29/2018 4:07 AM

3.One of the following is not a description of gases. Which one is it?

• particles far apart
• relatively high densities
• expands infinitely on heating
• fills any container completely
• easily compressed

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: True

TOPICS: 1.3 Classifying Matter

NOTES: Dynamic Question

DATE CREATED: 3/5/2014 6:30 PM

DATE MODIFIED: 3/5/2014 6:30 PM

Chemistry & Chemical Reactivity, 11e John Kotz, Paul Treichel, John Townsend, David Treichel ( Test Bank, All Chapters 100% Original Verified, A+ Grade) Chapter 01 1 / 4

Chapter 01 Copyright Cengage Learning. Powered by Cognero. Page 2 4.Which of the following statements concerning the kinetic-molecular theory of matter is/are CORRECT?

1.Particles in a liquid vibrate back and forth about an average position.

2.Particles in a solid are packed closely together, but are not confined to specific positions.

3.Particles in a gas fly about randomly, colliding with themselves and the walls of their container.

• 1 onlyb. 2 onlyc. 3 onlyd. 1 and 2e. 1, 2, and 3

ANSWER: c

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

TOPICS: 1.3 Classifying Matter

DATE CREATED: 3/5/2014 6:30 PM

DATE MODIFIED: 3/5/2014 6:30 PM

5.Which of the following statements concerning the kinetic-molecular theory of matter is/are correct?

1.Particles in a gas move faster as the temperature increases.

2.Particles in a liquid are packed closely together, but are not confined to specific positions.

3.Particles in a gas vibrate back and forth about their average position.

• 1 only b. 2 onlyc. 3 onlyd. 1 and 2
• 1, 2, and 3

ANSWER: d

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

TOPICS: 1.3 Classifying Matter

DATE CREATED: 3/5/2014 6:30 PM

DATE MODIFIED: 1/29/2018 4:09 AM

Instructions: Use the pictures below to answer question 6:

A) B) C)

D) E)

6.Which of the above figures represents a liquid compound?

• Figure A b. Figure Bc. Figure Cd. Figure D e. Figure E 2 / 4

Chapter 01

Copyright Cengage Learning. Powered by Cognero. Page 3

ANSWER: d

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: True

PREFACE NAME: Matching 1

TOPICS: 1.3 Classifying Matter

1.4 Elements 1.5 Compounds

NOTES: OWL | Dynamic Question

DATE CREATED: 3/5/2014 6:30 PM

DATE MODIFIED: 3/5/2014 6:30 PM

Instructions: Use the figures below to answer questions 7:

A) B) C)

• E)

• Which of the above figures represents a homogeneous mixture?
• Figure E b. Figure A c. Figure B d. Figure C
• Figure D

ANSWER: a

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: True

PREFACE NAME: Matching 2

TOPICS: 1.3 Classifying Matter

1.4 Elements 1.5 Compounds

NOTES: OWL | Dynamic Question

DATE CREATED: 1/29/2018 4:18 AM

DATE MODIFIED: 1/29/2018 4:41 AM

Instructions: Use the pictures below to answer question 8:

A) B) C) 3 / 4

Chapter 01

Copyright Cengage Learning. Powered by Cognero. Page 4

D) E)

• Which of the above figure represents a mixture of two elements?
• Figure A b. Figure B c. Figure C d. Figure D e. Figure E

ANSWER: d

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

PREFACE NAME: Matching 3

TOPICS: 1.3 Classifying Matter

1.4 Elements 1.5 Compounds

NOTES: OWL

DATE CREATED: 3/5/2014 6:30 PM

DATE MODIFIED: 3/5/2014 6:30 PM

• Which one of the following statements is correct?
• A pure substance may be separated by filtration or distillation into two or more components.
• A heterogeneous mixture is also known as a solution.
• A heterogeneous mixture is composed of two or more substances in the same phase.
• The composition is uniform throughout a homogeneous mixture.
• The combination of a liquid and a solid always results in a heterogeneous mixture.

ANSWER: d

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

TOPICS: 1.3 Classifying Matter

DATE CREATED: 3/5/2014 6:30 PM

DATE MODIFIED: 3/5/2014 6:30 PM

• Which of the following is not a mixture?
• soda
• skim milk
• wine
• cow manure
• graphite

ANSWER: e

POINTS: 1

QUESTION TYPE: Multiple Choice

HAS VARIABLES: True

• / 4