Exam (elaborations)
Chemistry for Today General Organic and Biochemistry 9th Edition By - Seager
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- Chemistry,
- Institution
- Chemistry,
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,Chapter 01 - Matter, Measurements, and Calculations1. The mass of an object is
a. the force between the object and the earth.
b. a measure of the amount of matter in the object.
c. the amount of space the object occupies.
d. depends on the location of the object on the earth.
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
2. Any two objects are attracted to each other by _____ .
a. gravity b. electrostatic forces
c. magnetism d. all of them
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
3. How is the weight of an object influenced when the gravitational force on the object is increased?
a. it decreases b. it increases
c. it is unchanged d. it equals the mass
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
4. The weight of an object is
a. a measure of the gravitational force pulling the object toward the earth.
b. equal to the mass of the matter in the object.
c. a measure of the space occupied by the object.
d. the same at any location on the earth.
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
5. The fact that gold does not corrode is a ______ property
Copyright Cengage Learning. Powered by Cognero. Page 1
,Chapter 01 - Matter, Measurements, and Calculations
a. physical b. personal c. real d. chemical
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
6. Which of the following represents a physical change in matter?
a. A substance solidifies at 443 K.
b. A substance produces a gas and a solid when heated.
c. A substance burns when heated.
d. A substance changes color when exposed to air.
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
7. The melting of ice to liquid water is correctly classified as
a. a chemical change.
b. a physical change.
c. both a chemical and a physical change.
d. neither a chemical nor physical change.
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
8. Which of the following is a physical property of matter?
a. it does not burn
b. produces a gas when placed in an acid
c. freezes at −10°F
d. the surface turns black in air
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
Copyright Cengage Learning. Powered by Cognero. Page 2
, Chapter 01 - Matter, Measurements, and Calculations
9. Which of the following is a chemical property of matter?
a. color b. density
c. freezing point d. flammability
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
10. As two clear liquid solutions are thoroughly mixed, a red solid forms. This change is most likely
_____ .
a. physical. b. chemical.
c. neither chemical nor physical. d. both chemical and physical.
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
11. The limit of chemical subdivision of an element is the _____ .
a. atom b. molecule c. proton d. compound
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
12. Which of the following substances are composed of heteroatomic molecules?
a. an iron nail b. oxygen c. copper wire d. water
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
13. A molecule represented by O-O-O must be classified as
a. homoatomic and polyatomic. b. homoatomic and monoatomic.
c. heteroatomic and polyatomic. d. heteroatomic and monoatomic.
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
Copyright Cengage Learning. Powered by Cognero. Page 3
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