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SciencebackChemistrybackIntroductory / Preparatory ChemistrybackChemistry An Introduction to General Organic and Biological ChemistrybackPractice Set 2498back

Chemistry And Measurement

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Question 1
Free
Multiple Choice

The amount of space occupied by a substance is its ________ .

Choose correct answer/s
A

mass

B

density

C

weight

D

length

E

volume

Check answer
Question 2
Free
Multiple Choice

Which of the following is the basic unit of volume in the metric system?

Choose correct answer/s
A

liter

B

kilogram

C

meter

D

centimeter

E

gram

Check answer
Question 3
Free
Multiple Choice

Which of the following is a measurement of mass in the metric system?

Choose correct answer/s
A

milliliter

B

centimeter

C

kilogram

D

Celsius

E

meter

Check answer
Question 4
Free
Multiple Choice

A value of 25 °C is a measurement of ________ .

Choose correct answer/s
A

length

B

volume

C

temperature

D

mass

E

density

Check answer
Question 5
Free
Multiple Choice

A value of 36 mL is a measure of ________ .

Choose correct answer/s
A

density

B

mass

C

temperature

D

volume

E

length

Check answer
Question 6
Multiple Choice

A value of 345 mm is a measure of ________ .

Choose correct answer/s
A
density
B
mass
C
temperature
D
volume
E
length
To unlock the question
Question 7
Multiple Choice

The measurement of the gravitational pull on an object is its ________ .

Choose correct answer/s
A
volume
B
weight
C
mass
D
length
E
size
To unlock the question
Question 8
Multiple Choice

Which of the following measurements has three significant figures?

Choose correct answer/s
A
0.005 m
B
510 m
C
0.510 m
D
0.051 m
E
5100 m
To unlock the question
Question 9
Multiple Choice

Which of the following numbers contains the designated correct number of significant figures?

Choose correct answer/s
A
0.04300 5 significant figures
B
0.00302 2 significant figures
C
156 000 3 significant figures
D
1.04 2 significant figures
E
3.0650 4 significant figures
To unlock the question
Question 10
Multiple Choice

The number of significant figures in the measurement of 45.030 mm is ________ .

Choose correct answer/s
A
none
B
three
C
four
D
five
E
six
To unlock the question
Question 11
Multiple Choice

How many significant figures are in the number 0.00208?

Choose correct answer/s
A
six
B
two
C
three
D
four
E
five
To unlock the question
Question 12
Multiple Choice

Which of the following examples illustrates a number that is correctly rounded to three significant figures?

Choose correct answer/s
A
4.05438 g to 4.054 g
B
0.03954 g to 0.040 g
C
103.692 g to 103.7 g
D
109 526 g to 109 500 g
E
20.0332 g to 20.0 g
To unlock the question
Question 13
Multiple Choice

A calculator answer of 423.6059 must be rounded off to three significant figures.What answer is reported?

Choose correct answer/s
A
423
B
424
C
1.7420
D
423.6
E
423.7
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Question 14
Multiple Choice

Which of the answers for the following conversions contains the correct number of significant figures?

Choose correct answer/s
A
2.543 m × image = 100.1942 in.
B
2 L × image = 2.12 qt
C
24.95 min × image = 0.4158 hr
D
12.0 ft × image × image = 370 cm
E
24.0 kg × image = 11 lb
To unlock the question
Question 15
Multiple Choice

What is the correct answer for the calculation of a volume (in mL)with measured numbers image ?

Choose correct answer/s
A
0.22 mL
B
0.223 mL
C
57 mL
D
14 mL
E
14.3 mL
To unlock the question
Question 16
Multiple Choice

When 2610 + 11.7 + 0.22 are added,the answer to the correct number of decimal places is ________ .

Choose correct answer/s
A
2621.92
B
2621.9
C
2621
D
2620
E
2600
To unlock the question
Question 17
Multiple Choice

What is the answer,with the correct number of decimal places,for this problem? 4.392 g + 102.40 g + 2.51 g =

Choose correct answer/s
A
109.302 g
B
109 g
C
109.3 g
D
109.30 g
E
110 g
To unlock the question
Question 18
Multiple Choice

The correct answer for the addition of 7.5 g + 2.26 g + 1.311 g + 2 g is ________ .

Choose correct answer/s
A
13.071 g
B
13 g
C
13.0 g
D
10 g
E
13.1 g
To unlock the question
Question 19
Multiple Choice

In which of the following is the metric unit paired with its correct abbreviation?

Choose correct answer/s
A
microgram / mg
B
milliliter / mL
C
centimeter / km
D
kilogram / cg
E
gram / gm
To unlock the question
Question 20
Multiple Choice

Which of the following is the largest unit?

Choose correct answer/s
A
millimeter
B
micrometer
C
meter
D
decimeter
E
kilometer
To unlock the question