Lesson 1 Quiz
Part 1 of 4 - Part 01 24.0/ 24.0 Points
Question 1 of 25
4..0 Points
Consider the numbers 23.68 and 4.12. The sum of these numbers has significant figures,
and the product of these numbers has significant figures.
•
A. none of these
•
B. 3, 3
•
C. 4, 4
•
D. 3, 4
•
E. 4, 3
Feedback: See Chapter 1
Question 2 of 25
4.0/ 4.0 Points
The state of matter for an object that has both definite volume and definite shape is
•
A.
solid state
•
B.
liquid state
•
C.
gaseous state
•
D.
elemental state
, Lesson 1 Quiz
Feedback:
See Chapter 01
Question 3 of 25
4.0/ 4.0 Points
Dry ice (carbon dioxide) changes from a solid to a gas at –78.5°C. What is this temperature in
°F?
•
A.
–173°F
•
B.
–12.6°F
•
C. none of them are within 2°F of the right answer.
•
D.
–75.6°F
•
E.
–109°F
Feedback: See Chapter 01
Question 4 of 25
4.0/ 4.0 Points
The melting point of picolinic acid is 136.5°C. What is the melting point of picolinic acid on the
Fahrenheit scale?
•
A.
277.7 °F
•
B.
107.8 °F
•
C.
245.7 °F
, Lesson 1 Quiz
•
D.
409.5 °F
•
E.
168.5 °F
Feedback:
See Chapter 01
Question 5 of 25
4.0/ 4.0 Points
The winner of the men's 1500-meter speed skating event at a recent Winter Olympics had a
time of 1:45.57. Assuming that the distance was measured accurately to five significant figures,
what was the skater's average speed in miles per hour?
•
A.
51.151 mi/hr
•
B.
38.418 mi/hr
•
C.
61.826 mi/hr
•
D.
31.785 mi/hr
Feedback:
See Chapter 01
Question 6 of 25
4.0/ 4.0 Points
A piece of antimony with a mass of 17.41 g is submerged in 46.3 cm of water in a graduated
3
cylinder. The water level increases to 48.9 cm . The correct value for the density of
3
antimony from these data is:
•
, Lesson 1 Quiz
A.
0.15 g/cm 3
•
B.
0.356 g/cm 3
•
C.
2.81 g/cm 3
•
D.
6.7 g/cm 3
•
E.
6.697 g/cm 3
Feedback:
See Chapter 01
Part 2 of 4 - Part 02 24.0/ 24.0 Points
Question 7 of 25
4..0 Points
The statement, "In a chemical reaction, matter is neither created nor destroyed" is called
•
A. The Law of Conservation of Mass
•
B. Dalton's Atomic Theory
•
C. The Law of Multiple Proportions
•
D. The Law of Definite Proportions
•
E. The Scientific Method
Feedback: See Chapter 1
Question 8 of 25
4.0/ 4.0 Points
Part 1 of 4 - Part 01 24.0/ 24.0 Points
Question 1 of 25
4..0 Points
Consider the numbers 23.68 and 4.12. The sum of these numbers has significant figures,
and the product of these numbers has significant figures.
•
A. none of these
•
B. 3, 3
•
C. 4, 4
•
D. 3, 4
•
E. 4, 3
Feedback: See Chapter 1
Question 2 of 25
4.0/ 4.0 Points
The state of matter for an object that has both definite volume and definite shape is
•
A.
solid state
•
B.
liquid state
•
C.
gaseous state
•
D.
elemental state
, Lesson 1 Quiz
Feedback:
See Chapter 01
Question 3 of 25
4.0/ 4.0 Points
Dry ice (carbon dioxide) changes from a solid to a gas at –78.5°C. What is this temperature in
°F?
•
A.
–173°F
•
B.
–12.6°F
•
C. none of them are within 2°F of the right answer.
•
D.
–75.6°F
•
E.
–109°F
Feedback: See Chapter 01
Question 4 of 25
4.0/ 4.0 Points
The melting point of picolinic acid is 136.5°C. What is the melting point of picolinic acid on the
Fahrenheit scale?
•
A.
277.7 °F
•
B.
107.8 °F
•
C.
245.7 °F
, Lesson 1 Quiz
•
D.
409.5 °F
•
E.
168.5 °F
Feedback:
See Chapter 01
Question 5 of 25
4.0/ 4.0 Points
The winner of the men's 1500-meter speed skating event at a recent Winter Olympics had a
time of 1:45.57. Assuming that the distance was measured accurately to five significant figures,
what was the skater's average speed in miles per hour?
•
A.
51.151 mi/hr
•
B.
38.418 mi/hr
•
C.
61.826 mi/hr
•
D.
31.785 mi/hr
Feedback:
See Chapter 01
Question 6 of 25
4.0/ 4.0 Points
A piece of antimony with a mass of 17.41 g is submerged in 46.3 cm of water in a graduated
3
cylinder. The water level increases to 48.9 cm . The correct value for the density of
3
antimony from these data is:
•
, Lesson 1 Quiz
A.
0.15 g/cm 3
•
B.
0.356 g/cm 3
•
C.
2.81 g/cm 3
•
D.
6.7 g/cm 3
•
E.
6.697 g/cm 3
Feedback:
See Chapter 01
Part 2 of 4 - Part 02 24.0/ 24.0 Points
Question 7 of 25
4..0 Points
The statement, "In a chemical reaction, matter is neither created nor destroyed" is called
•
A. The Law of Conservation of Mass
•
B. Dalton's Atomic Theory
•
C. The Law of Multiple Proportions
•
D. The Law of Definite Proportions
•
E. The Scientific Method
Feedback: See Chapter 1
Question 8 of 25
4.0/ 4.0 Points
