,
,
,
,
,Chapter 01 - Matter, Measurements, and Calculations
a. It is an element b. It is a compound
c. It is either an element or compound d. Impossible to predict
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
19. Two pure substances A and B react to form a new pure substance C. From this, we may conclude
that
a. A and B are both elements
b. C is a compound, A and B may or may not be elements
c. C is an element, A and B are compounds
d. A, B, and C are all compounds
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
20. Which of the following is an example of a homogeneous mixture?
a. NaOH solution
b. mortar (mixture of water, sand and cement)
c. vinegar and oil salad dressing
d. more than one response is correct
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
21. Which of the following consists of a single chemical species?
a. solution b. homogeneous mixture
c. heterogeneous mixture d. compound
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
22. Early measurements of length were based on
Copyright Cengage Learning. Powered by Cognero. Page 5
,Chapter 01 - Matter, Measurements, and Calculations
a. dimensions of astronomical bodies. b. dimensions of the human body.
c. dimensions of bodies of water. d. distances between cities.
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
23. The metric system is a measurement system that is
a. the official system for all nations of the world.
b. only used by a few of the nations of the world.
c. commonly used by U.S. physical scientists.
d. used exclusively in chemical calculations.
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
24. The basic unit of length in the metric system is the _____ .
a. mil b. millimeter c. foot d. meter
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
25. Which of the following is an SI unit?
a. gram b. liter c. meter d. calorie
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
26. The prefix centi- denotes what fraction of a basic unit?
a. 1/10 b. 1/100 c. 1/1000 d. 1000
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
Copyright Cengage Learning. Powered by Cognero. Page 6
,Chapter 01 - Matter, Measurements, and Calculations
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
27. Which of the following is a derived unit of the S.I. system?
a. kilogram b. meter c. liter d. mole
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
28. Convert a temperature of 76°F to a Celsius value.
a. 10 b. 24 c. 44 d. 169
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
29. Which of the following numbers is correctly expressed using scientific notation?
a. 3489 b. 5.248 × 104 c. 45.78 × 106 d. .0987 × 103
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
30. Do the following calculation and express the answer using correct scientific notation.
2 7
______ = (2.97 × 10 ) × (6.09 × 10− )
a. 5.53 × 103 b. 1.81 × 10−4 c. 4.88 × 108 d. 2.05 × 10−9
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
31. Do the following calculation, and express the answer using correct scientific notation.
23
______ = (6.00 × 10 ) × (3.00) / (284)
a. 6.34 × 1021 b. 1.58 × 10−22 c. 6.34 × 10−2 d. 15.8
Copyright Cengage Learning. Powered by Cognero. Page 7
,Chapter 01 - Matter, Measurements, and Calculations
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
32. The number 0.00816 expressed correctly using scientific notation is _____ .
a. 8.16 × 102 b. 8.16 × 103 c. 8.16 × 10−2 d. 8.16 × 10−3
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
33. How many significant figures are justified in a measurement of a length that is between 9 and 10
centimeters if the measuring device (ruler) has smallest divisions of 0.1 cm?
a. one b. two c. three d. four
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
34. How many significant figures are used in expressing a measurement as 0.2503 L?
a. one b. two c. three d. four
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
35. Which number has the greatest number of significant digits?
a. 1.0035 b. 17.5000 c. 0.0000625 d. 6.022 × 1023
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
Copyright Cengage Learning. Powered by Cognero. Page 8
, Chapter 01 - Matter, Measurements, and Calculations
36. Do the following calculation and express the answer using the correct number of significant
figures. ______ = (342) × (0.0012) ÷ 100.0
a. 0.00410 b. 0.0041 c. 4.10 × 10−3 d. 0.004104
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
37. Do the following calculation. How many significant figures are justified for the answer? ______=
6.02 + 5.119 + 0.04218
a. three b. four c. five d. seven
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
38. A furnace delivers 8.0 × 10 BTU per hour. How many kilocalories per hour is this?
(hint: 1 cal = 0.00397 BTU)
a. 5 b. 2
3.2 × 10− kcal 3.2 × 10 kcal
c. 4 d. 2
2.0 × 10 kcal 2.5 × 10 kcal
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
39. Which of the following set-ups will allow you to calculate the cost of fruit in dollars per gram, if the
price is given as 0.79 dollars per pound?
a. b.
c. d.
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
Copyright Cengage Learning. Powered by Cognero. Page 9
,
,
,
,Chapter 01 - Matter, Measurements, and Calculations
a. It is an element b. It is a compound
c. It is either an element or compound d. Impossible to predict
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
19. Two pure substances A and B react to form a new pure substance C. From this, we may conclude
that
a. A and B are both elements
b. C is a compound, A and B may or may not be elements
c. C is an element, A and B are compounds
d. A, B, and C are all compounds
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
20. Which of the following is an example of a homogeneous mixture?
a. NaOH solution
b. mortar (mixture of water, sand and cement)
c. vinegar and oil salad dressing
d. more than one response is correct
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
21. Which of the following consists of a single chemical species?
a. solution b. homogeneous mixture
c. heterogeneous mixture d. compound
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
22. Early measurements of length were based on
Copyright Cengage Learning. Powered by Cognero. Page 5
,Chapter 01 - Matter, Measurements, and Calculations
a. dimensions of astronomical bodies. b. dimensions of the human body.
c. dimensions of bodies of water. d. distances between cities.
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
23. The metric system is a measurement system that is
a. the official system for all nations of the world.
b. only used by a few of the nations of the world.
c. commonly used by U.S. physical scientists.
d. used exclusively in chemical calculations.
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
24. The basic unit of length in the metric system is the _____ .
a. mil b. millimeter c. foot d. meter
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
25. Which of the following is an SI unit?
a. gram b. liter c. meter d. calorie
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
26. The prefix centi- denotes what fraction of a basic unit?
a. 1/10 b. 1/100 c. 1/1000 d. 1000
ANSWER: b
POINTS: 1
QUESTION TYPE: Multiple Choice
Copyright Cengage Learning. Powered by Cognero. Page 6
,Chapter 01 - Matter, Measurements, and Calculations
HAS VARIABLES: False
DATE CREATED: 3/4/2016 3:37 PM
DATE MODIFIED: 3/4/2016 3:37 PM
27. Which of the following is a derived unit of the S.I. system?
a. kilogram b. meter c. liter d. mole
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
28. Convert a temperature of 76°F to a Celsius value.
a. 10 b. 24 c. 44 d. 169
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
29. Which of the following numbers is correctly expressed using scientific notation?
a. 3489 b. 5.248 × 104 c. 45.78 × 106 d. .0987 × 103
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
30. Do the following calculation and express the answer using correct scientific notation.
2 7
______ = (2.97 × 10 ) × (6.09 × 10− )
a. 5.53 × 103 b. 1.81 × 10−4 c. 4.88 × 108 d. 2.05 × 10−9
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
31. Do the following calculation, and express the answer using correct scientific notation.
23
______ = (6.00 × 10 ) × (3.00) / (284)
a. 6.34 × 1021 b. 1.58 × 10−22 c. 6.34 × 10−2 d. 15.8
Copyright Cengage Learning. Powered by Cognero. Page 7
,Chapter 01 - Matter, Measurements, and Calculations
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
32. The number 0.00816 expressed correctly using scientific notation is _____ .
a. 8.16 × 102 b. 8.16 × 103 c. 8.16 × 10−2 d. 8.16 × 10−3
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
33. How many significant figures are justified in a measurement of a length that is between 9 and 10
centimeters if the measuring device (ruler) has smallest divisions of 0.1 cm?
a. one b. two c. three d. four
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
34. How many significant figures are used in expressing a measurement as 0.2503 L?
a. one b. two c. three d. four
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
35. Which number has the greatest number of significant digits?
a. 1.0035 b. 17.5000 c. 0.0000625 d. 6.022 × 1023
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
Copyright Cengage Learning. Powered by Cognero. Page 8
, Chapter 01 - Matter, Measurements, and Calculations
36. Do the following calculation and express the answer using the correct number of significant
figures. ______ = (342) × (0.0012) ÷ 100.0
a. 0.00410 b. 0.0041 c. 4.10 × 10−3 d. 0.004104
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
37. Do the following calculation. How many significant figures are justified for the answer? ______=
6.02 + 5.119 + 0.04218
a. three b. four c. five d. seven
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
38. A furnace delivers 8.0 × 10 BTU per hour. How many kilocalories per hour is this?
(hint: 1 cal = 0.00397 BTU)
a. 5 b. 2
3.2 × 10− kcal 3.2 × 10 kcal
c. 4 d. 2
2.0 × 10 kcal 2.5 × 10 kcal
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
39. Which of the following set-ups will allow you to calculate the cost of fruit in dollars per gram, if the
price is given as 0.79 dollars per pound?
a. b.
c. d.
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
Copyright Cengage Learning. Powered by Cognero. Page 9
