Question 1

What is the volume of a container that contains 14.3 g of a substance having a density of 0.988 g/cm3?

Accepted Answer

A)  14.1 cm3
B)  0.0691 cm3
C)  14.5 cm3
D)  141 cm3
E)  691 cm3

Question 2

The dark meat of a 20-pound turkey requires an internal temperature of 180°F to be fully cooked.What minimum temperature reading should be displayed on a food thermometer that only measures in degrees Celsius?

Accepted Answer

A)  82°C
B)  354°C
C)  261°C
D)  −192°C
E)  −310°C

Question 3

What unit would be most appropriate when reporting the volume 5.23 × 10−6 L?

Accepted Answer

A)  mL
B)  μL
C)  kL
D)  dL
E)  ML

Question 4

How many milliliters is 0.0055 L?

Accepted Answer

A)  0.55 mL
B)  5.5 mL
C)  0.5 mL
D)  0.0000055 mL
E)  182 mL

Question 5

If a patient in the hospital is running a temperature of 39.5°C, what is this in degrees Fahrenheit?

Accepted Answer

A)  99°F
B)  101.3°F
C)  102.4°F
D)  103.1°F
E)  104°F

Question 6

Select the answer with the correct number of decimal places for the following sum: 13.914 cm + 243.1 cm + 12.00460 cm =

Accepted Answer

A)  269.01860 cm
B)  269.0186 cm
C)  269.019 cm
D)  269.02 cm
E)  269.0 cm

Question 7

If the temperature is 38.0°F then what is the temperature in kelvins?

Accepted Answer

A)  3.33 K
B)  100.4 K
C)  276.5 K
D)  311.15 K
E)  235.15 K C

Question 8

How many inches are in 382.5 cm? (1 in = 2.54 cm) ?

Accepted Answer

A)  150.6 in
B)  6.641 × 10−3 in
C)  151 in
D)  971.6 in
E)  972 in

Question 9

If an electron has an acceleration of 2.33 × 102 m/sec2, what is this value in units of m/min2?

Accepted Answer

A)  1.40 × 104 m/min2
B)  3.88 m/min2
C)  2.33 × 103 m/min2
D)  6.47 × 10−2 m/min2
E)  8.39 × 105 m/min2

Question 10

The distance between carbon atoms in ethylene is 134 picometers.Which of the following expresses that distance in meters?

Accepted Answer

A)  1.34 × 10−13 m
B)  1.34 × 10−12 m
C)  1.34 × 10−10 m
D)  1.34 × 10−7 m
E)  1.34 × 10−6 m

Question 11

Select the answer that expresses the result of this calculation with the correct number of significant figures. 13.602 × 1.90 × 3.06
---------------------------
× 1) 4097

Accepted Answer

A)  13.3568
B)  13.357
C)  13.36
D)  13.4
E)  13

Question 12

Express 122.0°F in °C.

Accepted Answer

A)  50.0°C
B)  64.4°C
C)  67.8°C
D)  162.0°C
E)  219.6°C A

Question 13

The mass of a sample is 550 milligrams.Which of the following expresses that mass in kilograms?

Accepted Answer

A)  5.5 × 108 kg
B)  5.5 × 105 kg
C)  5.5 × 10−4 kg
D)  5.5 × 10−6 kg
E)  5.5 × 10−1 kg

Question 14

The boiling point for liquid nitrogen is 77 K.What is the temperature in degrees Fahrenheit?

Accepted Answer

A)  −127°F
B)  −289°F
C)  −321°F
D)  177°F
E)  662°F

Question 15

A flask has a mass of 78.23 g when empty and 593.63 g when filled with water.When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g.What is the density of concentrated sulfuric acid? (Assume water has a density of 1.00 g/cm3 at the temperature of the measurement.)

Accepted Answer

A)  1.992 g/cm3
B)  1.840 g/cm3
C)  1.729 g/cm3
D)  1.598 g/cm3
E)  0.543 g/cm3

Question 16

What is the volume in milliliters of a 32.0 fl oz can of juice? (1 fl oz = 29.6 mL)

Accepted Answer

A)  1.08 mL
B)  947 mL
C)  0.925 mL
D)  0.95 mL
E)  1.1 mL

Question 17

Zero kelvin 0 K < 0°F < 0°C

Accepted Answer

A) True 
 B)False  True

Question 18

The diameter of Earth is 12.7 Mm.Express this diameter in centimeters.

Accepted Answer

A)  1.27 × 105 cm
B)  1.27 × 106 cm
C)  1.27 × 107 cm
D)  1.27 × 108 cm
E)  1.27 × 109 cm

Question 19

Convert the measurement 2.887 cL to units of mL.

Accepted Answer

A)  2.887 × 101 mL
B)  2.887 × 104 mL
C)  2.887 × 105 mL
D)  2.887 × 108 mL
E)  2.887 × 10−8 mL

Question 20

How many significant figures are in 0.006570?

Accepted Answer

A)  3
B)  4
C)  5
D)  6
E)  7

Exam 4: How Chemists Use Numbers

What is the volume of a container that contains 14.3 g of a substance having a density of 0.988 g/cm³?

Correct Answer
verified

The dark meat of a 20-pound turkey requires an internal temperature of 180°F to be fully cooked.What minimum temperature reading should be displayed on a food thermometer that only measures in degrees Celsius?

Correct Answer
verified

What unit would be most appropriate when reporting the volume 5.23 × 10⁻⁶ L?

Correct Answer
verified

How many milliliters is 0.0055 L?

Correct Answer
verified

If a patient in the hospital is running a temperature of 39.5°C, what is this in degrees Fahrenheit?

Correct Answer
verified

Select the answer with the correct number of decimal places for the following sum: 13.914 cm + 243.1 cm + 12.00460 cm =

Correct Answer
verified

If the temperature is 38.0°F then what is the temperature in kelvins?

Correct Answer
verified
C

How many inches are in 382.5 cm? (1 in = 2.54 cm) ?

Correct Answer
verified

If an electron has an acceleration of 2.33 × 10² m/sec², what is this value in units of m/min²?

Correct Answer
verified

The distance between carbon atoms in ethylene is 134 picometers.Which of the following expresses that distance in meters?

Correct Answer
verified

Select the answer that expresses the result of this calculation with the correct number of significant figures. 13.602 × 1.90 × 3.06 --------------------------- × 1) 4097

Correct Answer
verified

Express 122.0°F in °C.

Correct Answer
verified
A

The mass of a sample is 550 milligrams.Which of the following expresses that mass in kilograms?

Correct Answer
verified

The boiling point for liquid nitrogen is 77 K.What is the temperature in degrees Fahrenheit?

Correct Answer
verified

Correct Answer
verified

What is the volume in milliliters of a 32.0 fl oz can of juice? (1 fl oz = 29.6 mL)

Correct Answer
verified

Zero kelvin 0 K < 0°F < 0°C

Correct Answer
verified
True

The diameter of Earth is 12.7 Mm.Express this diameter in centimeters.

Correct Answer
verified

Convert the measurement 2.887 cL to units of mL.

Correct Answer
verified

How many significant figures are in 0.006570?

Correct Answer
verified

Exam 4: How Chemists Use Numbers

What is the volume of a container that contains 14.3 g of a substance having a density of 0.988 g/cm3?

Correct AnswerverifiedShow Answer

The dark meat of a 20-pound turkey requires an internal temperature of 180°F to be fully cooked.What minimum temperature reading should be displayed on a food thermometer that only measures in degrees Celsius?

Correct AnswerverifiedShow Answer

What unit would be most appropriate when reporting the volume 5.23 × 10−6 L?

Correct AnswerverifiedShow Answer

How many milliliters is 0.0055 L?

Correct AnswerverifiedShow Answer

If a patient in the hospital is running a temperature of 39.5°C, what is this in degrees Fahrenheit?

Correct AnswerverifiedShow Answer

Select the answer with the correct number of decimal places for the following sum: 13.914 cm + 243.1 cm + 12.00460 cm =

Correct AnswerverifiedShow Answer

If the temperature is 38.0°F then what is the temperature in kelvins?

Correct AnswerverifiedC

How many inches are in 382.5 cm? (1 in = 2.54 cm) ?

Correct AnswerverifiedShow Answer

If an electron has an acceleration of 2.33 × 102 m/sec2, what is this value in units of m/min2?

Correct AnswerverifiedShow Answer

The distance between carbon atoms in ethylene is 134 picometers.Which of the following expresses that distance in meters?

Correct AnswerverifiedShow Answer

Select the answer that expresses the result of this calculation with the correct number of significant figures. 13.602 × 1.90 × 3.06 --------------------------- × 1) 4097

Correct AnswerverifiedShow Answer

Express 122.0°F in °C.

Correct AnswerverifiedA

The mass of a sample is 550 milligrams.Which of the following expresses that mass in kilograms?

Correct AnswerverifiedShow Answer

The boiling point for liquid nitrogen is 77 K.What is the temperature in degrees Fahrenheit?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What is the volume in milliliters of a 32.0 fl oz can of juice? (1 fl oz = 29.6 mL)

Correct AnswerverifiedShow Answer

Zero kelvin 0 K < 0°F < 0°C

Correct AnswerverifiedTrue

The diameter of Earth is 12.7 Mm.Express this diameter in centimeters.

Correct AnswerverifiedShow Answer

Convert the measurement 2.887 cL to units of mL.

Correct AnswerverifiedShow Answer

How many significant figures are in 0.006570?

Correct AnswerverifiedShow Answer

What is the volume of a container that contains 14.3 g of a substance having a density of 0.988 g/cm³?

Correct Answer
verified

Correct Answer
verified

What unit would be most appropriate when reporting the volume 5.23 × 10⁻⁶ L?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

If an electron has an acceleration of 2.33 × 10² m/sec², what is this value in units of m/min²?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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True

Correct Answer
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Correct Answer
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Correct Answer
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