Question 1

Round off each of the following to three significant figures.
-399870

Accepted Answer

The answer of Round off each of the following to...

Question 2

What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL?

Accepted Answer

A) 0.023 kg 
B) 2.30 kg 
C) 1.15 kg 
D) 0.015 kg 
E) 0.58 kg 
A) 0.023 kg 
B) 2.30 kg 
C) 1.15 kg 
D) 0.015 kg 
E) 0.58 kg

Question 3

Which of the following is the basic unit of mass in the SI?

Accepted Answer

A) pound 
B) kilogram 
C) milligram 
D) microgram 
E) gram 
A) pound 
B) kilogram 
C) milligram 
D) microgram 
E) gram

Question 4

When the measured number 0.0090 is multiplied by the measured number 87.10, the answer has two significant figures.

Accepted Answer

A) True 
 B)False

Question 5

A driver is traveling at 60 km/h. Is the driver speeding if the speed limit is 45 mph?

Accepted Answer

A) Yes 
B) No 
A) Yes 
B) No

Question 6

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

Accepted Answer

A) 2621.92. 
B) 2621.9. 
C) 2621. 
D) 2620. 
E) 2600. 
A) 2621.92. 
B) 2621.9. 
C) 2621. 
D) 2620. 
E) 2600.

Question 7

What is the conversion factor for the relationship between millimeters and centimeters?

Accepted Answer

A) 1 mm/1 cm 
B) 10 mm/1 cm 
C) 1 cm/1 mm 
D) 100 mm/1 cm 
E) 10 cm/1 mm 
A) 1 mm/1 cm 
B) 10 mm/1 cm 
C) 1 cm/1 mm 
D) 100 mm/1 cm 
E) 10 cm/1 mm

Question 8

A value of 36 mL is a measure of

Accepted Answer

A) density. 
B) mass. 
C) temperature. 
D) volume. 
E) distance. 
A) density. 
B) mass. 
C) temperature. 
D) volume. 
E) distance.

Question 9

Which of the following is often used to determine an individual's percentage of body fat?

Accepted Answer

A) temperature 
B) height 
C) weight loss 
D) weight gain 
E) density 
A) temperature 
B) height 
C) weight loss 
D) weight gain 
E) density

Question 10

Which of the following measured numbers contains the designated CORRECT number of significant figures?

Accepted Answer

A)   
B)   
C)   
D)   
E)   
A)   
B)   
C)   
D)   
E)

Question 11

A doctor's order is 0.125 g of ampicillin. The liquid suspension on hand contains 250 mg/5.0 mL. How many milliliters of the suspension are required?

Accepted Answer

A) 0.0025 mL 
B) 3.0 mL 
C) 2.5 mL 
D) 6.3 mL 
E) 0.0063 mL 
A) 0.0025 mL 
B) 3.0 mL 
C) 2.5 mL 
D) 6.3 mL 
E) 0.0063 mL

Question 12

A conversion factor set up correctly to convert 15 inches to centimeters is

Accepted Answer

A) 100 cm/1 m. 
B) 1 inch/2.54 cm. 
C) 1 cm/10 mm. 
D) 2.54 cm/1 inch. 
E) 10 cm/1 inch. 
A) 100 cm/1 m. 
B) 1 inch/2.54 cm. 
C) 1 cm/10 mm. 
D) 2.54 cm/1 inch. 
E) 10 cm/1 inch.

Question 13

State the number of significant figures in each of the following measurements.
-2.043 × 104 mm

Accepted Answer

Question 14

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

Accepted Answer

A) 0.22 mL 
B) 0.223 mL 
C) 57 mL 
D) 14 mL 
E) 14.3 mL 
A) 0.22 mL 
B) 0.223 mL 
C) 57 mL 
D) 14 mL 
E) 14.3 mL

Question 15

The number 0.0500 has four significant figures.

Accepted Answer

A) True 
 B)False

Question 16

The density of a solution is 0.847 g/mL. Its specific gravity is

Accepted Answer

A) 11.8. 
B) 0.118. 
C) 0.847. 
D) 1.18. 
E) 1.2. 
A) 11.8. 
B) 0.118. 
C) 0.847. 
D) 1.18. 
E) 1.2.

Question 17

A value of 345 cm is a measure of

Accepted Answer

A) density. 
B) mass. 
C) temperature. 
D) volume. 
E) distance. 
A) density. 
B) mass. 
C) temperature. 
D) volume. 
E) distance.

Question 18

State the number of significant figures in each of the following measurements.
-28.050 km

Accepted Answer

The answer of State the number of significant figures in...

Question 19

Round off each of the following to three significant figures.
-6.3477 × 104

Accepted Answer

Question 20

Specific gravity has no units.

Accepted Answer

A) True 
 B)False

Exam 2: Chemistry and Measurements

Round off each of the following to three significant figures. -399870

What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL?

Which of the following is the basic unit of mass in the SI?

When the measured number 0.0090 is multiplied by the measured number 87.10, the answer has two significant figures.

A driver is traveling at 60 km/h. Is the driver speeding if the speed limit is 45 mph?

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

What is the conversion factor for the relationship between millimeters and centimeters?

A value of 36 mL is a measure of

Which of the following is often used to determine an individual's percentage of body fat?

Which of the following measured numbers contains the designated CORRECT number of significant figures?

A doctor's order is 0.125 g of ampicillin. The liquid suspension on hand contains 250 mg/5.0 mL. How many milliliters of the suspension are required?

A conversion factor set up correctly to convert 15 inches to centimeters is

State the number of significant figures in each of the following measurements. -2.043 × 104 mm

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

The number 0.0500 has four significant figures.

The density of a solution is 0.847 g/mL. Its specific gravity is

A value of 345 cm is a measure of

State the number of significant figures in each of the following measurements. -28.050 km

Round off each of the following to three significant figures. -6.3477 × 104

Specific gravity has no units.

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State the number of significant figures in each of the following measurements. -2.043 × 10⁴ mm

Round off each of the following to three significant figures. -6.3477 × 10⁴