Test 1

True/False Questions 1 kilogram is the same as 1000 mg.

False

True/False Questions 1 milliliter is the same as 1000 L.

False

True/False Questions A cubic centimeter is a unit of length.

False

True/False Questions A μg is larger than a mg.

False

True/False Questions The basic unit of mass in the metric system is the pound.

False

True/False Questions The density of water is 1 kg/mL.

False

True/False Questions The number 0.0500 has four significant figures.

False

Round off each of the following to three significant figures. 0.003 408 8

0.003 41

1 mL = ________ cc

1

State the number of significant figures in each of the following measurements. 0.0005 L

1

1 pg = ________ g

1 x 10^-12

1 g = ________ pg

1 × 10^12

1 cm = ________ mm

10

1 dL = ________ mL

100

1 kg = ________ g

1000

1 m = ________ mm

1000

State the number of significant figures in each of the following measurements. 680 000 km

2

Round off each of the following to three significant figures. 25 225

25 200

State the number of significant figures in each of the following measurements. 9.00 × 10^6 g

3

State the number of significant figures in each of the following measurements. 0.008 090 cm

4

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

4

State the number of significant figures in each of the following measurements. 75.00 m

4

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

4.00 × 105

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

5

Round off each of the following to three significant figures. 504.85

505

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

6.35 × 104

Round off each of the following to three significant figures. 8.3158

8.32

Grapes are $1.49 per pound. What is the cost of 1.20 kg of grapes? A) $3.93 B) $2.73 C) $1.79 D) $0.81 E) $0.56

A) $3.93

5.21 cm is the same distance as A) 0.0521 m. B) 52.1 dm. C) 5.21 mm. D) 0.00521 km. E) 5210 m.

A) 0.0521 m.

What is the density of a substance with a mass of 45.00 g and a volume of 26.4 mL? A) 1.70 g/mL B) 1.7 g/mL C) 0.59 g/mL D) 0.587 g/mL E) 45.0 g/mL

A) 1.70 g/mL

How many kilograms are in 30.4 lb? A) 13.8 kg B) 14 kg C) 67 kg D) 66.88 kg E) 66.9 kg

A) 13.8 kg

A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds. The number of milligrams of aspirin that should be administered is A) 19 mg. B) 53 mg. C) 1.6 mg. D) 5.0 mg. E) 0.59 mg.

A) 19 mg.

1.00 pint of milk has a volume of how many milliliters? (2 pints = 1 quart) A) 472 mL B) 530. mL C) 1000 mL D) 1890 mL E) 106 mL

A) 472 mL

How many pounds are in 3.5 kg? A) 7.7 lb B) 1.59 lb C) 0.629 lb D) 1.6 lb E) 7.70 lb

A) 7.7 lb

Are the numbers in each of the following statements measured or exact? 1 liter is equal to 1.06 quarts.

A) measured

Are the numbers in each of the following statements measured or exact? 6) I lost 14 pounds on my diet last month.

A) measured

Are the numbers in each of the following statements measured or exact? 8) The patient's temperature is 100.1 °F.

A) measured

Are the numbers in each of the following statements measured or exact? The patient's blood sugar level is 350 mg/dL.

A) measured

Are the numbers in each of the following statements measured or exact? The rabbit weighs 2.5 pounds.

A) measured

The metric base unit for length is the A) meter. B) inch. C) millimeter. D) kilometer. E) foot.

A) meter.

Match the type of measurement to the unit given below. gram A) volume B) mass C) temperature D) distance E) density

B) mass

What is the metric relationship between grams and micrograms? A) 1 g = 100 μg B) 1 g = 1 000 000 μg C) 1 g = 0.000 001 μg D) 1 g = 1000 μg E) 1 g = 0.001 μg

B) 1 g = 1 000 000 μg

A liquid has a volume of 34.6 mL and a mass of 46.0 g. What is the density of the liquid? A) 1.00 g/mL B) 1.33 g/mL C) 0.752 g/mL D) 1330 g/mL E) 0.663 g/mL

B) 1.33 g/mL

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

B) 10 mm/1 cm

The correct answer for the addition of 7.5 g + 2.26 g + 1.311 g + 2 g is A) 13.071 g. B) 13 g. C) 13.0 g. D) 10 g. E) 13.1 g.

B) 13 g.

What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL? A) 0.023 kg B) 2.30 kg C) 1.15 kg D) 0.015 kg E) 0.58 kg

B) 2.30 kg

Diamond has a density of 3.52 g/mL. What is the volume in cubic centimeters of a diamond with a mass of 15.1 g? A) 4.3 cm3 B) 4.29 cm3 C) 0.233 cm3 D) 53 cm3 E) 53.2 cm3

B) 4.29 cm3

A driver is traveling at 60 km/h. Is the driver speeding if the speed limit is 45 mph? A) Yes B) No

B) No

Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL? A) table salt (density = 2.16 g/mL) B) balsa wood (density = 0.16 g/mL) C) sugar (density = 1.59 g/mL) D) aluminum (density = 2.70 g/mL) E) mercury (density = 13.6 g/mL)

B) balsa wood (density = 0.16 g/mL)

The ratio of the mass of a substance to its volume is its A) specific gravity. B) density. C) buoyancy. D) weight. E) conversion factor.

B) density.

Are the numbers in each of the following statements measured or exact? 5) There are 100 capsules in the bottle.

B) exact

Are the numbers in each of the following statements measured or exact? In the U.S. system there are 5280 feet in one mile.

B) exact

Are the numbers in each of the following statements measured or exact? There are 452 pages in a book.

B) exact

Which of the following is the basic unit of mass in the SI? A) pound B) kilogram C) milligram D) microgram E) gram

B) kilogram

Match the type of measurement to the unit given below. milligram A) volume B) mass C) temperature D) distance E) density

B) mass

In which of the following is the metric unit paired with its correct abbreviation? A) microgram / mg B) milliliter / mL C) centimeter / km D) kilogram / cg E) gram / gm

B) milliliter / mL

The measurement of the gravitational pull on an object is its A) volume. B) weight. C) mass. D) length. E) size.

B) weight.

Which of the following measurements has three significant figures? A) 0.005 m B) 510 m C) 0.510 m D) 0.051 m E) 5100 m

C) 0.510 m

The density of a solution is 0.847 g/mL. Its specific gravity is A) 11.8. B) 0.118. C) 0.847. D) 1.18. E) 1.2.

C) 0.847.

A 50.0 mL urine sample has a mass of 50.7 g. The specific gravity of the urine is A) 1.014 g/mL. B) 0.986 g/L. C) 1.01. D) 0.986. E) 50.7.

C) 1.01.

According to the United States Food and Drug Administration, the recommended daily requirement of protein is 44 g. This is ________ oz of protein. A) 1248.5 B) 320 000 C) 1.6 D) 0.0605 E) 150 000

C) 1.6

How many centimeters are there in 57.0 in.? A) 22 cm B) 0.0445 cm C) 145 cm D) 22.4 cm E) 140 cm

C) 145 cm

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

C) 2.5 mL

What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL? A) 67.1 g B) 41.9 g C) 42 g D) 67 g E) 53 g

C) 42 g

What is the volume of a cube that measures 4.00 cm on each side? A) 16.0 mL B) 64.0 L C) 64.0 mL D) 64.00 mL E) 0.640 L

C) 64.0 mL

Which of the following is a measurement of temperature in the metric system? A) oz B) lb C) Celsius D) kilogram E) meter

C) Celsius

Which of the following is a measurement of mass in the metric system? A) milliliter B) centimeter C) kilogram D) Celsius E) meter

C) kilogram

The metric unit for volume is the A) meter. B) quart. C) liter. D) pint. E) centimeter.

C) liter.

The cubic centimeter (cm3 or cc) has the same volume as a A) cubic inch. B) cubic liter. C) milliliter. D) centimeter. E) cubic decimeter.

C) milliliter.

Match the type of measurement to the unit given below. 125 K A) volume B) mass C) temperature D) distance E) density

C) temperature

How many significant figures are in the measured number 0.00208 m? A) six B) two C) three D) four E) five

C) three

A researcher added three samples of sodium chloride solution; the volumes were: 0.351 mL, 0.350 mL and 0.349 mL. The total volume should be reported as A) 1.05 mL. B) 1.0 mL. C) 11 mL. D) 1.050 mL. E) 1.0500 mL.

D) 1.050 mL.

The specific gravity of a solution is 1.18. Its density is A) 11.8 g/mL. B) 0.118 g/mL. C) 0.847 g/mL. D) 1.18 g/mL. E) 1.2 g/mL.

D) 1.18 g/mL.

What is the answer, with the correct number of decimal places, for this problem? 4.392 g + 102.40 g + 2.51 g = A) 109.302 g B) 109 g C) 109.3 g D) 109.30 g E) 110 g

D) 109.30 g

Which of the following conversion factors is a measured number? A) 10 cm/dm B) 12 in/ft C) 16 oz/lb D) 25 miles/gallon E) 12 eggs/dozen

D) 25 miles/gallon

Mercury has a specific gravity of 13.6. How many milliliters of mercury have a mass of 0.35 kg? A) 0.0257 mL B) 0.026 mL C) 25.7 mL D) 26 mL E) 4760 mL

D) 26 mL

What is 6.5 m converted to inches? A) 1700 in B) 1651 in C) 39 in D) 260 in E) 255.9 in

D) 260 in

When 2610 + 11.7 + 0.22 are added, the answer to the correct number of decimal places is A) 2621.92. B) 2621.9. C) 2621. D) 2620. E) 2600.

D) 2620.

Which of the following measurements are NOT equivalent? A) 25 mg = 0.025 g B) 183 L = 0.183 kL C) 150. ms = 0.150 s D) 84 cm = 8.4 mm E) 24 dL = 2.4 L

D) 84 cm = 8.4 mm

9.31 g is the same mass as A) 931 μg. B) 931 kg. C) 93.1 cg. D) 9310 mg. E) 0.0931 dg.

D) 9310 mg.

Match the type of measurement to the unit given below. kilometer A) volume B) mass C) temperature D) distance E) density

D) distance

Match the type of measurement to the unit given below. mm A) volume B) mass C) temperature D) distance E) density

D) distance

The number of significant figures in the measurement of 45.030 mm is A) none. B) three. C) four. D) five. E) six.

D) five.

Significant figures are important because they indicate A) the accuracy of a measurement. B) the number of digits on a calculator. C) the number of measurements. D) the precision of a measurement. E) the accuracy of the conversion factor.

D) the precision of a measurement.

A value of 36 mL is a measure of A) density. B) mass. C) temperature. D) volume. E) distance.

D) volume.

A nugget of gold with a mass of 521 g is added to 50.0 mL of water. The water level rises to a volume of 77.0 mL. What is the density of the gold? A) 10.4 g/mL B) 6.77 g/mL C) 1.00 g/mL D) 0.0518 g/mL E) 19.3 g/mL

E) 19.3 g/mL

Which of the following examples illustrates a number that is correctly rounded to three significant figures? A) 4.05438 grams to 4.054 grams B) 0.03954 grams to 0.040 grams C) 103.692 grams to 103.7 grams D) 109,526 grams to 109 500 grams E) 20.0332 grams to 20.0 grams

E) 20.0332 grams to 20.0 grams

Which of the following is often used to determine an individual's percentage of body fat? A) temperature B) height C) weight loss D) weight gain E) density

E) density

A value of 345 cm is a measure of A) density. B) mass. C) temperature. D) volume. E) distance.

E) distance.

Which of the following is the largest unit? A) millimeter B) micrometer C) meter D) decimeter E) kilometer

E) kilometer

Which of the following is the smallest unit? A) gram B) milligram C) kilogram D) decigram E) microgram

E) microgram

The amount of space occupied by a substance is its A) mass. B) density. C) weight. D) length. E) volume.

E) volume.

1 g = ________ kg

F) 0.001

True/False Questions Specific gravity has no units.

True

True/False Questions The liter is a unit of volume in the metric system.

True

True/False Questions The number 650 000 has two significant figures.

True

True/False Questions There are 1000 μg in a mg.

True

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

True

True/False Questions When the measured number 675 is added to the measured number 87.10, the answer should be rounded to the ones place.

True