Chapter 1 Measurements Flashcards
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
How many centimeters are there in 57.0 inches?
145 cm
The amount of space occupied by a substance is its
volume
Which of the following is the basic unit of volume in the metric system? liter kilogram meter centimeter gram
liter
Which of the following is a measurement of mass in the metric system? milliliter centimeter kilogram celsius meter
kilogram
A value of 25 degrees Celsius is a measurement of distance volume temperature mass density
temperature
A value of 36 mL is a measure of density mass temperature volume distance
volume
A value of 345 mm is a measure of A. density B. mass C. temperature D. volume E. distance
E. distance
The measurement 0.000 004 3 m, expressed correctly using scientific notation is A. 4.3 x 10 to the negative 7 B. 4.3 x 10 to the negative 6 C. 4.3 x 10 to the 6th D. 0.43 x 10 to the negative 5 E. 4.3m
B. 4.3 x 10 to the negative 6
Which of the following conversion factors is a measured number? A. 10cm/cm B. 12 in/ft C. 16oz/lb D. 25 miles/gallon E. 12 eggs/dozen
D. 25 miles/gallon
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
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
Which of the following numbers contains the designated correct number of significant figures?
A) 0.04300 - 5 significant figures B) 0.00302 - 2 significant figures C) 156 000 - 3 significant figures D) 1.04 - 2 significant figures E) 3.0650 - 4 significant figures
C) 156 000 - 3 significant figures
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
How many significant figures are in the number 0.00208? A. six B. two C. three D. four E. five
C. three
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
A calculator answer of 423.6059 must be rounded off to three significant figures. What answer is reported? A) 423 B) 424 C) 420 D) 423.6 E)423.7
B) 424
Which of the answers for the following conversions contains the correct number of significant figures?
A) 2.543 x (39.4 inches/1 m) = 100.1942 in
B) 2L x (1.06 qt/1 L) = 2.12 qt
C) 24.95 min x (1 hr/60 min) = 0.4158 hr
D) 12.0 ft x (12 in/1ft) x (2.54 cm/1 in) = 370 cm
E) 24.0 kg x (1 lb/2.20kg) = 11 lb
C) 24.95 min x (1 hr/60 min) = 0.4158 hr
What is the correct answer for the calculation of a volume (in mL) with measured numbers 28.58/(16 x 8.02) ? A) 0.22 mL B) 0.223 mL C) 57 mL D) 14 mL E) 14.3 mL
A) 0.22 mL
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
What is the answer, with the correct number of decimal places, for this problem? 4.392 g + 102.4 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
The correct answer for the addition of
7.5 g + 2.26 g + 1.311 g + 2g is
A) 13.071 g B) 13 g C) 13.0 g D) 10 g E) 13.1 g
B) 13 g
Which of the following measurements are NOT equivalent?
A) 25 mg = 0.025g B) 183 L = 0.183 kL C) 150 msec = 0.150 sec D) 84 cm = 8.4 mm E) 24 dL = 2.4 L
D) 84 cm = 8.4 mm
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
Which of the following is the largest unit?
A) millimeter B) micrometer C) meter D) decimeter E) kilometer
E) kilometer
What is the metric relationship between grams and micrograms?
A) 1 g = 100 micrograms B) 1 g = 1 000 000 micrograms C) 1 g = 0.000 001 micrograms D) 1 g = 1000 micrograms E) 1 g = 0.001 micrograms
B) 1 g = 1 000 000 micrograms
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
Which of the following is the smallest unit?
A) gram B) milligram C) kilogram D) decigram E) microgram
E) microgram
The cubic centimeter (cm cubed or cc) has the same volume as
A) cubic inch B) cubic liter C) milliliter D) centimeter E) cubic decimeter
C) milliliter
9.31 g is the same mass as
A) 931 micrograms B) 931 kg C) 93.1 cg D) 9310 mg E) 0.0931 dg
D) 9310 mg
According to the United States Food and Drug Administration, the recommended daily requirement of protein is 44 g. This is __ of protein.
A) 1248.5 oz B) 320 000 oz C) 1.6 oz D) 0.0605 oz E) 150 000 oz
C) 1.6 oz
Which of the following setups would convert centimeters to feet?
A) cm(2.54 in/1 cm)(1 ft/12 in) B) cm(2.54 cm/1 in)(12 in/1 ft) C) cm(1 in/2.54 cm)(1 ft/12in) D) cm(1in/2.54 cm)(12 in/1 ft) E) cm(2.54 cm/1 in)(1 ft/12 in)
C) cm(1 in/2.54 cm)(1 ft/12in)
A conversion factor set up correctly to convert 15 inches to centimeters is
A) 100 cm/1 m B) 1 inch/2.54 cm C) 1 cm/ 1 inch D) 2.54 cm/ 1 inch E) 10 cm/ 1 inch
D) 2.54 cm/ 1 inch
How many pounds are in 3.5kg?
A) 7.7 lb B) 1.59 lb C) 0.629 lb D) 1.6 lb E) 7.70 lb
A) 7.7 lb
How many liters of soft drink are there in 5.25 qt?
A) 4950 L B) 55.7 L C) 4.95 L D) 5.57 L E) 5.0 L
C) 4.95 L
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
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 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
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
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
Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?
A) table salt (d=2.16 g/mL) B) balsa wood (d=0.16 g/mL) C) sugar (d=1.59 g/mL D) aluminum (d=2.70 g/mL) E) mercury (d=13.6 g/mL)
B) balsa wood (d=0.16 g/mL)
