Chapter 1 & 2
5.21 cm is the same length 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? A) 473 mL B) 530. mL C) 1000 mL D) 1890 mL E) 106 mL
A) 473 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
Which of the following is the basic unit of volume in the metric system? A) liter B) kilogram C) meter D) centimeter E) gram
A) liter
In the number 12.345, the 1 is in the _____ place. A) tens B) ones C) tenths D) hundredths E) thousands
A) tens
The product of (-4) x (-5) is: A) -20 B) +20 C) -1 D) +1 E) 0
B) +20
For the equation 4 x (-3)/-2= A) -6 B) +6 C) -12 D) +12 E) 4
B) +6
For the equation 2x + 14 = -2, x equals: A) 8 B) -8 C) 16 D) -16 E) 6
B) -8
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
B) 0.986 g/L
What is the metric relationship between grams and micrograms? A) 1 g = 100 ug B) 1 g = 1 000 000 ug C) 1 g = 0.000 001 ug D) 1 g = 1000 ug E) 1 g = 0.001 ug
B) 1 g = 1 000 000 ug
A piece of iron with a mass of 119 g is placed in a graduated cylinder, where the water level is to 57 mL. The water level rises to 72 mL. What is the density of the iron? A) 0.13 g/L B) 1.7 g/mL C) 2.1 g/mL D) 7.9 g/mL E) 24 g/mL
B) 1.7 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
What is 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) 0.0230 kg B) 2.30 kg C) 1.15 kg D) 0.0150 kg E) 0.575 kg
B) 2.30 kg
Write 0.000 000 33 in scientific notation A) 3.3 x 10^7 B) 3.3 x 10^-7 C) 3.3 x 10^-8 D) 3.3 x 10^8 E) 3.3
B) 3.3 x 10^-7
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
The measurement 0.000 004 3 m, expressed correctly using scientific notation, is: A) 4.3 x 10^-7 m B) 4.3 x 10^-6 m C) 4.3 x 10^6 m D) 0.43 x 10^-5 m E) 4.3 m
B) 4.3 x 10^-6 m
A calculator answer if 423.6059 must be rounded off to three significant figures. .What answer is reported? A) 423 B) 424 C) 1.7420 D) 423.6 E) 423.7
B) 424
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
B) 6.77 g/mL
Which one of the following substances will float in gasoline, which has a density of 0.74 g/mL? The density of each substance is shown in parentheses. 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)
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
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
According to the United States Food and Drug Administration, the recommended daily requirement of protein is 44 g. This is ________ of a 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
How many centimeters are there in 57.9 in? A) 22 cm B) 0.0445 cm C) 145 cm D) 22.4 cm E) 140 cm
C) 145 cm
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
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 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 of the answers for the following coversions contains the correct number of significant figures? A) 2.534m x 39.4 in / 1m = 100.1942 in. B) 2 L x 1.06 qt / 1L = 2.12 qt C) 24.95 min x 1 hr / 60 min = 0.4158 hr D) 12.0 ft x 12 in / 1 ft x 2.54 cm / 1 in = 370 cm E) 24.0 kg x 1 lb / 2.20 kg = 11 lb
C) 24.95 min x 1 hr / 60 min = 0.4158 hr
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
Which of the following is a measurement of the mass in the metric system? A) milliliter B) centimeter C) kilogram D) celsius E) meter
C) Kilogram
Which of the following setups would convert centimeters to feet? A) cm x 2.54in/1cm x 1ft/12 in B) cm x 2.54cm / 1 in x 12 in / 1 ft C) cm x 1 in / 2.54 cm x 1 ft / 12 in D) cm x 1 in / 2.54 cm x 12 in / 1 ft E) cm x 2.54 cm / 1 in x 1 ft / 12 in
C) cm x 1 in / 2.54 cm x 1 ft / 12 in
The cubic centimeter (cm3 or cc) has the same volume as a A) cubic inch B) cubic liter C) millilter D) centimeter E) cubic decimeter
C) milliliter
A value of 25 * C is a measurement of: A) length B) volume C) temperature D) mass E) density
C) temperature
How many significant figures are in the number 0.00208? A) six B) two C) three D) four E) five
C) three
The density of a solution is 1.18 g/mL. Its specific gravity is ______. A) 11.8 B) 0.118 C) 0.847 D) 1.18 E) 1.2
D) 1.18
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
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
D) 14 mL
For the equation 4x + 2 = 10, x equals: A) 8 B) 12 C) 3 D) 2 E) -2
D) 2
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 / 10 mm D) 2.54 cm / 1 in E) 10 cm / 1 in
D) 2.54 cm / 1 in
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) 2622 E) 2600
D) 2622
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 ug B) 931 kg C) 93.1 cg D) 9310 mg E) 0.0931 dg
D) 9310 mg
In the number 12.345, the number 4 is in the ______________ place. A) Tens B) Ones C) Tenths D) Hundredths E) Thousandths
D) Hundredths
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
A value of 36 mL is a measure of: A) density B) mass C) temperature D) volume E) length
D) volume
Which of the following examples illustrates a number that is correctly rounded to three significant figures? A) 4.05438 g to 4.054 g B) 0.03954 g to 0.040 g C) 103.692 g to 103.7 g D) 109 526 g to 109 500 g E) 20.0332 g to 20.0 g
E) 20.0332 g to 20.0 g
Which of the following is the largest unit? A) millimeter B) micrometer C) meter D) decimeter E) kilometer
E) Kilometer
A value of 345 mm is a measure of A) density B) mass C) temperature D) volume E) length
E) length
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
4300 expressed in scientific notation is 4.3 x 10^-2
False
T/F : In the number 123.45 the digit 5 is in the hundreds place.
False
T/F: 1 kg equivalent to 1000 L.
False
T/F: 1 mL is equivalent to 1000 L.
False
T/F: 100. cm is the same length as 254 inches.
False
T/F: 2x+9= -3, x = 3
False
T/F: A ug is larger than a mg.
False
T/F: The basic unit of mass in the metric system is the pound.
False
T/F: The density of water is 1 kg/mL.
False
T/F: The number 6.00 x 10^4 has one significant figure.
False
T/F: When the measured number 0.0090 is multiplied by the measured number of 87.10, the answer has two significant figures.
False
The number 0.0500 has four significant figures.
False
An animal shelter has 12 dogs and 8 cats. Cats are 40% of the animals.
True
T/F: -2 x 6 / -3 =4
True
T/F: A cubic centimeter is a unit of length.
True
T/F: An object with a mass of 56 g and a volume of 22 mL has a density of 2.5 g/mL.
True
T/F: If the negative number is divided by another negative number, the answer will be a positive number.
True
T/F: Specific gravity has no units.
True
T/F: The liter is a unit of volume in the metric system.
True
T/F: The number 650 00 has two significant figures.
True
T/F: There are 1000 ug in a mg.
True
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