Concept explainers
(a)
Interpretation:
The quantity
(a)
Answer to Problem 22PE
The quantity
Explanation of Solution
The given quantity is
Meters is converted into foot using the conversion factor,
The quantity
The quantity
(b)
Interpretation:
The quantity
(b)
Answer to Problem 22PE
The quantity
Explanation of Solution
The given quantity is
Kilometers is converted into miles using the conversion factor,
The quantity
The quantity
(c)
Interpretation:
The quantity
(c)
Answer to Problem 22PE
The quantity
Explanation of Solution
The given quantity is
Cubic inches is converted into millimeter cube using the conversion factor,
The quantity
The quantity
(d)
Interpretation:
The quantity
(d)
Answer to Problem 22PE
The quantity
Explanation of Solution
The given quantity is
Pounds is converted into grams using the conversion factor,
The quantity
The quantity
(e)
Interpretation:
The quantity
(e)
Answer to Problem 22PE
The quantity
Explanation of Solution
The given quantity is
Gallons is converted into liters using the conversion factor,
The quantity
The quantity
(f)
Interpretation:
The quantity
(f)
Answer to Problem 22PE
The quantity
Explanation of Solution
The given quantity is
Cubic feet is converted into meter cube using the conversion factor,
The quantity
The quantity
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Chapter 2 Solutions
EBK FOUNDATIONS OF COLLEGE CHEMISTRY
- Which of the following include exact numbers?(a) The speed of light in a vacuum is a physical constant; to six significant figures, it is 2.99792×108 m/s.(b) The density of mercury at 25°C is 13.53 g/mL.(c) There are 3600 s in 1 h.(d) In 2010, the United States had 50 states.arrow_forwardMake the following conversions using the correct number of significant figures (a) 95 lb to g (b) 20.0 gal to L (c) 4.5 * 104 ft3 to m3arrow_forwardWhich of the following include exact numbers?(a) The speed of light in a vacuum is a physical constant; to six significant figures, it is 2.99792X10⁸m/s.(b) The density of mercury at 25°C is 13.53 g/mL.(c) There are 3600 s in 1 h.(d) In 2003, the United States had 50 states.arrow_forward
- Which of the following include exact numbers? (a) The speed of light in a vacuum is a physical constant; to six significant figures, it is 2.99792x108 m/s. (b) The density of mercury at 25oC is 13.53 g/mL. (c) There are 3600 s in 1 h. (d) In 2012, the United States had 50 states.arrow_forward(a) How many picometers are there in 1 m? (b) Express6.0 * 103 m using a prefix to replace the power of ten.(c) Use exponential notation to express 4.22 mg in grams.(d) Use decimal notation to express 4.22 mg in grams.arrow_forwardHow many significant figures are there in the following numbers? (a)0.00740 (b)609.20 (c)9.005 x 1011arrow_forward
- Convert the following quantities into SI units with the correct number of significant figures. (a) 5.4 in (b) 66.31 lb (c) 0.5521 gal (d) 65 mi/harrow_forwardThe volume of a certain bacterial cell is 2.56 m³. (a) What is its volume in cubic millimeters (mm³)? (b) What is the volumeof 10⁵cells in liters (L)?arrow_forwardCarry out the following conversions: (a) 1.42 lightyears to miles (a light-year is an astronomical measure of distance—the distance traveled by light in a year, or 365 days; the speed of light is 3.00x10^8 m/s), (b) 32.4 yd to centimeters, (c) 3.0 3x10^10 cm/s to ft/s.arrow_forward
- The volume of water used for crop irrigation is measured in acre-feet, where 1 acre-foot is the amount of water needed to cover 1 acre of land to a depth of 1 ft.(a) If there are 640 acres per square mile, how many cubic feet of water are in 1 acre-foot?(b) How many acre-feet are in Lake Erie (total volume = 116 mi3)?arrow_forwardHow many significant figures are there in each number below? (a) 1.903 0 (b) 0.039 10 (c) 1.40 X 104arrow_forward(a) Three spheres of equal size are composed of aluminum(density = 2.70 g/cm3), silver (1density = 10.49 g/cm3),and nickel (density = 8.90 g/cm3). List the spheres fromlightest to heaviest. (b) Three cubes of equal mass arecomposed of gold (density = 19.32 g/cm3), plat inum(density = 21.45 g/cm3), and lead(density = 11.35 g/cm3).List the cubes from smallest to largest.arrow_forward
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