Concept explainers
(a)
Interpretation:
The quantity
(a)
Answer to Problem 20PE
The quantity
Explanation of Solution
The given quantity is
Centimeters is converted into
The quantity
The quantity
(b)
Interpretation:
The quantity
(b)
Answer to Problem 20PE
The quantity
Explanation of Solution
The given quantity is
Nanometers is converted into centimeters using the conversion factor,
The quantity
The quantity
(c)
Interpretation:
The quantity
(c)
Answer to Problem 20PE
The quantity
Explanation of Solution
The given quantity is
Kilometers is converted into millimeters using the conversion factor,
The quantity
The quantity
(d)
Interpretation:
The quantity
(d)
Answer to Problem 20PE
The quantity
Explanation of Solution
The given quantity is
Milligrams is converted into grams using the conversion factor,
The quantity
The quantity
(e)
Interpretation:
The quantity
(e)
Answer to Problem 20PE
The quantity
Explanation of Solution
The given quantity is
Kilograms is converted into milligrams using the conversion factor,
The quantity
The quantity
(f)
Interpretation:
The quantity
(f)
Answer to Problem 20PE
The quantity
Explanation of Solution
The given quantity is
Kilograms is converted into grams using the conversion factor,
The quantity
The quantity
(g)
Interpretation:
The quantity
(g)
Answer to Problem 20PE
The quantity
Explanation of Solution
The given quantity is
Liters is converted into milliliters using the conversion factor,
The quantity
The quantity
(h)
Interpretation:
The quantity
(h)
Answer to Problem 20PE
The quantity
Explanation of Solution
The given quantity is
Microliters is converted into milliliters using the conversion factor,
The quantity
The quantity
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Chapter 2 Solutions
FOUND.OF COLLEGE CHEMISTRY
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- 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 2.99792X10⁸m/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_forwardComplete the following volume equivalents. (a) 1 mL = ? cm³ (b) 1 in.³= ? cm³arrow_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_forward
- Make 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 2.99792x108 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_forwardComplete the following volume equivalents. (a) 1 L = ? cm³ (b)1 in.³ = ? mLarrow_forward
- Make the conversion indicated in each of the following:(a) the length of a soccer field, 120 m (three significant figures), to feet(b) the height of Mt. Kilimanjaro, at 19,565 ft the highest mountain in Africa, to kilometers(c) the area of an 8.5 × 11-inch sheet of paper in cm2(d) the displacement volume of an automobile engine, 161 in.3, to liters(e) the estimated mass of the atmosphere, 5.6 × 1015 tons, to kilograms(f) the mass of a bushel of rye, 32.0 lb, to kilograms(g) the mass of a 5.00-grain aspirin tablet to milligrams (1 grain = 0.00229 oz)arrow_forwardWhen elemental iron corrodes it combines with oxygen in the air to ultimately form red brown iron(III) oxide which we call rust. (a) If a shiny iron nail with an initial mass of 23.2 g is weighed after being coated in a layer ofrust, would you expect the mass to have increased, decreased, or remained the same? Explain. (b) If the mass of the iron nail increases to 24.1 g, what mass of oxygen combined with the iron?arrow_forwardCarry out the following conversions: (a) 22.6 m to decimeters, (b) 25.4 mg to kilograms, (c) 556 mL to liters, (d) 10.6 kg/m3 to g/cm3.arrow_forward
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