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Chapter 2: Q.2.104 (page 25)
The distance between the two cities is 1700km. How long will it take, in hours, to drive from one city to the other if your average speed is 63mi/h?
hrs
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A -g silver object and a -g gold object are both added to of water contained in a graduated cylinder. What is the new water level, in milliliters, in the cylinder (see Table 2.8) ? (2.7)
Write the equality and two conversion factors for each of the following pairs of units:
(a) centimeters and inches
(b) kilometers and miles
(c) pounds and grams
(d) quarts and liters
Use the density values in Table 2.8 to solve each of the following problems:
a. How many liters of ethanol contains 1.50 kg of ethanol?
b. How many grams of mercury are present in a barometer that holds 6.5 mL of mercury?
c. A sculptor has prepared a mold for casting a silver figure. The figure has a volume of 225 cm3. How many ounces of silver are needed in the preparation of the silver figure?
Round off or add zeros to the following calculated answers to give a final answer with three significant figures: (2.2)
a.
b.
c.
d.
Bill's recipe for onion soup calls for lb of thinly sliced onions. If an onion has an average mass of , how many onions does Bill need? (2.6)
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