Chapter 2: Q. 2.11 (page 31)
In which of the following pairs do both numbers contain the same number of significant figures?
a.
b.
c.
d.
Short Answer
Part b and part c both are the same significant figures.
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Chapter 2: Q. 2.11 (page 31)
In which of the following pairs do both numbers contain the same number of significant figures?
a.
b.
c.
d.
Part b and part c both are the same significant figures.
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State the name of the unit and the type of measurement indicated for each of the following quantities:
a.
b.
c.
d.
e.
The following nutrition information is listed on a box of crackers: (2.6)
Serving size ) 02 ( 6 crackers)
Fat g per serving; Sodium per serving
a. If the box has a net weight (contents only) of , about how many crackers are in the box?
b. If you ate crackers, how many ounces of fat did you consume?
c. How many servings of crackers in part a would it take to obtain the Daily Value (DV) for sodium, which is ?
A graduated cylinder contains of water. A piece of iron and a piece of lead are added. What is the new water level, in milliliters, in the cylinder (see Table 2.8)(2.7)
A graduated cylinder contains three liquids , which have different densities and do not mix: mercury . vegetable oil , and water . Identify the liquids in the cylinder. (2.7)

Use the density values in Table 2.8 to solve each of the following problems:
a. A graduated cylinder contains 18.0 mL of water. What is the new water level, in milliliters, after 35.6 g of silver metal is submerged in the water?
b. A thermometer containing 8.3 g of mercury has broken. What volume, in milliliters, of mercury spilled?
c. A fish tank holds 35 gal of water. How many kilograms of water are in the fish tank?

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