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Chapter 2: Q.2.79 (page 51)
a. Write an equality and two conversion factors for Greg's serum iron level.
b. How many micrograms of iron were in the 8.0-ml Sample of Greg's blood?
a.
b.
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Identify the exact number(s), if any, in each of the following pair of numbers:
a. pizzas and g of cheese
b. nickels and g of nickel
c. onions and lb of onions
d.miles andcars
How many significant figures are in each of the following?
a.
b.
c.
d.
e.
f.
Use the density values in Table 2.8 to solve each of the following problems:
a. If a bottle of olive oil contains 1.2 kg of olive oil, what is the volume, in milliliters, of the olive oil?
b. A cannon ball made of iron has a volume of 115 cm3. What is the mass, in kilograms, of the cannon ball?
c. A balloon filled with helium has a volume of 7.3 L. What is the mass, in grams, of helium in the balloon?
The water level in a graduated cylinder initially at , rises to . after a piece of lead is submerged, What is the mass, in grams, of the lead (see Table 2.8)? (2.7)
A car travels at and gets of gasoline. How many gallons of gasoline are needed for a -h trip? (2,6)
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