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Chapter 2: Q. 2.44 (page 42)

How can you check that you have written the correct conversion factors for an equality.

Short Answer

Expert verified

Every equality can be represented as conversion factors. When writing the conversion factors, make sure to include the units.

Step by step solution

01

Given information

We need to find out how to check whether conversion factors are correct for equality.

02

Simplify

With one of the quantities in the numerator and the other quantity in the denominator, every equality can be represented as conversion factors.
Any equality can always have two conversion factors.
When writing the conversion factors, make sure to include the units.
for example : 1m=100cm

1m100cm=100cm100cm=1

Conversion factor will be 1m100cmand 100cm1m

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Most popular questions from this chapter

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?

Solve each of the following problems:

a. A glucose solution has a density of 1.02 g/mL. What is its specific gravity?

b. A 0.200 mL sample of very-low-density lipoprotein (VLDL) has a mass of 190 mg. What is the density of the VLDL?

c. Butter has a specific gravity of 0.86. What is the mass, in grams, of 2.15 L of butter?

d. A 5.000-mL urine sample has a mass of 5.025 g. If the normal range for the specific gravity of urine is 1.003 to 1.030, would the specific gravity of this urine sample indicate that the patient could have type 2 diabetes?

How many millilitres of gasoline has a mass of 1.2 kg (see Table 2.8)? (2.7)

Determine thedensity(g/mL)foreachofthefollowing:

a. A 20.0-mL sample of a salt solution has a mass of 24.0 g.

b. A cube of butter weighs 0.250 lb and has a volume of 130.3 mL.

c. A gem has a mass of 4.50 g. When the gem is placed in a graduated cylinder containing 12.00 mL of water, the water level rises to 13.45 mL.

d. A 3.00-ml sample of medication has a mass of 3.85 g.

A 50.0-g silver object and a 50.0-g gold object are both added to 75.5mL of water contained in a graduated cylinder. What is the new water level, in milliliters, in the cylinder (see Table 2.8) ? (2.7)
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