Unit 1 Quiz--Density

Unit 1 Density Quiz -- Thurston High Chemistry

Multiple Choice (Choose the best answer.)

Compare the the volumes and densities of a 10 g and a 50 g pieces of lead.
The 10 g piece would have a smaller volume and a smaller density than the 50 g piece.

The 10 g piece would have a smaller volume but a larger density than the 50 g piece.

The 10 g piece would have a smaller volume but an identical density to the 50 g piece.

The 10 g piece would have a larger volume, but a smaller density than the 50 g piece.

The 10 g piece would have an identical volume and an identical density to the 50 g piece..
Corn oil, ice, and ethanol are mixed in the same container. What will be the order of the liquids once they settle out from top to bottom? (Refer to "Densities of Some Common Materials" on page 69 of your text.)
corn oil, ice, ethanol

ethanol, ice, corn oil

ice, ethanol, corn oil

corn oil, ethanol, ice

None of these are correct.
A pure sample of gold has a volume of 25.0 cm³ and a mass of 483 g. What is the density of gold?
19.4 g/cm³

0.0514 g/cm³

508 g/cm³

0.00197 g/cm³

None of these are correct.
If the sample used in question 3 was not pure gold, the density of the sample would likely be:
Smaller than the value of pure gold.

Larger than the value of pure gold.

It could be either larger or smaller than that of pure gold.
A 4.86 g piece metal was placed in a graduated cyilinder containing 15.5 mL of water. The water level rose to 17.3 mL. What is the density of the metal?
0.28 g/mL

0.31 g/mL

3.2 g/mL

3.6 g/mL

None of these are correct.
A half a liter of gasoline ( 0.5 L = 500 cm³ ) would have what mass given the density shown in the table on page 69 of your text.
500 g

0.4 g

700 g

300 g

None of these is correct.
What is the volume of 3.0 grams of lead? Use the density of lead shown in the table on page 69 of your text.
0.26 mL

0.29 mL

3.8 mL

34.2 mL

None of these are correct.