Calculate the density of the following materials for which the mass and volume of samples have been measured. Express the density of liquids in g / mL , the density of solids in g / cm 3 , and the density of gases in g / L . a . A 50 .0-mL sample of liquid acetone has a mass of 39.6 g . b . A 1 .00-cup ( 236-mL ) sample of homogenized milk has a mass of 243 g . c. 20.0 L of dry carbon dioxide gas ( CO 2 ) has a mass of 39.54 g . d . A 25 .0-cm 3 block of nickel metal ( Ni ) has a mass of 222.5 g .
Solution Summary: The author explains that the density of a substance is defined as the ratio of its mass to the volume.
Calculate the density of the following materials for which the mass and volume of samples have been measured. Express the density of liquids in
g
/
mL
, the density of solids in
g
/
cm
3
, and the density of gases in
g
/
L
.
a. A
50
.0-mL
sample of liquid acetone has a mass of
39.6
g
.
b. A
1
.00-cup
(
236-mL
)
sample of homogenized milk has a mass of
243
g
.
c.
20.0
L
of dry carbon dioxide gas
(
CO
2
)
has a mass of
39.54
g
.
d. A
25
.0-cm
3
block of nickel metal
(
Ni
)
has a mass of
222.5
g
.
A rectangular solid measures 10.0 cm by 4.1 cm by 2.0 cm. The mass of this solid is 98.4 g. Calculate the density of the solid in g/mL.
An irregular-shaped solid was placed into a graduated cylinder containing 50.2 mL of water.The volume rose to 55.4 mL.
a. Calculate the volume of the solid. mL
b. If the solid weighed 39.52 g, calculate its density. g/mL
The following dimensions were measured for a cube: L=2.05 cm, W=2.00 cm, H=1.95 cm.
a. Calculate the volume of the cube using correct significant figures cm3
b. The mass of the cube was measured to be 71.16 g.Determine the density of the cube. g/cm3
Ice floats on water. What can be said about the density of ice compared to that of liquid water?
A.
The melting ice pushes the denser than water ice to the surface.
B.
Since ice and water are made up of the same compound, they have the same density.
C.
Since water is warmer and heat rises, it lifts up the denser ice.
D.
The water must be denser than the ice.
E.
Ice is more dense than water.
A piece of metal that is a cube with sides of 1.66 cm has a mass of 69.000 g. Calculate the density (in g/cm^3) of the object.
Chapter 1 Solutions
Chemistry for Today: General, Organic, and Biochemistry
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell