Get the tools Lab book CPS Remote Calculator density the amount of matter mass in a given unit volume mass the measure of the amount of matter an object contains viscosity the resistance of a liquid to flow ID: 163375
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Slide1
Density
Get the tools:
Lab book
CPS Remote
CalculatorSlide2
density:
the amount of matter (mass) in a given unit volume
.Slide3
mass:
the measure of the amount of matter an object contains. Slide4
viscosity
: the resistance of a liquid to flow (
viscous
). Slide5
buoyancy
: the tendency or capacity to remain afloat in a liquid or rise in air or gas; the upward force that a fluid exerts on an object less dense than itself.Slide6
volume
: The amount of space occupied by something – expressed in L,
mL
or cm
3
(or any cubic unit).Slide7
Kermit
vs. Elephant
Explain
which has more mass?
Volume?
Weight?Slide8
m
v
D
Cover the variable you are trying to solve for and the formula will appear.Slide9
Tap Water Tap Water with salt.
Both are fresh eggs (not boiled). Slide10
A block of maple wood with a volume of 405 cubic centimeters and a density of 0.67 g/cm
3
is sawed in half. The density of the two smaller blocks is now_____. (Spr'03 11th -25
)Slide11
A block of maple wood with a volume of 405 cubic centimeters and a density of 0.67 g/cm
3
is sawed in half. The density of the two smaller blocks is now_____. (Spr'03 11th -25
)
A
. one-fourth
the original density
B
. one-half
the original density
C
. two
times the original density
D. the same as the original densitySlide12
12 grams 6 grams
6 cm 6cm
3cm
3cm
12 cm 6cm
6cm*12cm*3cm = 216 cm
3
6cm*6cm*3cm = 108 cm
3
12 g /216 cm
3
= .05555 g/cm
3
6 g /108 cm
3
= .05555 g/cm
3Slide13
What is the mass of a 500.00
mL
sample of seawater with a density of 1.025 g/
mL
? (Apr'04 10th -18)Slide14
What is the mass of a 500.00
mL
sample of seawater with a density of 1.025 g/
mL
? (Apr'04 10th -18)
A. 487.8
g
B
. 500.0
g
C
. 512.5
g
D. 625.0 gSlide15
This pipette is filled with a 20%
NaOH
solution. The solution is at 20
o
C and has a density of 1.23 g/
mL.
According to this information, what is the mass of this
NaOH
solution?
(Apr'04 11th -27
)Slide16
This pipette is filled with a 20%
NaOH
solution. The solution is at 20
o
C and has a density of 1.23 g/
mL.
According to this information, what is the mass of this
NaOH
solution?
(Apr'04 11th -27
)
A
. 3.88
gB. 15.7 gC. 23.9 gD. 24.6 gSlide17
Students in a chemistry lab measure the time it takes four different 100
mL
solutions to pass through a hole in the bottom of a cup. Which of the following properties of the solutions is most likely being measured?
(Apr'06 10th -22
)Slide18
Students in a chemistry lab measure the time it takes four different 100
mL
solutions to pass through a hole in the bottom of a cup. Which of the following properties of the solutions is most likely being measured?
(Apr'06 10th -22
)
A
. Buoyancy
B
. Mass
C
. Viscosity
D
. VolumeSlide19
A sample of water from a stream has a greater density than a sample of distilled water. Which is the best explanation for the difference in density?
(Apr'06 10th -29
)Slide20
A sample of water from a stream has a greater density than a sample of distilled water. Which is the best explanation for the difference in density?
(Apr'06 10th -29
)
A
. Streams
have kinetic energy.
B
. Distilled
water has a neutral
pH.
C
. Streams
can contain dissolved
salts.D. Distilled water can contain dissolved gases.Slide21
The picture shows the results of pouring a blue liquid into a clear liquid and allowing the mixture to settle for 25 minutes. Compared to the clear liquid, the blue liquid is more _____.
(Apr'06 11th -1
)Slide22
The picture shows the results of pouring a blue liquid into a clear liquid and allowing the mixture to settle for 25 minutes. Compared to the clear liquid, the blue liquid is more _____.
(Apr'06 11th -1
)
A
. massive
B
. dense
C
. viscous
D
. solubleSlide23
The table shows properties of four liquids that are insoluble in water. If the four liquids are poured into an Erlenmeyer flask containing water, which liquid will form a layer below the water? (Apr'06 11th -23)
Liquid
Description
Density (g/
mL
)
Boiling Point (
o
C
)
Q
Nonflammable colorless compound
1.62
59.5
R
Flammable colorless compound
0.71
34.6
S
Yellow mixture with strong odor
0.73
160.4
T
Viscous pale-yellow oil
0.93
300.0Slide24
The table shows properties of four liquids that are insoluble in water. If the four liquids are poured into an Erlenmeyer flask containing water, which liquid will form a layer below the water? (Apr'06 11th -23)
A. Q
B
. R
C
. S
D
. T
Liquid
Description
Density (g/
mL
)
Boiling Point (
o
C
)
Q
Nonflammable colorless compound
1.62
59.5
R
Flammable colorless compound
0.71
34.6
S
Yellow mixture with strong odor
0.73
160.4
T
Viscous pale-yellow oil
0.93
300.0Slide25
Swimmers find that they can float more easily in the ocean than in a freshwater pond. The most likely reason for this phenomenon is that the _____.
(Jul'04 11th -17
)Slide26
Swimmers find that they can float more easily in the ocean than in a freshwater pond. The most likely reason for this phenomenon is that the _____.
(Jul'04 11th -17
)
A
. viscosity
of pond water is greater than that of ocean water
B
. density
of ocean water is higher than that of pond water
C
. temperature
of pond water is lower than that of ocean water
D. mass of ocean water is greater than that of pond waterSlide27
Compared to 250 g of gaseous nitrogen, 250 g of liquid nitrogen has greater _____. (Jul'04 11th -35
)Slide28
Compared to 250 g of gaseous nitrogen, 250 g of liquid nitrogen has greater _____. (Jul'04 11th -35
)
A
. volume
B
. temperature
C
. mass
D
. densitySlide29
According to this information, Block Z is most likely composed of _____. (2008 Released 11th - Obj4-1)Slide30
According to this information, Block Z is most likely composed of _____. (2008 Released 11th - Obj4-1)
A
. balsa
B
. ebony
C
. maple
D
. poplarSlide31
A 500
mL
quantity of vanilla ice cream has a mass of 400 grams. The manufacturer then bubbles air into the ice cream so that its volume increases by 300
mL.
What is the ice cream’s approximate final density?
(Oct'05 11th -18)Slide32
A 500
mL
quantity of vanilla ice cream has a mass of 400 grams. The manufacturer then bubbles air into the ice cream so that its volume increases by 300
mL.
What is the ice cream’s approximate final density?
(Oct'05 11th -18)
A. 0.30
g/cm
3
B
. 0.50
g/cm
3
C. 0.80 g/cm3D. 1.30 g/cm3Slide33
What is the density at 20
o
C of 12.0 milliliters of a liquid that has a mass of 4.05 grams?
(Spr'03 10th -31)Slide34
What is the density at 20
o
C of 12.0 milliliters of a liquid that has a mass of 4.05 grams?
(Spr'03 10th -31)
A. 0.338 g/
mL
B. 2.96 g/
mL
C. 16.1 g/
mL
D. 48.6 g/
mLSlide35
Three liquids were poured into a beaker and formed three layers. Which conclusion is best supported by the information above?
A
The mass of Liquid 2 is greater than the mass of Liquid 3.
B
The volume of Liquid 1 is less than the volume of Liquid 3.
C
The density of Liquid 3 is greater than the density of Liquid 2.
D
The buoyancy of Liquid 2 is greater than the buoyancy of Liquid