Name:
Period:
Date:
Density Review Questions
mL
mL
g
68.4 g
INnr¡,r,
86.8
g
g
@s
I¡vmHr.
FIN¡r,
1. What is the density of the object?
72.1 s
t.4t glmL
X'rNlr,
3, What is the density of the object? 0.833 glmL
Density Experiment with
a Magnetic Steel Alloy
mL
Mass of weighing bottle (g):
Mass of weighing bottle + alloy (g):
Mass of alloy (g):
83.2
g
Ixrtr¡¡
111.7g
Frnll,
2. What is the density of the object? 2.85
g/ml
22.35
161.02
q38.67
Volume of water in graduated
cylinder (mL):
40.3
Volume of water in graduated
cylinder after alloy submerged (mL):
60.4
Volume of alloy (mL):
20.1
Density of alloy (g/ml):
6.899
4. F¡ll in all of the blanks in the data table.
MAPrE
t'tboD
SAtrrPlEs
Gravity
+tt
Original Flete
tsl/
ûo¿
1oo¿
rÁ
%
I
\þ
Drsnr.mo
Snlr
Wnr¡n
Wnren
111
of
2. How does adding salt to
3. What force is pushing up
an object change when it is
water affect the density of
on the block of wood so that
cut apart into its pieces?
the solution? So/t woter
it will stay afloat?
Density does not chonge
become more dense becouse
bouyancy
1. How does the density
of the sdlt porticles
States of Matter
4. Based on the illustration, how is the density of
an object affected as it changes from solid to
liquid to gas? Density decreased os particles
o
Solid
become less compocted from solid to liquid to gas
Gas
Liquid
state.
5. Compounds above have the same chemical composition, but they have different
densities because they
C vary in solubility
A have differences in
D exist in different phases
B are able to bond with
reactivity
oxygen
40
6. A student measures the mass of an
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empty graduated cylinder as87.76
grams. The student then pours a liquid
into the cylinder and places it on the
scale. According to the student's
measurements, what is the density of
the liqu¡d in grams per milliliter?
Record and bubble in your answer.
D = Lt4I / 45 mL= 2.533 g/mL
30
20
t0
L. Which of the materials below is the most dense?
A Rubber
band
B
Penny
C
Water
2. Which of the materials below is the least dense?
A Paper
Clip
B
Syrup
C
Toothpick
Toothpick
Cooking
oil
Plaslic ring
3, Which of the following pair is more dense?
Plastic
ring or
Rubbar band
Water
Chocolate
Chocolato
4. Which of the following pair is more dense?
Cooking
Oil or
Water
Syrup
Paper clip
5. Which of the following pair is more dense?
Toothpick
or
Penny
Ponny
6. Which liquid has a density which is greater than
L.00 e/mL?
with a volume of 405 cubic centimeters and a density of 0.67
g/cm3 is sawed in half. The density of the two smaller blocks is now p 2.7 g/cm3
c L.3 g/cms
B 0.67 glcmt
A 0.34 g/cms
8. A block of maple wood
Boiling Point
Liquid
Description
Density
(g/mL)
o
Nonflammable colorless compound
1.62
59.5
R
Flammable colorless compound
o.71
34.6
S
Yellow mixture with strong odor
0.73
160.4
T
Viscous pale-yellow oil
0.93
300.0
("c)
9. The table shows propert¡es of four liquids that are insoluble in water. lf the four
liquids are poured into an Erlenmeyer flask conta¡ning water, which liquid will form a
layer below the water?
DT
AQ
BR
CS