7
Activity Section# _______
Name, ID ________________________
CaydenPlooster 026958761
First, Last, Student ID
Chapter 3 Density and Other Measures
Each question is worth 1 point unless stated. Remember all measures and uncertainties contain
units and significant figures. SHOW ALL WORK
1. The diameter of earth is 7,917.5 miles. What is the diameter in feet? What is it in km?
7,917.5 5381 41,804 10
7917.5 1.699
2. If the volume of a sphere is calculated using the formula V =
12,706.7958
1270mm
4 3
π r , what is the diameter
3
(meters) of a sphere with a volume of 129 m3?
V
r
Y
129
411
96 75
7 4724 4 d
d
6.27m
d
The volume of an unmarked flask was determined by filling the flask with water, and
9
3.
K
d 5246
subsequently measuring the volume of used to fill the flask. If the beaker contained exactly
540.02 mLs, what is this volume in quarts?
540.02mLphoton
y
570604
15706
4. It takes 16.0 gallons of propane to fill a tank for your barbeque. What is this volume of
propane in m3?
16gal
x1 x9,41 10,1 11 11,3 6,8
0
7
0605696m
0606m
5. Outside an airplane at 35,000 ft, the air temperature reaches -60. oF. What is this temperature
in Kelvin?
60 32
C
C
E
L92
51.1
4 51.1 273.15
K
222.05
1 222
C
E
F 32
C K 2.73.15
K
C
273.15
6. If 455 cm3 of a hydrochloric acid solution has a mass of 671 g what is the density of the
solution in g/mL?
Eff
d
1 4797
1,4791mL
7. A 750 mL bottle of wine contains exactly 744 mL of wine at 25 oC.
a. If the density of wine at 25 oC is 1.085 g/mL and the density of wine at 0oC is 0.99987
g/mL, what is the volume of the wine at 0oC?
ocj
volumeOc is
8oz.me
EE aEgFq
jtyna
1E.gg
iv 807me
b. Will the bottle burst when the wine freezes?
will burst due to the
807mL at Oi
volume being
8. A bottle of beer contains
5.0 % ethanol by volume. How many grams of ethanol (Etoh) can
the bottle
be found in a 16 fl oz beer? (Density of ethanol is 0.789 g/mL, assume 1 cup = 237 mL)
16 4
0
x'gtx
p
x
712
18 6993
1 8g
9. An empty flask has a mass of 78.69 grams. When completely filled with water, the flask has a
mass of 342.1 grams. If the density of the water in the flask is 0.9880 g/mL, what is the
volume of the water that fills the flask? What is the volume of the flask?
342 I
534
2
850
266.7914
v 266.6
10. A 0.972 mL blood sample from suspected drunk driver, is found to contain 0.000830 grams
of alcohol (Etoh). Calculate the percent by mass of Etoh in the drivers' blood given the
density of blood is 1.024 g/mL at body temperature.
1 0249 1
1972
1 0291.972
0.09830
00034
834
o