A balloon is filled to a volume of 7.00 x 10
2
mL at a temperature of 20.0
o
C.
The
balloon is then cooled at constant pressure to a temperature of 1.00 x 10
2
K.
What
is the final volume of the balloon?
239 mL
10. Consider the following chemical equation:2NO2(g) → N2O4(g)If 25.0 mL of NO2gas is completely converted to N2O4gas under the same conditions, what volume will the N2O4occupy?
11. Complete the following table for an ideal gas
P(atm)
V(L)
n(mol)
T
7.74 x 10
3
Pa
12.2 mL
3.81 x 10
-5
25
o
C
179 atm
43.0 mL
0.421 mol
223 K
455 torr
3.6 L
4.4 x 10
-2
mol
331
o
C
745 mm Hg
11.2 L
0.401 mol
61
o
C
12.
A person accidentally swallows a drop of liquid oxygen, O
2
(l),
which has a
density of 1.149 g/mL.
Assuming the drop has a volume of 0.050 mL, what
volume of gas will be produced in the person’s stomach at body temperature
(37
o
C) and a pressure of 1.0 atm?
46 mL
13.
A bicycle tire is filled with air to a pressure of 100.psi at a temperature of 19
o
C.
Riding the bike on asphalt on a hot day increases the temperature of the tire to
58
o
C.
The volume of the tire increases by 4.0%.
What is the new pressure in the
bicycle tire?
109 psi
14.
A container is filled with an ideal gas to a pressure of 40.0 atm at 0
o
C.
a.
What will be the pressure in the container if it is heated to 45
o
C?
46.6 atm
b.
At what temperature would the pressure be 1.50 x 10
2
atm?
1.02 x 10
3
K
c.
At what temperature would the pressure be 25.0 atm?
171 K
15.
A compressed gas cylinder contains 1.00 x 10
3
g of argon gas.
The pressure
inside the cylinder is 2050. psi (pounds per square inch) at a temperature of 18
o
C.
How much gas remains in the cylinder if the pressure is decreased to 650.psi at a
temperature of 26
o
C?
309 g Ar remains

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- Summer '08
- Kumar
- pH