Section 11.1
Gas Pressure
Practice Test
1.
The air in tires can support a truck or automobile because gases _________________.
a.
exert pressure
b.
have mass
c.
have volume
d.
have gravity
Hint
2.
Temperature constant, the pressure in a gas-filled container is directly proportional to the _______________________.
a.
molecular mass of the gas
b.
number of gas particles within
c.
surface area of the container
d.
volume of the container
Hint
3.
A gas exerts a force of 18.0 N over a surface area of 3.00 m
2
. What pressure does the gas exert?
a.
0.167 atm
b.
6.00 Pa
c.
18.0 Pa
d.
56.0 lb/in
2
Hint
4.
Volume constant, the pressure of a confined gas is directly proportional to the ______________.
a.
Celsius temperature
b.
Kelvin temperature
c.
molecular mass of the gas
d.
size of the container
Hint
5.
A _____________ is a device used to measure gas pressure.
a.
barometer
b.
thermometer
c.
anemometer
d.
balance
Hint
6.
____________ is the pressure that supports a 760-mm column of mercury.
a.
One atmosphere
b.
One lb/in
2
c.
One pascal
d.
One meter
Hint
7.
One atmosphere pressure equals _______________.
a.
101.3 kPa
b.
760 Pa
c.
76.0 torr
d.
1000 kPa
Hint
8.
Suppose that a tire pressure gauge reads 32.1 lb/in
2
. If 14.7 lb/in
2
equals 101 300 Pa, what is the pressure in kPa?
a.
221 kPa
b.
.0422 kPa
c.
1000 kPa
d.
2.18 kPa
Hint
