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Gas Laws Review
Test Description: Reviews the gas laws and pressure.
Instructions: Answer all questions to get your test result.
1) Pressure is the force per unit
A
Volume
B
Length
C
Depth
D
Surface Area
2) The SI unit of force is the
A
Torr
B
Pascal
C
Pound
D
Newton
3) If force is held constant as surface area decreases, pressure
A
increases
B
increases or decreases, depending on the volume change
C
decreases
D
remains constant
4) What instrument measures atmospheric pressure?
A
Barometer
B
Vacuum Pump
C
Torrometer
D
Manometer
5) A pressure of 745 mm Hg equals
A
745 torr
B
1 torr
C
745 pascal
D
1 pascal
6) Who developed the concept that the total pressure of a mixture of gases is the sum of their partial pressures?
A
Boyle
B
Kelvin
C
Charles
D
Dalton
7) A mixture of four gases exerts a total pressure of 860 mm Hg. Gases A and B each exert 220 mm Hg. Gas C exerts 110 mm Hg. What pressure is exerted by gas D?
A
165 mm Hg
B
220 mm Hg
C
860 mm Hg
D
310 mm Hg
8) The volume of a gas is 400.0 mL when the pressure is 1.00 atm. At the same temperature, what is the pressure at which the volume of the gas is 2.0 L?
A
5.0 atm
B
0.20 atm
C
800 atm
D
0.5 atm
9) The volume of a gas is 5.0 L when the temperature is 5.0 degrees Celsius. If the temperature is increased to 10.0 degrees Celsius without changing the pressure, what is the new V?
A
2.5 L
B
4.8 L
C
10.0 L
D
5.1 L
10) Why does the air pressure inside the tires of a car increase when the car is driven?
A
The air particles collide with the tire after the car is in motion.
B
The atmosphere compresses the tire.
C
The air particles inside the tire increase their speed because their temperature rises.
D
Some of the air has leaked out.
*select an answer for all questions
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