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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
Depth
C
Surface Area
D
Length
2) The SI unit of force is the
A
Newton
B
Pound
C
Torr
D
Pascal
3) If force is held constant as surface area decreases, pressure
A
decreases
B
remains constant
C
increases
D
increases or decreases, depending on the volume change
4) What instrument measures atmospheric pressure?
A
Torrometer
B
Manometer
C
Vacuum Pump
D
Barometer
5) A pressure of 745 mm Hg equals
A
1 pascal
B
745 pascal
C
745 torr
D
1 torr
6) Who developed the concept that the total pressure of a mixture of gases is the sum of their partial pressures?
A
Dalton
B
Kelvin
C
Boyle
D
Charles
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
220 mm Hg
B
310 mm Hg
C
860 mm Hg
D
165 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
0.5 atm
B
5.0 atm
C
800 atm
D
0.20 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
10.0 L
B
5.1 L
C
2.5 L
D
4.8 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 air particles inside the tire increase their speed because their temperature rises.
C
The atmosphere compresses the tire.
D
Some of the air has leaked out.
*select an answer for all questions
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