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WorksheetsGas Laws Review
Total questions: 20
Worksheet time: 28mins
Name
Class
Date
1.
A gas that has a pressure of 2 atm and a volume of 10 L. What would be the new volume if the pressure was changed to 1 atm?
a)
P1/T1 = P2/T2
b)
P1V1 = P2V2
c)
V1/n1 = V2/n2
d)
PV = nRT
2.
A sample of a gas has a volume of 852 mL at 298 K. What temperature is necessary for the gas to have a volume of 945 mL?
a)
Pt = P1 + P2 + P3 + ...
b)
P1V1 = P2V2
c)
V1/T1 = V2/T2
d)
P1V1/T1 = P2V2/T2
3.
If a nitrogen gas occupies a volume of 500 ml at a pressure of 0.971atm. What volume will the gas occupy at a pressure of 1.50 atm?
a)
P1V1 = P2V2
b)
PV = nRT
c)
P1/T1 = P2/T2
d)
V1/n1 = V2/n2
4.
If the pressure exerted by a gas at 298 K in a volume of 0.044 L is 3.81 atm, how many moles of gas are present?
a)
P1/T1 = P2/T2
b)
PV = nRT
c)
V1/n1 = V2/n2
d)
P1V1 = P2V2
5.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
6.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
7.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
8.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
9.
In the ideal gas law, which variable represents the gas constant?
a)
n
b)
R
c)
T
d)
V
10.
Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure.
a)
0 K
b)
107 K
c)
207 K
d)
307 K
11.
A student inflates a balloon with helium then places it in the freezer. The student should expect
a)
the balloon's volume to increase
b)
the balloon's volume to decrease
c)
the balloon's moles to increase
d)
the balloon's moles to decrease
12.
Gas Laws involve what three terms?
a)
Solid Liquid Gas
b)
Speed Velocity Acceleration
c)
Elements Compounds Mixtures
d)
Pressure Temperature Volume
13.
Which law?
a)
Boyle
b)
Charles
c)
Landis
d)
Boykin
14.
Directly proportional means that as one value increases ....................
a)
the other stays the same
b)
the other increases as well
c)
the other decereases
d)
the other goes to zero
15.
Inversely proportional means as one value increases the other.............
a)
increases
b)
decreases
c)
stays the same
d)
goes to zero
16.
When a basketball is left outside in the cold it goes flat because the volume of air inside the ball has been reduced. What gas law does this represent?
a)
Boyle's Law
b)
Charles's Law
17.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
18.
How do gas molecules move?
a)
in an orderly fashion
b)
constantly and randomly
c)
in straight line paths
d)
in a circular motion
19.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
20.
What causes pressure?
a)
The walls of the container
b)
The vacuum in the container
c)
The collisions of the particles
d)
Atmospheric pressure acting on the outside walls
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