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WorksheetsGas Laws Pretest
Total questions: 30
Worksheet time: 39mins
Name
Class
Date
1.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
2.
You have a gas that has a pressure of 2 ATM and a volume of 10L. What would be the new volume if the pressure was changed to 1 ATM?
a)
5 L
b)
20 L
c)
It would stay at 10L
d)
1 L
3.
Gases have...
a)
A definite shape and volume
b)
A definite shape but no definite volume
c)
No definite shape but a definite volume
d)
No definite shape or volume
4.
What happens to the average kinetic energy of matter when it is heated?
a)
It increases
b)
It decreases
c)
It doesn't change
d)
It cannot be determined
5.
If the temperature of a gas increases, the pressure...
a)
Decreases
b)
Increases
c)
Does not change
6.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
7.
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
8.
Boyle's law : The pressure and volume of a gas show a _____ relationship.
a)
No relationship
b)
Direct
c)
Inverse
d)
Equal
9.
In order to solve gas law calculations, temperature must be measured in:
a)
Fahrenheit
b)
Celsius
c)
Kelvin
d)
It doesn't matter
10.
What is the equation for Charles' Law?
a)
P1V1=P2V2
b)
V1/T1=V2/T2
c)
V1/n1=V2/n2
d)
P1/T1=P2/T2
11.
What is the equation for Gay Lussac's Law?
a)
P1V1=P2V2
b)
V1/T1=V2/T2
c)
V1/n1=V2/n2
d)
P1/T1=P2/T2
12.
What is the equation for Boyle's Law?
a)
P1V1=P2V2
b)
V1/T1=V2/T2
c)
V1/n1=V2/n2
d)
P1/T1=P2/T2
13.
What type of relationship is Charles' Law?
a)
Inverse
b)
Direct
c)
Not enough information
d)
#goals
14.
All matter consists of tiny particles that are in constant motion is referred to as __________
a)
Kinetic Energy
b)
Kinetic molecular theory
c)
absolute zero
d)
Pressure
15.
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)
57.5⁰C
b)
57.5⁰K
c)
330.5⁰K
d)
330.5⁰C
16.
What is NOT one of the assumptions of the Kinetic Molecular Theory (KMT)?
a)
Particles have no volume
b)
Particles move randomly
c)
Particles have no intermolecular forces
d)
Particles lose no energy in collisions
17.
Calculate the rate of effusion of oxygen and nitrogen.
a)
4.00
b)
1.07
c)
3.74
d)
0.94
18.
Diffusion is
a)
the ability of one gas to mix with another gas.
b)
the rate at which a gas flows through the air.
c)
an explosion of gases.
d)
the ability of a gas to move from a high pressure to a low pressure.
19.
Effusion is
a)
used to describe the combustibility of a gas.
b)
the ability of a gas to move from a high pressure to a low pressure
c)
what occurs after diffusion.
d)
the ability of a gas to mix with other gases.
20.
Which law describes that the total pressure equals the sum of the partial pressures?
a)
Charles
b)
Boyles
c)
Daltons
d)
Ideal
21.
A gas has a volume of 22.4 L at STP. What is the new volume if the pressure is increased to 2 atm and the temperature is decreased to 250 K?
a)
10.3 L
b)
24.5 L
c)
48.9 L
d)
20.6 L
22.
A sample of pure oxygen gas at STP occupies 2.00 L. How many moles of oxygen is this?
a)
24.4 mol
b)
0.007 mol
c)
1.44 mol
d)
0.09 mol
23.
A 7.00 L sample of argon gas at 420. K exerts a pressure of 625 kPa. If the gas is compressed to 1.25 L and the temperature is lowered to 350 K, what will be its new pressure in atm?
a)
10.4 atm
b)
2920 atm
c)
2916.7 atm
d)
28.8 atm
24.
Which of these are correct statements concerning Graham's Law of Diffusion?
a)
The higher molar mass travels faster
b)
The lower molar mass travels faster
c)
The lower molar mass travels slower
d)
Molar mass does not effect speed
25.
STP stands for
a)
Stone Temple Pilots
b)
Standard Temperature and Pressure
c)
SToP
d)
I like turtles
26.
Convert 2.3 ATM into mm of Hg.
a)
233 Kpa
b)
330 mm Hg
c)
1,748 mm Hg
d)
44 mm Hg
27.
Convert 4500 mm Hg to Kpa.
a)
5.9 Kpa
b)
44.51 Kpa
c)
455,850 Kpa
d)
600 Kpa
28.
Which of the following gases will effuse the quickest:
H2, Br2, F2, O2
H2, Br2, F2, O2
a)
H2
b)
Br2
c)
F2
d)
O2
29.
At 249 kPa sample of nitrogen is heated from 86 degrees Celsius to 107 degrees Celsius. What pressure will the sample have at the higher temperature?
a)
264 kPa
b)
266 kPa
c)
842 kPa
d)
824 kPa
30.
What is the pressure in a container that has 3atm H2, 2atm of N2 and 5 atm of F2?
a)
2 atm
b)
3 atm
c)
5 atm
d)
10 atm
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