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Worksheetsideal gas laws
Total questions: 50
Worksheet time: 3hrs 25mins
Name
Class
Date
1.
What is the formula for Boyle's Law?
a)
P1V1=P2V2
b)
P1V1/P2V2
c)
P1V2=P2V1
d)
P1/V1=P2/V2
2.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
3.
When Volume increases then Pressure must...
a)
Increase
b)
Decrease
4.
What is the new volume of the gas if the pressure on 350 L of oxygen at 720 mm Hg is decreased to 600 mm Hg?
a)
420 L
b)
29.16 L
c)
4200.0 L
d)
291.6 L
5.
A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure?
a)
12.9 L
b)
0.72 L
c)
7.2 L
d)
3.44 L
6.
A gas at a volume of 4 liters is at a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?
a)
2 atm
b)
12 atm
c)
10 atm
d)
0.5 atm
7.
The pressure on a sample of gas is increased from 1.0 atm to 3.0 atm. If the new volume is 0.52 L, find the original volume.
a)
0.52 L
b)
1.56 L
c)
0.173 L
d)
1.00 L
8.
What type of relationship to pressure and volume have?
a)
direct
b)
inverse
c)
no relationship
d)
I don't know
9.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
10.
The relationship of which two variables are compared in Boyle's Law?
a)
pressure & volume
b)
volume & temperature
c)
temperature & pressure
d)
volume & moles (amount of gas)
11.
Which two variables must be held constant for Boyle’s Law to apply?
a)
pressure & volume
b)
volume & temperature
c)
temperature & moles (amount of gas)
d)
volume & moles (amount of gas)
12.
LeGarrette Blount decides to go scuba diving while on vacation in Mexico. As he swims deeper into the ocean, the pressure pushing on him increases. Based on the relationship in Boyle’s law, what would happen to the volume of a LeGarrette’s lungs with this increase in pressure?
a)
volume of the lungs would increase
b)
volume of the lungs would have no change
c)
volume of the lungs would double
d)
volume of the lungs would decrease
13.
The volume of an average NFL player is 2.4 L and the pressure is 101.70 kPa during exhalation. If the pressure during inhalation is 101.01 kPa, what is the volume of the lungs of a NFL player during inhalation?
a)
2.38 L
b)
2.4 L
c)
5.1 L
d)
4284 L
14.
True or False: Gases can be compressed.
a)
True
b)
False
15.
What is the formula Charles' Law?
a)
V = T
b)
VT = VT
c)
T1 / V1 = T2 / V2
d)
V1 / T1 = V2 / T2
16.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
17.
(Charles Law) There are 65 liters of helium in a balloon at 35 K. If the temperature of the balloon is increased to 40 K, what will the new volume of the balloon be?
a)
40 L
b)
70 L
c)
74.3 L
d)
75.9 L
18.
(Charles Law) There are 40 liters of helium in a balloon at 100 K. If the temperature of the balloon is increased to 200 K, what will the new volume of the balloon be?
a)
80 L
b)
45 L
c)
54 L
d)
45.33 L
19.
Tom Brady enjoys balloon animals from the carnival. He just received a balloon giraffe that has an initial temperature of 39.0°C and a volume of 1.28 L. If Gronkowski plays a trick on Tom, and puts his balloon giraffe into the freezer, what would be the new volume of the balloon if the temperature drops down to 8.0°C?
(Don’t forget about what must be done to temperatures!)
(Don’t forget about what must be done to temperatures!)
a)
1.42 L
b)
6.85 x 104 L
c)
3.78 L
d)
1.15 L
20.
Tom wants his balloon back to normal size so he decides to put it on a heating vent. If the balloon initially has a volume of 0.6 L and a temperature of 293 K, what will the volume of the balloon be when it heats up to a temperature of 176°C?
a)
0.39 L
b)
0.92 L
c)
0.78 L
d)
0.92 K
21.
Edelman and Gronkowski want to play a game of beach volleyball. If the beach ball has a volume of 261 L at a temperature of 502 K, what will the temperature of the balloon be if the volume decreases to 176 L?
a)
744 K
b)
0.0030 K
c)
339 K
d)
512 K
22.
If 200 mL of a gas at 27°C is cooled to -33°C at a constant pressure, the volume will be
a)
250 mL
b)
204 mL
c)
196 mL
d)
160 mL
23.
The volume of a sample of a gas at 273 oC is 200 liters. If the volume is decreased to 100 liters at constant pressure, what will be the new temperature of the gas?
a)
0 K
b)
546 K
c)
273 K
d)
100 K
24.
A sample of oxygen gas in a closed system has a volume of 200 milliliters at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, the new volume of the gas will be -
a)
400 milliliters.
b)
300 milliliters.
c)
100 milliliters.
d)
200 milliliters.
25.
The volume of a gas at 25ο C is 3.8 L. What will be the volume of that gas at 57 ο C if the pressure is held constant?
a)
8.66 L
b)
4.21 L
c)
6.34 L
d)
3.46 L
26.
A gas with a volume of 400 mL at 120 οC is heated until its volume is 700 mL. What is the new temperature ( in degree Celsius) of the gas if the pressure is constant?
a)
4 14.75 οC
b)
687.75 οC
c)
210 οC
d)
68.57 οC
27.
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
28.
What is the variable for this number 22.4 L
a)
P
b)
T
c)
n
d)
V
29.
What is the variable for this number 32oC
a)
P
b)
T
c)
n
d)
V
30.
What is the variable for this number 9.10 atm
a)
P
b)
T
c)
n
d)
V
31.
What is the variable for this number 122 K
a)
P
b)
T
c)
n
d)
V
32.
What is the variable for this number 1.5 mol
a)
P
b)
T
c)
n
d)
V
33.
PV=nRT
a)
Charles Law
b)
Boyle's Law
c)
Combined Gas Law
d)
Ideal Gas Law
34.
Which law helps us find the moles of gas in a sample?
a)
Charles Law
b)
Boyle's Law
c)
Combined Gas Law
d)
Ideal Gas Law
35.
Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.
a)
7.18 L
b)
7.81 L
c)
4.63 L
d)
4.36 L
36.
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
37.
What does R stand for
a)
Ideal gas constant
b)
Real gas constant
c)
Temperature constant
d)
Ideal gas law
38.
Which is a correct unit for R?
a)
L.atm/mol.k
b)
L.atm
c)
mmHg/mol.K
d)
L.atom/mol
39.
Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa.
a)
-266 degrees C
b)
-622 degrees C
c)
622 degrees C
d)
266 degrees C
40.
What pressure, in atm, is exerted by 2.50 L of gas containing 1.35 mol at 320 K?
PV=nRT
PV=nRT
a)
14.19 atm
b)
16.53 atm
c)
18.42 atm
d)
22.54 atm
41.
The ideal gas law is an equation that relates the what variables to a constant of R.
a)
volume, pressure, temperature
b)
volume, temperature, pressure, amount of gas particles
c)
volume, pressure
d)
volume, temperatue
42.
If n and T are held constant, the ideal gas law reduces to
a)
Charles' law
b)
Boyle's law
c)
Avogadro's principle
d)
zero
43.
In the ideal gas law, which variable represents the gas constant?
a)
n
b)
R
c)
T
d)
V
44.
Which of the following temperatures is appropriate to convert 25oC into the Kelvin scale?
a)
373K
b)
272K
c)
372K
d)
273K
45.
Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.
a)
7.18 L
b)
7.81 L
c)
4.63 L
d)
4.36 L
46.
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
47.
How many liters of gas are there in 44 g of bromine gas at STP?
a)
3.5 L
b)
10.54 L
c)
12.34 L
d)
6.17 L
48.
Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure. pV=nRT and R = 0.0821 L*atm/mol*K
a)
0 K
b)
107 K
c)
207 K
d)
307 K
49.
Adding heat to a non-flexible container of gas will cause
a)
the molecules to slow and down hit the sides less often. The pressure will decrease.
b)
the container to explode.
c)
the molecules to speed up and hit the sides more often. The pressure will increase.
50.
What is happening as you move from volume 1 to volume 2?
a)
The pressure is held constant
b)
There are the same number of molecules in a smaller container, so volume 2 will have a higher pressure because the molecules are hitting the sides more often.
c)
There are more molecules in volume 2, which would cause them to be hotter and move faster, therefore pressure is increased.
d)
Volume 1 would have a higher pressure.
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