WorksheetsCard Practice Gas Laws
Total questions: 21
Worksheet time: 31mins
Name
Class
Date
1.
What about gasses can be measured?
a)
Pressure and Volume
b)
Temperature, Volume, and Pressure
c)
Volume and Temperature
d)
Pressure, Temperature, Volume, and Moles
2.
What is the device that measures atmospheric pressure?
a)
Aerometer
b)
Annemeter
c)
Barometer
d)
Humidity Detector
3.
What will happen to the volume of a gas under constant temperature if the pressure increases?
a)
Increase
b)
Decrease
c)
Nothing
d)
Explosion!
4.
How are pressure and volume related?
a)
Directly
b)
Indirectly
c)
They aren't related
5.
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
6.
What law combines all 3 factors (pressure, temperature, and volume)
a)
Combined Gas Law
b)
Charle's Law
c)
Boyle's Law
d)
Avagadros Ideal Gas Law
7.
If a gas is measured to have a volume of 0.5atm at 273K, what would happen to the pressure if the temp increased to 300K?
a)
increase
b)
decrease
c)
remain the same
8.
A balloon is filled with 1.9 moles of He at 45C. WHat would happen to the pressure in the balloon if 0.20moles of He are removed at the same pressure?
a)
increase
b)
decrease
c)
remain the same
9.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
10.
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
11.
Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm (make sure you use the correct R value).
a)
7.18 L
b)
7.81 L
c)
4.63 L
d)
4.36 L
12.
Three gases, Ar, N2 and H2 are mixed in a sealed container. Ar has a pressure of 255 torr, N2 has a pressure of 228torr and H2 has pressure of 752torr. What is the total pressure in the container?
a)
483torr
b)
270torr
c)
1235torr
13.
A container is filled with H2, and H2O. Calculate the partial pressure of H2 when the pressure of water is 17torr. The total pressure of the gases is 750torr.
a)
767.5torr
b)
732torr
c)
42.86torr
14.
Determine the initial temperature of a random gas when the initial volume is 2.2 L and it is cooled to 88K with a volume of 0.85 L.
a)
0.029 K
b)
0.021 K
c)
227.76 K
d)
34 K
15.
A flexible container experiences 1000 psi of pressure and has a volume of 12 L. If the pressure increases to 1200 psi, what is the new volume? (No math required)
a)
10 L
b)
12 L
c)
14 L
d)
16 L
16.
If the pressure exerted by a gas at 25 degrees C in a volume of 0.044 L is 3.81 atm, how many moles of gas are present?
a)
.002766 mole
b)
.0069 mol
c)
2.766 mol
d)
9.887 mol
17.
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
18.
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
19.
how many times faster does He effuse compared to N2 (He = 4 N2 = 28)
a)
1.2 times faster
b)
2.65 times faster
c)
7 times faster
d)
0.377 times faster
20.
When a substance flows from an area of high concentration to low concentration.
a)
Effusion
b)
Diffusion
c)
Osmosis
d)
Kinetic-molecular movement
21.
How much faster will gaseous hydrogen effuse than gaseous chlorine under the same physical conditions?
a)
5.92
b)
5.95
c)
0.03
d)
1.00
100 %
