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WorksheetsHonors Gas Laws Review
Total questions: 28
Worksheet time: 41mins
Name
Class
Date
1.
3. According to Boyle's law, at constant temperature, as the pressure of a given sample of gas is increased, the volume will –
a)
Increase
b)
Decrease
c)
Remains the same
2.
5. As per Charles' Law if temperature of any gas is increased its volume will -
a)
increase
b)
decrease
c)
remains the same
3.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
4.
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
5.
Phase change from a gas to a liquid.
a)
condensation
b)
evaporation
c)
melting
d)
deposition
6.
Phase change from a liquid to a gas that only happens at the surface.
a)
evaporation
b)
boiling
c)
sublimation
d)
melting
7.
Phase change from a solid to a liquid.
a)
melting
b)
sublimation
c)
boiling
d)
condensation
8.
The molecules of a gas are in constant and random motion.
a)
TRUE
b)
FALSE
c)
DEPENDS UPON THE KIND OF MOLECULE
9.
What is 0.00 degrees Kelvin known as
a)
No such thing
b)
Very cold
c)
Freezing point of Water
d)
Absolute Zero
10.
How do you convert Celsius to Kelvin?
a)
Add 273
b)
Subtract 273
c)
You can't convert those
d)
They are the same thing
11.
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
12.
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
13.
Three factors that influence gas pressure are
a)
Volume, temperature and number of particles
b)
Pressure, gas particles and volume
c)
Number of gas particles, volume and speed of particles
d)
None of the above
14.
A gas occupies 12.3 liters at a pressure of 40.0 mm Hg. What is the volume when the pressure is increased to 60.0 mm Hg?
a)
18.5 L
b)
8.2 L
c)
195 L
15.
f a gas at 25.0 °C occupies 3.60 liters at a pressure of 1.00 atm, what will be its volume at a pressure of 2.50 atm?
a)
9 L
b)
.69 L
c)
1.44 L
16.
A gas occupies 11.2 liters at 0.860 atm. What is the pressure if the volume becomes 15.0 L?
a)
.62 atm
b)
195 atm
c)
1,15
17.
A gas takes up a volume of 17 liters, with a pressure of 2.3 atm, and a temperature of 200K. If the temperature is raised to 299K and the pressure is lowered to 1.5 atm. What is the new volume
a)
60 L
b)
38.9 L
c)
45 L
18.
How many moles of gas are contained in .89L at 21.0 °C and 999. 9 kPa pressure?
a)
5 moles
b)
.37 mols
c)
2 mols
d)
100 mols
19.
At what pressure would 0.150 mole of nitrogen gas at 23.0 °C occupy 8.90 L?
a)
41 kPa
b)
23 kPa
c)
240 kPa
20.
How many moles of gas are contained in 890.0 mL at 21.0 °C and 750.0 mm Hg pressure?
a)
.0364
b)
.00474
c)
.5096
d)
.0684
21.
1.09 g of H2 is contained in a 2.00 L container at 20.0 °C. What is the pressure in this container in atm?
a)
14.29 atm
b)
.443 atm
c)
6.55 atm
d)
3.28 atm
22.
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
23.
Collisions between gas particles are said to be "elastic" because _________________________.
a)
they have a stretchy waistband
b)
kinetic energy is lost between particles
c)
kinetic energy is not lost between particles and is instead transferred
d)
particles move in a straight line
24.
Pressure is caused by ______.
a)
gravity.
b)
gas molecules colliding with each other.
c)
gas molecules colliding with surfaces of the container.
d)
gas molecules reacting with each other.
25.
The molecules of a gas are in constant and random motion.
a)
TRUE
b)
FALSE
c)
DEPENDS UPON THE KIND OF MOLECULE
26.
Mg3N2(s) + 3H2O(l) ––> 3 MgO + 2NH3(g)
If 10.3 g of magnesium nitride is used, what volume of ammonia gas would be collected at 20˚C and 0.989 atm?
If 10.3 g of magnesium nitride is used, what volume of ammonia gas would be collected at 20˚C and 0.989 atm?
a)
27.1 L H2
b)
4.96 L H2
c)
0.204 L H2
d)
10.3 L H2
27.
4NH3+6NO --> 5N2 + 6H2O
How many liters of NH3 at 32.6 oC and 4.25 kPa are needed to react completely with 30.0L of NO at STP?
a)
5.27 L
b)
534 L
c)
5.2 L
d)
533.6 L
28.
2Cu2S + 3O2 → 2Cu2O + 2SO2
This reaction uses 18.2 g of copper (I) sulfide. What volume of sulfur dioxide gas would be collected at 237°C and 10.7 atm?
a)
0.446 L
b)
57 L
c)
0.207 L
d)
0.21 L
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