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WorksheetsGas Laws
Total questions: 9
Worksheet time: 20mins
Name
Class
Date
1.
What is the correct formula for Boyle's Law?
a)
V1/T1=V2/T2
b)
P1V1=P2V2
c)
P1/T1=P2/T2
d)
PV=nRT
2.
Which of the following temperatures is appropriate to convert 25oC into the Kelvin scale?
a)
373K
b)
272K
c)
372K
d)
273K
3.
Gay-Lussac's law shows the directly proportional relationship between which two variables?
a)
pressure-temperature
b)
volume-temperature
c)
volume-pressure
d)
temperature-number of moles
4.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
5.
A balloon of Argon gas has a volume of 150. mL when its pressure is 0.647 atm. What will the pressure of the gas be at a volume of 98.3 mL if the temperature remains constant?
a)
0.987 atm
b)
1.53 atm
c)
2.36 atm
d)
97.1 atm
6.
A balloon of helium gas occupies a volume of 1 L at 32°C. What volume will the gas occupy if we put it in a ice bath at a temperature of 0°C, assuming pressure remains constant? HINT: Temperature units MUST be in Kelvin!
a)
0 L
b)
1.11 L
c)
895 mL
d)
632 mL
7.
At STP, 1 mole of hydrogen gas (or ANY other gas for that matter) has a volume of 22.4 L. What would be the volume of a balloon if we used 0.15 moles hydrogen gas to fill it up?
a)
0.0067 L
b)
149 L
c)
0.0067 mL
d)
3.36 L
8.
The gas in an aerosol can exerts a pressure of 3.00 atm at 25°C. Directions on the can warn the user not to keep the can in a place where the temperature exceeds 100°C. What would the gas pressure in the can be at 100°C?
a)
3.76 atm
b)
2.40 atm
c)
12 atm
d)
0.75 atm
9.
What is the temperature of natural gas in an oil pipeline if we know there are 0.91 moles of the gas in the pipeline and the volume of the pipeline is 5.43 L and the gas is exerting a pressure of 4.21 atm?
R = 0.082 (L x atm) / (K x mol)
R = 0.082 (L x atm) / (K x mol)
a)
306 °C
b)
579.4 °C
c)
33.4 °C
d)
- 19.3 °C
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