Unit 11 Gas Laws Problems Progress Check
Quiz by Hugh King
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- Q1
An air pump is filled with air that has a volume of 1.5 liters and a pressure of 1 atm, if the volume is decreased to 0.25 liters what is the new pressure?
2.75 atm
6.0 atm
2.5 atm
0.167 atm
30s - Q2
A balloon contains 5.0 liters of helium at 10oC. What will the new volume be if it heated to 25oC?
12.5 liters
5.3 liters
6.7 liters
0.018 liters
30s - Q3
A truck tire has a pressure of 414 kPa @ 25oC. If the temperature decreases to 5oC what is the new pressure in the tire?
1.4 kPa
386.2 kPa
82.8 kPa
282.3 kPa
30s - Q4
If a 1.75 liter container of oxygen gas is pressurized to 250 kPa at 24oC. How many moles of oxygen gas would it contain?
151.5 moles
17.9 moles
0.18 moles
222.0 moles
30s - Q5
What formula is used to calculate this problem?
What volume does 2.0 moles of hydrogen gas have if it is held at 1.8 atmospheres and a temperature of 100 K?
PV=nRT
30s - Q6
A balloon contains 5.0 liters of helium at 10oC it is then heated to 25oC. What value should be used for T1 when calculating this problem?
25oC
5 liters
283 Kelvin
10oC
30s - Q7
When using PV=nRT what value for R do you use when pressure is measure in kPa?
8.134
0.0821
30s - Q8
What formula is used to calculate this problem?
An air pump is filled with air that has a volume of 1.5 liters and a pressure of 1 atm, if the volume is decreased to 0.25 liters what is the new pressure?
PV=nRT
30s - Q9
What formula is used to calculate this problem?
A truck tire has a pressure of 414 kPa @ 25oC. If the temperature decreases to 5oC what is the new pressure in the tire?
PV=nRT
30s - Q10
What does milliliters measure?
temperature
pressure
volume
number of moles
30s - Q11
What does atm measure?
temperature
pressure
number of moles
volume
30s - Q12
What does torr measure?
pressure
number of moles
volume
temperature
30s - Q13
What does kPa measure?
pressure
temperature
volume
number of moles
30s - Q14
What does kelvin measure?
number of moles
volume
temperature
pressure
30s - Q15
What does Celsius measure?
temperature
number of moles
volume
pressure
30s
