1. A 25.5 L balloon was holding 154 grams of Carbon Dioxide, when it sprung a leak. If we are able to determine that 8.36 grams of Carbon Dioxide escaped before the container was sealed, what is the new volume of the container?
A. 15.61 L
B. 24.04 L
C. 13.84 L
D. 2.66 L
2. If a container has expanded to 14.5 L when 182g of Carbon Dioxide is inside what was the original amount of Carbon Dioxide in the container if the original size was 2.8L?
A.9.83 mol
B. 0.79 mol
C. 35.14 mol
D. 23.87 mol
3. If 14 grams of Nitrogen gas has a volume of 11.0 L, with pressure and temp holding constant, what would the new volume be if the mass was increased to 21 grams ?
A.16.5 L
B. 7.32 L
C. 0.034 L
D. 21.5 L
4. In a steel container, it was found that the pressure of the gas inside was 1200 torr when the container was heated to 98 C. What had been the pressure of the gas, in kilopascals, when the temperature was 50 C the previous day?
A.183.7 kPa
B. 139.9 kPa
C. 81.6 kPa
D. 313.6 kPa
5. The pressure of a sample of gas in a steel tank is 30 kPa. If the temperature of the steel tank is increased from -100C to 1.0 X 10^3C What is the new pressure in the tank?
A.220.75 kPa
B. 173.4 kPa
C. 87.46 kPa
D. 4.12 kPa
6. A tank of a compressed gas has a maximum safe pressure limit of 850 kPa. The pressure gauge reads 425 kPa when the temperature is 28 C. What is the highest temperature the tank can withstand safely?
A.602 K
B. 150 K
C. 42 K
D. 14 K
7. A 5.0 L container was allowed to expand to 25.5 L at 450 K. What was the original temperature of the container?
A.2295 K
B. 110.3 K
C. 400 K
D. 88.2 K
8. A 50.0 mL sample of gas is cooled from 119 C to 80.0 C. If the pressure remains constant, what is the final volume of the gas?
A.0.055 L
B. 55.5 L
C. 45.02 L
D. 0.04 L
9. Maintaining a constant pressure, the volume of a gas is increased from 18 L to 32 L by heating it. If the original temperature was 18 C, what is the new temperature?
A.1.9 K
B. 244.5 K
C. 517.3 K
D. 274.9 K
10. If a gas at 25.0C occupies 3.60 L at a pressure of 1atm, what will be its volume at a pressure of 2.5atm?
A.1.44 L
B. 0.10 L
C. 0.69 L
D. 0.36 L
11. An air compressor has a volume of 110 L. What volume of gas is pumped into the tank if the pressure goes from 950 torr to 145 psi?
A.136.8 L
B. 1252.27 L
C. 24.22 L
D. 13.93 L
12. If the volume of an air pump used to inflate a football decreases from 480 mL to 375 mL, and the original pressure was 93.5 kPa, what will the new air pressure be if the molar mass and temperature remain constant?
A.0.0083 kPa
B. 73 kPa
C. 119.68 kPa
D. 179.6 kPa
13. A gas is heated from 263.0 K to 298.0K and the volume is increased 24.0L to 35.0L by moving a large piston within a cylinder. If the original was 1.0 atm, what would the final pressure be?
A.0.13 atm
B. 12.9 atm
C. 4.98 atm
D. 0.777 atm
14. If a 256mL container is under 720 torr at 25C, what would the new pressure be if the temp went to 50C but the volume was reduced to 250mL?
A.245.36 torr
B. 1025.69 torr
C. 686.59 torr
D. 799.12 torr
15. The pressure of a gas is reduced from 1200.0mmHg to 850.0 mmHg as the volume of its container is increased by moving a piston from 85.0 mL to 350mL. What would the final temp be if the original temp was 90C?
A.124.4 K
B. 965.2 K
C. 211.01 K
D. 1058.75 K
16. If I contain 3 moles of gas in a container with a volume of 60 liters and at a temperature of 400 K, what is the pressure , in mmHg, inside the container?
A.1.642 mmHg
B. 1248 mmHg
C. 44.92 mmHg
D. 166.28 mmHg
17. Determine the number of grams of Iodine gas in a 3.0L container at 300K and a pressure of 1.5 atm.
A. 0.183 g
B. 46.40 g
C. 8.314 g
D. 6.98 g
18. If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a temperature of 87 C, how many moles of gas do I have?
A.11.3 mol
B. 1.25 mol
C. 167.9 mol
D. 5.21 mol
