Gas Laws Worksheet – 14A



Gas Laws Worksheet – 14A

Directions: Fill in the blanks.

Boyle’s Law

| |V1 |P1 |V2 |P2 |

|1. |25 mL |2 atm | |3 atm |

|2. |153 cc |750 torr | |800 torr |

|3. |11.2 L |790 torr | |1.6 atm |

|4. |273 mL |76 cm Hg |200 mL | |

|5. |1.5 L |900 torr |1000 mL | |

|6. | |270 mm Hg |100 mL |540 torr |

|7. |367 cc |2.1 atm | |1.4 atm |

|8. |275 mL |763 torr | |2 atm |

|9. |5.5 L |850 torr | |STD Pressure |

|10. | |15 atm |200 cc |5 atm |

Charles’s Law

| |V1 |T1 |V2 |T2 |

|1. |25 mL |7 oC | |20 oC |

|2. |15.3 L |100 oC | |50 oC |

|3. |112 cc |20oC | |40 oC |

|4. |5.5 L |17 oC | |37 oC |

|5. |255 mL |23 oC |400 mL | |

|6. |1600 cc |35 oC |8000 cc | |

|7. |540 mL |100 oC |220 mL | |

|8. |3.3 L |27oC |1500 cc | |

|9. |8.6 L |17 oC |500 mL | |

|10. |2500 cc |12 oC | |STD Temp. |

Combined Gas Law

| |V1 |T1 |P1 |V2 |T2 |P2 |

|1. |236 mL |15 oC |750 torr | |25 oC |STP |

|2. |1.5 L |23 oC |665 torr |1.25 L | |540 torr |

|3. |3500 cc |27 oC |1.27 atm |4000 mL |32 oC | |

|4. |16.7 mL |100 oC |223 torr | |STP |STP |

|5. |22.4 L |0 oC |760 torr | |STP |STP |

|6. |3 L |27 oC |590 torr | |STP |STP |

|7. |285 cc |100oC |775 mmHg | |STP |STP |

|8. |23 L |77 oC | | |20 oC | |

WKS 15 – Gas Laws

Show ALL work while solving the following problems. All answers should be indicated with the correct number of significant digits and units.

1. Convert each of the following pressures to the indicated unit.

a. 3.45 atm to kPa

b. 1240 torr to mmHg

c. 158.8 kPa to torr

d. 4.89 x 10 6 Pa to mmHg

e. 808 torr to atm

2. Convert the following temperatures to the indicated units.

a. 103 oC to K

b. 212 K to oC

c. -25.6 oC to K

d. 356 K to oC

3. The pressure on a 325 mL sample of oxygen gas was determined to be 0.768 atm. What will the volume of the sample be at 1220 torr?

4. An air sample of 210 mL was measured at 55 oC. At what temperature in oC will the volume be 73 mL?

5. A gas has a volume of 14.5 L at 22.9 oC and 3.4 atm. What will the new volume be at 44.5 oC and 778 torr?

6. The pressure of a 350 mL gas sample is doubled. What is the new volume?

7. The pressure on a gas at -25 oC (while the volume is held constant) is doubled. What is the new temperature?

8. A sample of oxygen gas at 28 oC occupies 780 mL. A later sample of the same gas is measured at 55.6 oC and 1.39 atm is found to occupy 1275 mL. What was the original pressure?

9. What volume will 3.85 grams of oxygen gas have at 11.8 oC and 808 torr?

10. At what temperature will 2.30 L of helium gas weighing 0.568 g exist at 132 kPa?

11. At what pressure will 14.8 L of carbon dioxide weighing 15.9 g exist at 33 oC?

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