Adapted by Nelson Nuñez-Rodriguez
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By David W. Ball
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1. State Gay-Lussac’s law. |
1. The pressure of a gas is proportional to its absolute temperature. |
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3. Use Gay-Lussac’s law to determine the final pressure of a gas whose initial pressure is 602 torr, initial temperature is 356 K, and final temperature is 277 K. Assume volume and amount are held constant. |
3. 468 torr |
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5. If 3.45 × 1022 atoms of Ar have a volume of 1.55 L at a certain temperature and pressure, what volume do 6.00 × 1023 atoms of Ar have at the same temperature and pressure? |
5. 27.0 L |
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7. Use Avogadro’s law to determine the final volume of a gas whose initial volume is 6.72 L, initial amount is 3.88 mol, and final amount is 6.10 mol. Assume pressure and temperature are held constant. |
7. 10.6 L |
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9. Use the combined gas law to complete this table. Assume that the amount remains constant in all cases.
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9.
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11. A gas starts at the conditions 78.9 mL, 3.008 atm, and 56°C. Its conditions change to 35.6 mL and 2.55 atm. What is its final temperature? |
11. 126 K, or −147°C |
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13. A gas starts with initial pressure of 7.11 atm, initial temperature of 66°C, and initial volume of 90.7 mL. If its conditions change to 33°C and 14.33 atm, what is its final volume? |
13. 40.6 mL |