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9.2 L

A gas occupies 2.2L at 425 kPa . Determine its volume at standard pressure. The temperature does not change. 9.2 L.

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9.2 L

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  1. A gas occupies 2.2L at 425 kPa. Determine its volume at standard pressure. The temperature does not change.

  2. 9.2 L

  3. At room temperature (21°C), the pressure of carbon dioxide in an unopened soda can is 207kPa. Find the pressure of the carbon dioxide in the soda can if left in the trunk of a car on a hot summer day (72°).

  4. 242 kPa

  5. A gas occupies 15.7L at 28°C and 658mmHg. At what temperature will it expand to 20.5L at a pressure of 595mmHg?

  6. 355K

  7. Find the volume occupied by 12.2g of argon gas at 23°C and 115kPa.

  8. 6.54L

  9. At what temperature will 5.0g of chlorine fill a 950mL flask at 125kPa?

  10. 202K

  11. What mass of hydrogen gas was collected in a eudiometer if the volume was 35.2mL, the temperature was 23°C and the pressure of the dry hydrogen was 94.2kPa?

  12. 0.00270g

  13. A student blows up a balloon to a volume of 23.1L at 21.4°C. He then places the balloon in an ice water bath, where the temperature is 2.5°C. Find the new volume of the balloon.

  14. 21.6L

  15. A gas occupies 14.5L at 28°C and 450mmHg. Determine its volume at STP.

  16. 7.8L

  17. A student collects hydrogen over water at 23°C. The pressure in the room is 99.2kPa. The water vapor pressure at 23°C is 2.8kPa. Find the pressure of the dry hydrogen gas.

  18. 96.4 kPa

  19. Which gas below would effuse at the fastest rate: • A. Hydrogen • B. Argon • C. Helium • D. Carbon monoxide

  20. A. hydrogen

  21. A sample of hydrogen and a sample of helium are both in 2.0L tanks at 24°C and 795mmHg. • Which tank has more molecules?

  22. They have the same number of molecules!

  23. A sample of hydrogen and a sample of helium are both in 2.0L tanks at 24°C and 795mmHg. • Which tank has is heavier?

  24. helium

  25. A sample of hydrogen and a sample of helium are both in 2.0L tanks at 24°C and 795mmHg. • Which gas has the higher average kinetic energy?

  26. They have the same average kinetic energy

  27. Find the density of nitrogen dioxide at STP.

  28. 2.05 g/L

  29. Find the density of nitrogen dioxide at 25°C and 96kPa.

  30. 1.8 g/L

  31. Find the molar mass of a gas if 12.2g of a gas occupies 2.44L at 94kPa and 24°C. The gas is a monoatomic element. Identify the gas.

  32. 131.3 g/mol Xe

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