1. A sample of carbon dioxide gas at 287 K and 0.350 atm occupies a volume of 2.

Question

1. A sample of carbon dioxide gas at 287 K and 0.350 atm occupies a volume of 2.45 L. If the gas is compressed into a smaller volume, while at the same time it is cooled to a lower temperature, the final gas pressure

A. could be higher or lower than 0.350 atm depending on the final volume and temperature.

B. will be higher than 0.350 atm.

C. will be lower than 0.350 atm.

2. A sample of neon gas at 298 K and 2.45 atm occupies a volume of 1.66 L. If the gas is allowed to expand to a larger volume , while at the same time it is heatedto a higher temperature, the final gas pressure

A. could be higher or lower than 2.45 atm depending on the final volume and temperature.

B. will be lower than 2.45 atm.

C. will be higher than 2.45 atm.

3.A sample of argon gas at 305 K and 0.895 atm occupies a volume of 4.04 L. If the pressure of the gas is decreased, while at the same time it is cooled to alower temperature, the final gas volume

A. could be larger or smaller than 4.04 L depending on the final pressure and temperature.

B. will be larger than 4.04 L.

C. will be smaller than 4.04 L.

Explanation / Answer

1. A. could be higher or lower than 0.350 atm depending on the final volume and temperature.

2. A. could be higher or lower than 2.45 atm depending on the final volume and temperature.

3. C. will be smaller than 4.04 L.

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