1) The pressure of a sample of helium in a 1.0-L container is 0.857 atm. What is the new pressure it the sample is placed in a 0.5-L container? Assume the temperature is constant.

2)A sample of gas is held in a 10.0-L volume piston at 175 kPa. The temperature is kept constant while the volume is decreased until the pressure is 350 kPa. What is the new volume of the gas?

3)A 10.0-L vessel contains gas A at a pressure of 300.0 torr. A 3.00-L vessel contains gas B at a pressure of 400.0 torr. Gas A is forced into the second vessel. Calculate the resulting pressure in torr. Assume the temperature remains constant.

4)A gas occupies a volume of 1.0 L at 25°C. What volume will the gas occupy at 100°C?

5)A 0.5-L container of nitrogen gas at 18°C is heated under constant pressure to the boiling point of water. What is its new volume?

6)At constant volume, a container of gas at atmospheric pressure is heated from 27°C to 77°C. What is the final pressure?

7)A sample of gas starts at 1.00 atm, 0.00°C, and 30.0 mL. What is the volume if the temperature increases to 27.0°C and the pressure increases to 2.00 atm?

8)A 0.5-L container of nitrogen gas at 18 degrees Celsius is heated under constant pressure to the boiling point of water. What is its new volume?

(a) A piston at 4.6 atm contains a gas that occupies a volume of 3.5 L. What pressure would have to be placed on the piston to force the volume to adjust to 1.07 L? atm

(b) A piston at 82.0°C contains a gas that occupies a volume of 2.5 L. To what temperature would the gas have to be heated to increase the volume to 5.2 L at constant pressure? °C

(c) A piston at 6545 torr contains a gas that occupies a volume of 4.7 L. What pressure would have to be placed on the piston to force the volume to adjust to 1.59 L? atm

(a) A piston at 8.7 atm contains a gas that occupies a volume of 3.5 L. What pressure would have to be placed on the piston to force the volume to adjust to 0.42 L? atm (b) A piston at 31.0°C contains a gas that occupies a volume of 2.5 L. To what temperature would the gas have to be heated to increase the volume to 5.7 L at constant pressure? °C (c) A piston at 7245 torr contains a gas that occupies a volume of 4.7 L. What pressure would have to be placed on the piston to force the volume to adjust to 0.74 L? atm

1. A sample of gas in a balloon has an initial temperature of 8.0 ?C and a volume of 1.19×10³ L . If the temperature changes to 62 ?C , and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?

2. What Celsius temperature, T2, is required to change the volume of the gas sample in Part A (T1 = 8.0 ?C , V1= 1.19×10³ L ) to a volume of 2.38×10³ L ? Assume no change in pressure or the amount of gas in the balloon.

3. A sample of ideal gas is in a sealed container. The pressure of the gas is 525 torr , and the temperature is 45 ?C . If the temperature changes to 59 ?C with no change in volume or amount of gas, what is the new pressure, P2, of the gas inside the container?

4. Using the same sample of gas (P1 = 525 torr , T1 = 45 ?C ), we wish to change the pressure to 5250 torr with no accompanying change in volume or amount of gas. What temperature T2, in Celsius, is needed to reach this pressure?

5. A very flexible helium-filled balloon is released from the ground into the air at 20. ?C. The initial volume of the balloon is 5.00 L, and the pressure is 760. mmHg. The balloon ascends to an altitude of 20 km, where the pressure is 76.0 mmHg and the temperature is ?50. ?C. What is the new volume, V2, of the balloon in liters, assuming it doesn't break or leak?

6. Consider 4.60 L of a gas at 365 mmHg and 20. ?C . If the container is compressed to 2.60 L and the temperature is increased to 32 ?C , what is the new pressure, P2, inside the container? Assume no change in the amount of gas inside the cylinder.