Boyles

A sample of oxygen gas occupies a volume of 250.mL at 740. torr pressure. What volume will it occupy at 800. torr pressure?

• 266 ML

• 245 ML

• 231 ML

• 217 ML

A sample of carbon dioxide occupies a volume of 3.50 liters at 125 kPa pressure. What pressure would the gas exert if the volume was decreased to 2.00 liters?

• 219 KPa

• 222 KPa

• 567 KPa

• 654 KPa

A 2.0 liter container of nitrogen had a pressure of 3.2 atm. What volume would be necessary to decrease the pressure to 1.0 atm

• 7.2 L

• 5 L

• 6.4 L

• 6.9 L

A sample of oxygen gas in a closed system has a volume of 200 milliliters at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, the new volume of the gas will be -

• 400 milliliters.

• 300 milliliters.

• 100 milliliters.

• 200 milliliters.

Which of the following statements correctly defines Boyle’s Law?

• a. As the temperature increases, volume decreases at constant pressure.

• b. As the pressure increases, volume decrease at constant temperature.

• c. As the temperature increases, volume increases at constant pressure.

• d. As the pressure increases, volume increases at constant temperature.

What is the relationship between volume and pressure in Boyle's Law?

• a. Inversely proportional

• b. Directly proportional

• c. Both a and b

• None of the above

What do you expect to happen to the volume of a gas if its pressure is doubled and its temperature is reduced to half?

• its volume is increased

• its volume is doubled

• its volume remains unchanged

• its volume is decreased

Hanna can still pump air in the party balloon even though it is already inflated. What explains this phenomenon?

• balloon look better if its size is bigger

• balloons are made up of plastic

• the air inside the balloon is hot

• air molecules can be compressed

A sample of helium gas occupies a volume of 500 mL at 1 atm pressure. What volume will it occupy at 2 atm pressure?

• 250 mL

• 500 mL

• 1000 mL

• 750 mL

A gas occupies a volume of 2.5 liters at a pressure of 100 kPa. If the volume is increased to 5.0 liters, what will be the new pressure?

• 50 kPa

• 200 kPa

• 100 kPa

• 25 kPa