ICPI Gaseous state

A gas occupies 4.0 L at a pressure of 2.0 atm. If the volume is compressed to 2.0 L at constant temperature, what is the new pressure?

• A) 1.0 atm

• B) 2.0 atm

• C) 4.0 atm

• D) 8.0 atm

• A

• B

• C

• D

A gas at 760 mmHg occupies 5.0 L. What volume will it occupy if the pressure is increased to 1520 mmHg (temperature constant)?

• A) 2.5 L

• B) 5.0 L

• C) 7.5 L

• D) 10.0 L

• A

• B

• C

• D

A gas occupies 3.0 L at 300 K. If the temperature rises to 450 K at constant pressure, what is the new volume?

• A) 1.5 L

• B) 3.0 L

• C) 4.5 L

• D) 6.0 L

• A

• B

• C

• D

A balloon has a volume of 2.0 L at 25°C (298 K). If it is cooled to -50°C (223 K), what will be its new volume (pressure constant)?

• A) 1.0 L

• B) 1.5 L

• C) 2.0 L

• D) 2.5 L

• A

• B

• C

• D

If a gas is compressed at constant temperature (Boyle’s Law) and then heated at constant pressure (Charles’s Law), which of the following is true?

• A) Pressure decreases, volume increases

• B) Volume decreases, temperature increases

• C) Pressure increases, volume decreases

• D) Temperature increases, volume increases

• A

• B

• C

• D