Gas LAWS

A sample of hydrogen at 1.5 atm had its pressure decreased to 0.50 atm producing a new volume of 750 mL. What was its original volume?

• 245 ml

• 345 ml

• 123 ml

• 250.mL

A sample of hydrogen at 1.5 atm had its pressure decreased to 0.50 atm producing a new volume of 750 mL. What was its original volume?

• 245 ml

• 345 ml

• 123 ml

• 250.mL

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

1. 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

If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

• 6.3 ATM

• 2.4 ATM

• 1.8 ATM

• 8.6 ATM

A gas with a volume of 400 mL at 120 ^οC is heated until its volume is 700 mL.  What is the new temperature ( in degree Celsius) of the gas if the pressure is constant?

• 4 14.75 ^οC
• 687.75 ^οC
• 210 ^οC
• 68.57 ^οC

The volume of a gas at 25^ο C is 3.8 L.  What will be the volume of that gas at 57 ^ο C if the pressure is held constant?

• 8.66 L
• 4.21 L
• 6.34 L
• 3.46 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.

The volume of a sample of a gas at 273 ^oC is 200 liters. If the volume is decreased to 100 liters at constant pressure, what will be the new temperature of the gas?

• 0 K
• 546 K
• 273 K
• 100 K