Ideal Gas Law Review

What is the equation form of the ideal gas law?

• PVn = RT

• PR = nTV

• PV = nRT

• PT = nRV

What does the ideal gas law describe?

• The relationship between the pressure, molar mass, and molality of a gas

• The relationship between the temperature, volume, and kinetic energy of a gas

• The relationship between the temperature, pressure, and molar mass of a gas

• The relationship between the pressure, volume, temperature, and amount of a gas

What is the ideal gas law?

• A law describing the properties of a gas

• A law comparing reactivities of different gases

• A law predicting the freezing and boiling points of gases

• A law describing the behavior of condensed gases

Tags

NGSS.HS-PS1-5

What is R in the ideal gas law equation?

• The number of moles of the gas

• The ideal gas constant

• The kinetic energy of the gas

• The molar mass of the gas

Gas inside a balloon originally had a volume of 3.12 L. Ernesto decides to sit on the balloon and compresses it to a final volume of 0.12 L and a final pressure of 3.14 atm. What was the original pressure?

• 2.29 atm

• 0.12 atm

• 8.28 atm

A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure?

• 12.9 L

• 0.72 L

• 7.2 L

• 3.44 L

What is the value of R in the ideal gas law?

• –273 L·atm/mol·K

• 273 L·atm/mol·K

• 0.0821 L·atm/mol·K

• –0.0821 L·atm/mol·K

How many moles of air are there in a 3 L container at 1 atm pressure and 293 K? Use PV = nRT.

• 0.125 moles

• 8.02 moles

• 36.54 moles

• 0.042 moles

What is the volume of oxygen occupied by 2 moles at 1.3 atm pressure and 300 K? Use PV = nRT

• 49 L

• 38 L

• 64 L

• 32 L

What is the pressure of 4 moles of helium in a 50 L tank at 308 K? Use PV = nRT.

• 0.51 atm

• 0.13 atm

• 2.02 atm

• 24.64 atm