Ideal Gas Law Review

What is absolute zero?

• The freezing point of pure water at sea level

• The temperature referenced at 0 on the Celsius scale

• The temperature at the coldest point of outer space

• The temperature at which molecules stop moving

What temperature scale has zero as its lowest temperature?

• The Kelvin scale

• The Fahrenheit scale

• The Celsius scale

• The average atomic mass scale

What temperature is absolute zero?

• 0°C

• 0 K

• 0°F

• 0 molecules

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

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

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

What is the ideal gas constant?

• It is a specific constant for a particular gas.

• It is a constant that depends on the conditions.

• It is a constant that applies only at STP.

• It is a universal constant used for all gases.

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