Ideal Gas Law Applications Quiz

What is the ideal gas law equation?

• PV = nR/T

• P = V/nRT

• PV = nRT

• P = VnRT

What does STP stand for in the context of gas laws?

• Standard Time and Proportion

• Standard Temperature and Proportion

• Standard Time and Pressure

• Standard Temperature and Pressure

What is the molar volume of a gas at STP?

• 18.0 L

• 22.4 L

• 20.0 L

• 24.0 L

How is the density of a gas at STP calculated?

• Pressure divided by temperature

• Molar volume divided by molar mass

• Temperature divided by pressure

• Molar mass divided by molar volume

What is the density of helium gas at STP?

• 0.179 g/L

• 1.43 g/L

• 0.5 g/L

• 2.0 g/L

Which gas is denser at STP, helium or oxygen?

• It depends on the temperature

• Oxygen

• Helium

• Both have the same density

How can the density of a gas be calculated at non-STP conditions?

• Using the formula D = PRT/M

• Using the formula D = M/PRT

• Using the formula D = RT/PM

• Using the formula D = PM/RT

What is the molar mass of sulfur hexafluoride (SF6)?

• 32.06 g/mol

• 64.06 g/mol

• 146.06 g/mol

• 100.06 g/mol

What is the first step in determining the molar mass of a gas using the ideal gas law?

• Calculate the density of the gas

• Identify the gas using a periodic table

• Determine the molar volume of the gas

• Measure the mass, volume, temperature, and pressure of the gas

What is the molar mass of a gas if its mass is 5.60 g and it occupies 2.0 L at 3.00 atm and 100°C?

• 32.0 g/mol

• 18.0 g/mol

• 28.6 g/mol

• 22.4 g/mol