Dalton's Law of Partial Pressures Quiz

What does Dalton's Law of Partial Pressures state about the total pressure in a container?

• It is equal to the pressure of the gas with the highest volume.

• It is the sum of the pressures of all individual gases in the container.

• It is the average pressure of all gases in the container.

• It is the pressure of the gas with the highest temperature.

Which formula is used to calculate the pressure exerted by an individual gas in a container?

• Avogadro's Law

• Boyle's Law

• Charles's Law

• Ideal Gas Law

In the Ideal Gas Law, what does the 'R' represent?

• The volume of the gas

• The universal gas constant

• The temperature of the gas

• The number of moles of the gas

In the first example problem, what is the total pressure inside the steel vessel?

• 3.763 atmospheres

• 4.763 atmospheres

• 1.763 atmospheres

• 2.763 atmospheres

How many moles of hydrogen gas are present in the first example problem?

• 4.2 moles

• 2 moles

• 3 moles

• 5 moles

In the second example, what is the first step to calculate the total pressure?

• Add all pressures directly

• Convert all pressures to the same unit

• Multiply all pressures together

• Subtract the smallest pressure from the largest

What is the total pressure in the second example problem after converting all units to atmospheres?

• 7.836 atmospheres

• 6.836 atmospheres

• 5.836 atmospheres

• 4.836 atmospheres

Which gas in the second example problem is exerting pressure in psi?

• Nitrogen

• Helium

• Hydrogen

• Oxygen

What is the correct conversion factor from psi to atmospheres used in the second example?

• 1 psi = 0.092 atm

• 1 psi = 0.068 atm

• 1 psi = 0.082 atm

• 1 psi = 0.102 atm

What is the key takeaway from Dalton's Law of Partial Pressures?

• The total pressure is equal to the sum of the individual gas pressures.

• The total pressure is determined by the gas with the highest pressure.

• The total pressure is the average of the individual gas pressures.

• The total pressure is always less than the sum of individual pressures.