In a mixture of gases, each gas contributes to the total pressure. The individual contribution of each gas is known as the _________________.

• partial volume

• partial pressure

• molar mass

• mole ratio

What units will be found in the variables of a Dalton's law problem?

• kilopascals (kPa)

• liters (L)

• Kelvins (K)

• moles (mol)

Dalton's law equation is used to find what?

• the density of a pure gas

• the total pressure of a pure gas

• the total pressure of a gas mixture

• the volume of a gas mixture

A tank of gas contains 50 kPa of helium, 50 kPa of argon, and 100 kPa of neon. What is the total pressure of the gas mixture?

• 100 kPa

• 50 kPa

• 200 L

• 200 kPa

In dry air, what is P_N ?

• 79.11 kPa

• 78.08 %

• 101.32 kPa

• 100.00 %

What variables must be kept constant in Dalton's law?

• the number of moles

• liters and volume

• temperature and volume

• temperature only

Dalton's Law states...

• that at a constant temperature the volume of a confined ideal gas varies inversely with its pressure.

• that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases

• how gases tend to expand when heated

• that the density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas.

Dalton's law of...

• Partial Pressure

• Thermodynamics

• Ideal Gas

• Physics

A mixture of hydrogen, nitrogen, and water vapor has a total pressure of 864 mmHg. The partial pressure of hydrogen is 220 mmHg and that of nitrogen is 410 mmHg. What is the partial pressure of water vapor?

• 234 mmHg

• 1.37 mmHg

• 2.64 mmHg

• 1, 494 mmHg

Which equation represents Dalton's Law?

• e=mc2

• PV=nRT

• P1/T1=P2/T2

• Ptotal=P1, P2, P3...