3.4 Ideal Gas Law

A 2 L container will hold about 4 g of which of the following gases at 0°C and 1 atm?

• SO₂

• CO₂

• N₂

• NH₃

Questions refer to three gases in identical rigid containers under the conditions given in the table. The density of the gas, in g/L, is

• greatest in container A

• greatest in container B

• greatest in container C

When a sample of oxygen gas in a closed con­tainer of constant volume is heated until its abso­lute tem­pera­ture is doubled, which of the follow­ing is also dou­bled?

• The density of the gas

• The pressure of the gas

• The average velocity of the gas molecules

Tags

NGSS.HS-PS3-2

When 4.0 L of He(g), 6.0 L of N2(g), and 10. L of Ar(g), all at 0°C and 1.0 atm, are pumped into an evacuated 8.0 L rigid container, the final pressure in the container at 0°C is

• 0.5 atm

• 1.0 atm

• 2.5 atm

Four different gases at 273 K. The samples are in four identical rigid containers numbered 1 through 4. On the basis of the data provided above, the gas in container 3 could be

• CH₄

• O₂

• Ar

The following questions refer to the 1 L flasks. Which flask contains the sample with the greatest density?

• A

• B

• C

• D

The following questions refer to the 1 L flasks shown below.

Which flask contains the smallest number of moles of gas?

• A

• B

• C

• D

A gas mixture at 0°C and 1.0atm contains 0.010mol of H₂ , 0.015mol of O₂ , and 0.025mol of N₂. Assuming ideal behavior, what is the partial pressure of hydrogen gas (H₂) in the mixture?

• About 0.010atm, because there is 0.010mol of H₂ in the sample.

• About 0.050atm, because there is 0.050mol of gases at 0°C and 1.0atm

  .

• About 0.20atm, because H₂ comprises 20% of the total number of moles of gas.

The pressure, in atm, exerted by 1.85 mol of an ideal gas placed in a 3.00 L container at 35.0°C is given by which of the following expressions?

• A

• B

• C

• D

A sealed vessel contains 0.200 mol of oxygen gas, 0.100 mol of nitrogen gas, and 0.200 mol of argon gas. The total pressure of the gas mixture is 5.00 atm. The partial pressure of the argon is

• 0.200 atm

• 0.500 atm

• 2.00 atm

• 1.00 atm