Consider Two Flasks at 25 ^$\omicron$ C, One Contains an Ideal Gas and the Other Contains

question 20

Multiple Choice

Consider two flasks at 25 ^$\omicron$ C, one contains an ideal gas and the other contains the real gas SO₃. Which statement regarding these gases is true?

• A) After the temperature is increased about 100 K, the pressure of the ideal gas will be smaller than the pressure of SO₃ because the van der Waals coefficient a for SO₃ is large.
• B) As the temperature is decreased, the ideal gas will liquefy first because ideal gases have larger values of the van der Waals coefficient b.
• C) After the temperature has been lowered about 100 K, the pressure of the ideal gas will be smaller than the pressure of SO₃ because the van der Waals coefficient a for SO₃ is large.
• D) As the temperature approaches 0 K, the volume of the ideal gas will be larger than the volume of SO₃ because ideal gases lack intermolecular forces.
• E) As the temperature approaches 0 K, the volume of the ideal gas will be smaller than the volume of SO₃ because ideal gases have larger values of the van der Waals coefficient a.

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