13
QuizMultiple Choice

The Ideal Gas Law — Unit test

Question 13 • LA-Chemistry A

Which statement describes a limitation of the kinetic-molecular theory for a gas?

Answer
A
The theory assumes that particles do not experience intermolecular forces.
B
The theory states that pressure is inversely proportional to volume.
C
The theory assumes that particles are in random and continuous motion.
D
The theory states that pressure increases with temperature.

Explanation

The kinetic-molecular theory models gas particles as having negligible intermolecular forces, which is a simplification. Real gas particles can attract or repel one another, especially at high pressures or low temperatures, so this assumption limits how accurately the theory describes real gases. Random, continuous motion is a central part of the theory, not a limitation.

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