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Which is an example of the kinetic-molecular theory not holding true for a gas?
The average kinetic energy of particles depends only on the temperature.
The particles in a gas travel in straight lines in a continuous, random motion.
The attraction between particles causes a gas to condense at low temperatures.
The particles in a gas make up a small portion of the total volume of the gas.

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Answered by GPT-5 mini AI
"The attraction between particles causes a gas to condense at low temperatures."

Reason: Kinetic-molecular theory (ideal gas model) assumes negligible intermolecular forces. If attractions are significant (causing condensation), the KMT assumptions fail and the gas shows nonideal behavior.