Which of the following does not follow the kinetic molecular theory?
a. gas molecules possess mass but have negligible volume.
b. gas molecules attract each other during collision, which affects the overall energy.
c. the average kinetic energy of gas molecules is unaffected by the mass of the molecules.
d. the average kinetic energy of gas molecules increases with increasing thermal energy (higher temperature).

Gas molecules attract each other during collision, which affects the overall energy.

Explanation:

According to kinetic molecular theory:

A. Gas molecules possess mass but have negligible volume.: the volume of gas molecules is considered to be negligible as compared to the vessel of the container. So the given statement is true.

B. Gas molecules attract each other during collision, which affects the overall energy: The given statement is false. The collisions between gas molecules were considered to be perfectly elastic.

C. The average kinetic energy of gas molecules is unaffected by the mass of the molecules: True. The average kinetic energy depends upon the temperature.

D. The average kinetic energy of gas molecules increases with increasing thermal energy (higher temperature): True, it is directly proportional to the temperature.

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