Question

question 19 (5 points) which of the following is not an assumption under kmt?
a) gas particles have no attraction for one another.
b) during a collision, energy is lost by the gas particles and later is regained.
c) gases at the same temperature have the same average kinetic energy.
d) gas particles move in straight lines in all directions.
question 20 (5 points)

Explanation:

KMT (Kinetic Molecular Theory) assumptions: gas particles have no attraction (a is valid), collisions are elastic (no energy loss, so b is invalid), same temp means same avg KE (c is valid), particles move in straight lines (d is valid). So b is not an assumption.

Answer:

b) During a collision, energy is lost by the gas particles and later is regained.