Which of the following is included as a postulate in the kinetic molecular theory of an ideal gas?
A)Collisions between molecules are all elastic.
B)All molecules move randomly in zigzag directions.
C)The distance between gas molecules is small compared with the size of the molecule.
D)All the molecules have the same velocity.
E)In an average collision between molecules,both molecules have the same kinetic energy.

Question

Quizplus · Accepted Answer

The postulate that collisions between molecules are all elastic is included in the kinetic molecular theory of an ideal gas. This means that when gas molecules collide, no energy is lost, and the total kinetic energy of the system is conserved.

Which of the Following Is Included as a Postulate in the Kinetic