According to the kinetic theory of gases, in a collision between two molecules the kinetic energy of one molecule will decrease by the same amount that the kinetic energy of the other one increases.

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Quizplus · Accepted Answer

According to the law of conservation of energy, energy cannot be created or destroyed, only transferred from one form to another. Therefore, in a collision between two molecules, the total kinetic energy remains constant. The energy transfer between the two molecules will result in one molecule losing kinetic energy and the other molecule gaining an equal amount of kinetic energy, as stated in the kinetic theory of gases.

According to the Kinetic Theory of Gases, in a Collision