According to the kinetic theory, collisions between molecules in a gas _____. cause a loss of total kinetic energy never occur are perfectly elastic are inelastic

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05-02-2018
Physics

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According to the kinetic theory, collisions between molecules in a gas _____. cause a loss of total kinetic energy never occur are perfectly elastic are inelastic

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TheSandman1337 TheSandman1337 · Answer 1 · 2018-02-17T19:36:12+01:00

According to kinetic theory, the gas does not lose its energy; thus, since a gas' internal energy is the kinetic energy of its molecules, the first answer is wrong. It is posited that the distances between gas molecules are big, that this does not mean that collisions never happen. This would be a very bad assumption for a kinetic model of gases. If the collisions were inelastic, by definition the total kinetic energy would decrease. Hence the correct answer is that the collisions are elastic; no kinetic energy is lost in these.

AkshayG AkshayG · Answer 2 · 2019-12-20T12:13:51+01:00

According to the kinetic theory of gases, the collisions between the molecules of gas are perfectly elastic.

Further Explanation:

The kinetic theory of gases aims at describing the several properties and activities of the molecules of a gas which are based on the molecular weight of the gas molecules and their motion the gas.

According to the kinetic theory of gases, the molecules of gas are present all across the volume but larger portion of the volume occupied remains empty. All the molecules of the gases are in random motion and they always keep moving.

When the gas molecules collide with the walls of the container or with other molecules, there is no loss in the kinetic energy of the gas molecules. It means that all the collisions occurring inside the gas sample are perfectly elastic.

Therefore, the collisions between the gas molecules are perfectly elastic and do not cause any loss of kinetic energy.

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Answer Details:

Grade: Senior School

Chapter: Kinetic theory of gases

Subject: Physics

Keywords: Kinetic theory of gases, perfectly elastic collisions, molecules of a gas, loss of kinetic energy, volume occupied, collisions occurring, molecular weight.