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Which of the following statement is NOT a correct assumption of the classical model of an ideal gas?The collisions between molecules are inelastic.The only appreciable forces on the molecules are those that occur during collisions.The molecules are in random motionThe volume of the molecules is negligible compared with the volume occupied by the gas.The molecules obey Newton's laws of motion.

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Which of the following statement is NOT a correct assumption of the classical model of an ideal gas?The collisions between molecules are inelastic.The only appreciable forces on the molecules are those that occur during collisions.The molecules are in random motionThe volume of the molecules is negligible compared with the volume occupied by the gas.The molecules obey Newton's laws of motion.

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Solution

The statement that is NOT a correct assumption of the classical model of an ideal gas is: "The collisions between molecules are inelastic."

In the classical model of an ideal gas, it is assumed that the collisions between molecules are perfectly elastic. This means that the total kinetic energy of the system is conserved before and after the collision. An inelastic collision, on the other hand, would imply that some kinetic energy is lost during the collision, which contradicts the assumptions of the classical model.

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