Which of the following statements is true? a. The distances between ideal gas mo

Question

Which of the following statements is true?

a. The distances between ideal gas molecules are usually about the same as the diameter of the molecules

b. In an ideal gas, the volume of the molecules is typically as low as 10% of the total container volume.

c. The actual volume of ideal gas molecules is negligible compared to the space the gas occupies

d. Given that there is no chemical reaction between two gases, the ability to mix the gases in a rigid container of fixed volume depends on the external atmospheric pressure.

Explanation / Answer

The answer is C, The actual volume of ideal gas molecules is negligible compared to the space the gas occupies.

This is one of the basic tenets of kinetic molecular theory that is applicable to ideal gases. The assumption is based on the fact that the average distances between molecules are are much greater than the sizes of the molecules themselves.

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