Rankers Physics

Kinetic Theory of Gases: Practice Problem & Solution

According to kinetic theory of gases, at absolute zero of temperature: (1990)
Water freezes
Liquid helium freezes
Molecular motion stops
Liquid hydrogen freezes

Solution Explained:

To solve this problem, we apply the core principles of Kinetic Theory of Gases. Understanding the underlying formula is key to arriving at the correct answer below:

The kinetic energy of gas molecules is directly proportional to absolute temperature ($E = \frac{3}{2}kT$). At absolute zero ($T = 0\text{ K}$), the kinetic energy is zero, meaning molecular motion stops.

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