Calculate the Root-Mean-Square Velocity for the O₂ Molecules in a Sample

question 49

Multiple Choice

Calculate the root-mean-square velocity for the O₂ molecules in a sample of O₂ gas at 24.9°C.(R = 8.3145 J/K.mol)

• A) 15.24 m/s
• B) 139.3 m/s
• C) 278.2 m/s
• D) 481.9 m/s
• E) 9.177 \(\times\) 10²⁶ m/s

---

Definitions:

Groundwater Flow

The movement of water through the Earth's subsurface, typically through porous soil and rock layers.

Pore Spaces

The voids or gaps between soil or rock particles, which can contain water or air.

Water Pressure

The force exerted by water on any surface it is in contact with, significant in various geological and biological processes.

Dewatered Area

describes a region from which water has been removed, typically for construction or drainage purposes.