The Root-Mean-Square Speed (Thermal Speed)of the Molecules of a Gas

question 52

Multiple Choice

The root-mean-square speed (thermal speed) of the molecules of a gas is 200 m/s at 23.0°C.At 227°C the root-mean-square speed (thermal speed) of the molecules will be closest to

• A) 160 m/s.
• B) 330 m/s.
• C) 260 m/s.
• D) 630 m/s.
• E) 2000 m/s.

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Definitions:

Indirect Pathway

A neural pathway in the brain that is involved in the regulation of movements, typically inhibiting or modulating motion.

Subthalamic Nucleus

A small, lens-shaped nucleus in the brain that is part of the basal ganglia system, involved in regulating movement and is associated with diseases such as Parkinson's.