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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