The Rms Speed of Oxygen Molecules Is 460 M/s at 0^oC

question 140

Multiple Choice

The rms speed of oxygen molecules is 460 m/s at 0^oC. The molecular weight of oxygen is 8 times the molecular weight of helium. The rms speed of helium at 40^oC is approximately

• A) 3.68 km/s.
• B) 1.84 km/s.
• C) 1.40 km/s.
• D) 880 m/s.
• E) 440 m/s.

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