If an Average Hydrogen Atom in Earth's Atmosphere Has a Velocity

question 40

Multiple Choice

If an average hydrogen atom in Earth's atmosphere has a velocity of 2.5 km/s, what would be the average velocity of an oxygen molecule in the Earth's atmosphere? Note that the atomic mass of an oxygen atom is 16 times that of a hydrogen atom.

• A) 0.16 km/s
• B) 2.5 km/s
• C) 0.62 km/s
• D) 0.44 km/s
• E) 0.25 km/s

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