Concept explainers
Section (a)
The escape speed form the Earth is 1.12 × 104 m/s, so that a gas molecule traveling away from Earth near the outer boundary of the Earth’s atmosphere would, at this speed, be able to escape from the Earth’s gravitational field and be lost to the atmosphere. At what temperature is the rms speed of (a) oxygen molecules, and (b) heliumn atmos equal to 1.12 × 104 m/s (c) Can you expain why our atmosphere contains oxygen but not helium?
The escape speed form the Earth is 1.12 × 104 m/s, so that a gas molecule traveling away from Earth near the outer boundary of the Earth’s atmosphere would, at this speed, be able to escape from the Earth’s gravitational field and be lost to the atmosphere. At what temperature is the rms speed of heliumn atmos equal to 1.12 × 104 m/s
The escape speed form the Earth is 1.12 × 104 m/s, so that a gas molecule traveling away from Earth near the outer boundary of the Earth’s atmosphere would, at this speed, be able to escape from the Earth’s gravitational field and be lost to the atmosphere. Can you expain why our atmosphere contains oxygen but not helium?
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