Would Water Molecules in Venus's Atmosphere, Whose Temperature Is 740

question 61

Multiple Choice

Would water molecules in Venus's atmosphere, whose temperature is 740 K, eventually escape into outer space? Note that a water molecule has a mass that is 18 times that of a hydrogen atom.The escape velocity of Venus is 10 km/s.For comparison, a hydrogen atom has an average velocity of 2.5 km/s at a temperature of 300 K.

• A) No, the average velocity of water molecules is 0.9 km/s.
• B) Yes, the average velocity of water molecules is 0.9 km/s.
• C) Yes, the average velocity of water molecules is 2.1 km/s.
• D) No, the average velocity of water molecules is 2.1 km/s.
• E) Yes, the average velocity of water molecules is 19 km/s.

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