bellamruff
bellamruff bellamruff
  • 10-03-2021
  • Chemistry
contestada

Why does air with higher amounts of water vapor have a lighter density?

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khushi2204
khushi2204 khushi2204
  • 10-03-2021

Answer:

moist air is less dense than dry air because water has a lower molecular weight than nitrogen and oxygen

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sb6339996
sb6339996 sb6339996
  • 10-03-2021

Answer:

Water vapor is a relatively light gas when compared to diatomic Oxygen and diatomic Nitrogen. Thus, when water vapor increases, the amount of Oxygen and Nitrogen decrease per unit volume and thus density decreases because mass is decreasing.

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