Suppose you had a giant cube, 100 feet on each side. Suppose that cube was fille
ID: 121629 • Letter: S
Question
Suppose you had a giant cube, 100 feet on each side. Suppose that cube was filled with moist air from the tropical atmosphere, but that the constituents were segregated in the vertical, with all the nitrogen on the bottom, water vapor on top of the nitrogen, oxygen on top of the water vapor, and carbon dioxide on the very top. How high up from the bottom would the water vapor layer begin?
About 10 feet.
About 40 feet.
About 75 feet.
About 95 feet.
About 10 feet.
About 40 feet.
About 75 feet.
About 95 feet.
Explanation / Answer
The consituents of the tropical atmosphere are Nitrogen, Water vapour, oxygen , carbon di oxide,
the point to note is that nitrogen constitutes 3/4th of the air, i.e. 75 %
so 75% of 100 feet is 75 feet,
so nitrogen would be there till 75 feet and after that we would find water vapour in the cube.
so correct option is option C - About 75 feet.
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