Fri February 08, 2013 By:

When you look directly up at the sky, you are actually looking through a very tall, transparent column of air that extends from the surface of the Earth thousands of kilometers into space. If the air in this column were liquefied, how tall would it be? The density of liquid air is 0.89 g/ml.

Expert Reply
Sat February 09, 2013
1 atm = 1033.228 g/cm2
 the coloum height = 1033.228 g/cm2 x (1 cm3 / 0.89 g/ml) = 1200 cm
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