What pressure (atm) is exerted by a column of ethanol 86.0 cm high. The density of ethanol is 0.789 g/cm3 and 9.8 m/s2 as your gravitational constant.

Answer 1

pressure = density*acceleration gravity*height.
0.789g/cc x 86 cm x 980 cm/s^2 =?? Pa. Divide by 1000 to convert to kPa and divide by 101.325 to convert to atm.
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http://hyperphysics.phy-astr.gsu.edu/hbase/pflu.html#fpc