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April 19, 2014

Homework Help: chemistry

Posted by Holly on Wednesday, November 2, 2011 at 4:33pm.

The greatest pressure of the following is that exerted by:
(a) a column of Hg 75.0 cm high (d=13.6 g/cm^3)
(b) 10.0 g H2 gas at STP
(c) a column of air 10 miles high; or
(d) a column of CCl4 60.0 cm high (d=1.59 g/cm^3)
The answer is b. I know that pressure=force/area and pressure can be atm or torr or bar. (c) is 1013 mb. Not sure the reasoning process here with the rest and how to compare with each other. thank you.

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