Posted by leo on Saturday, October 20, 2007 at 9:33pm.
A closed container is filled with oxygen. The pressure in the container is 435kPa . What is the pressure in millimeters of mercury?
(i know that 1atm=760mm Hg=101,325 Pa)
How do I use this to solve for the question? so: 435kPa*101,325=44,076,375Pa, & O2 = 32g/mol & you must have to use 760mmHg in there somehow, but then what.
The text really doesn't discuss this much, it only shows one sample prob which only gives a psi to convert to mmHg.
& how do you solve for pressure (in atmospheres) when given a msmt in "___cm's" in a manometer & given the atmospheric pressure in __atm?

Chemistry  Count Iblis, Saturday, October 20, 2007 at 9:47pm
You can use the equation:
760mm Hg=101,325 Pa
You simply write it as:
Pa = 760mm Hg/(101,325)
You then substitute this in the expression for pressure in the container:
435kPa = 435k*760mm Hg/(101,325) =
435*1000*760mm Hg/101,325 = 3362.8mm Hg
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