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At a pressure of 907 mbar , what would the height of the mercury in the...

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Chemistry

At a pressure of 907 mbar , what would the height of the mercuryin the column of a mercury barometer?

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A closed container is filled with oxygen. The pressure in thecontainer is 205 kPa . What is the pressure in millimeters ofmercury?

Answer & Explanation Solved by verified expert
4.1 Ratings (838 Votes)

(1) At a pressure of 907 mbar , what would the height of the mercury in the column of a mercury barometer?

We know that 1 bar = 750 mm Hg

                  1 mbar = 10-3 bar = 10-3 x750 mm Hg

907 mbar = 907 x750x10-3 mm Hg

              = 680.25 mm Hg

Therefore the height of the mercury in the column of a mercury barometer is 680.25 mm Hg

(2) We know that 760.0 mm Hg = 101.3 kPa

                      ----> 1 kPa = (760.0 / 101.3) mm Hg

                                               = 7.50 mm Hg

205 kPa = 205 x 7.50 mm Hg

             = 1538.0 mm Hg
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