Answer to Question #224586 in General Chemistry for FENN

Question #224586

1.3 An open-end mercury manometer was connected to a flask containing a gas at unknown pressure. The mercury in the arm open to the atmospheric pressure was 76mm lower than the mercury in the arm connected to the flask. The atmospheric pressure 749 torr. What was the Pressure of the gas in the flask in Pascal


1
Expert's answer
2021-08-11T05:21:48-0400

height of mercury column = h = 76mm

Atmospheric pressure = 749torr

density of mercury = 14 g/c.c

P= 76 × 749 × 14 = 796936



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