7. Gases
Pressure Units
4:29 minutes
Problem 97
Textbook Question
Textbook QuestionTorricelli, who invented the barometer, used mercury in its construction because mercury has a very high density, which makes it possible to make a more compact barometer than one based on a less dense fluid. Calculate the density of mercury using the observation that the column of mercury is 760 mm high when the atmospheric pressure is 1.01 * 105 Pa. Assume the tube containing the mercury is a cylinder with a constant cross-sectional area.
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