Calculate the pressure using density , Mechanical Engineering

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An open test tube at 293 K is filled at the bottom with 24.2 cm of Hg, and 11.2 cm of water is placed above the Hg. Calculate the pressure at the bottom of the test tube if the atmospheric pressure is 756 mmHg. Use a density of 13.55 g/cm3 for mercury and 0.998 g/cm³ for water.

Give the answer in terms of (a) dyne/cm₂, (b) psia, and (c) kPa.

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