A Gas Vessel Is Attached to an Open-End Manometer Filled

question 112

Multiple Choice

A gas vessel is attached to an open-end manometer filled with a nonvolatile liquid of density 0.993 g/mL as shown below. The difference in heights of the liquid in the two sides of the manometer is 32.3 mm when the atmospheric pressure is 765 mm Hg. Given that the density of mercury is 13.6 g/mL, the pressure of the enclosed gas is ________ atm.

• A)1.05
• B)1.01
• C)0.976
• D)0.993
• E)1.08

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