An open end mercury manometer is to be used to measure the pressure in the apparatus containing a vapor that reacts with mercury. A 10 cm layer of silicon oil with sg of 0.92 is placed on top of the mercury in the arm attached to the apparatus. Atmospheric pressure is 765 mm hg. If the level of mercury in the open end is 365 mm below the memory level in the other arm. What is the pressure mm hg in the apparatus?

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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An open end mercury manometer is to be used to measure the pressure in the apparatus containing a vapor that reacts with mercury. A 10 cm layer of silicon oil with sg of 0.92 is placed on top of the mercury in the arm attached to the apparatus. Atmospheric pressure is 765 mm hg. If the level of mercury in the open end is 365 mm below the memory level in the other arm. What is the pressure mm hg in the apparatus? 

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