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The pressure gage of a vacuum oven reads 28.2" Hg vacuum. If the barometric pressure is 751 mm Hg, what is the absolute pressure in kPa? In psi (Jb/in2)? In psf (Ib/ft2)?

The pressure gage of a vacuum oven reads 28.2" Hg vacuum. If the barometric pressure is 751 mm Hg, what is the absolute pressure in kPa? In psi (Jb/in2)? In psf (Ib/ft2)?

Introduction to Chemical Engineering Thermodynamics
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
Section: Chapter Questions
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The pressure gage of a vacuum oven reads 28.2" Hg vacuum. If the barometric pressure is 751 mm Hg, what is the absolute pressure in kPa? In psi (Ib/in?)? In psf (Ib/ft?)? Express the following absolute pressures in terms of vacuum and gage pressures if the barometric pressure is 753 mm Hg. a) 65 ft of water b) 3.07x10° Pa c) 1,500 cm of carbon tetrachloride d) 7 cm of air, p= 1.2928 g/L . What is the equivalent of 7 cm of mercury (sp.gr. = 13.6) in meters of air (density = 1.29 g/L)? %3!
Transcribed Image Text:The pressure gage of a vacuum oven reads 28.2" Hg vacuum. If the barometric pressure is 751 mm Hg, what is the absolute pressure in kPa? In psi (Ib/in?)? In psf (Ib/ft?)? Express the following absolute pressures in terms of vacuum and gage pressures if the barometric pressure is 753 mm Hg. a) 65 ft of water b) 3.07x10° Pa c) 1,500 cm of carbon tetrachloride d) 7 cm of air, p= 1.2928 g/L . What is the equivalent of 7 cm of mercury (sp.gr. = 13.6) in meters of air (density = 1.29 g/L)? %3!
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