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A rigid, well-insulated tank contains a two-phase mixture of ammonia with 0.0025 ft3 of saturated liquid and 1.5 ft³ of saturated vapor, initially at p1 = 50 lbf/in². A paddle wheel stirs the mixture until only saturated vapor at higher pressure, p2, remains in the tank. Kinetic and potential energy effects are negligible. Determine the pressure p2, in lb/in², and the amount of energy transfer by work, in Btu.

A rigid, well-insulated tank contains a two-phase mixture of ammonia with 0.0025 ft3 of saturated liquid and 1.5 ft³ of saturated vapor, initially at p1 = 50 lbf/in². A paddle wheel stirs the mixture until only saturated vapor at higher pressure, p2, remains in the tank. Kinetic and potential energy effects are negligible. Determine the pressure p2, in lb/in², and the amount of energy transfer by work, in Btu.

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
Problem 1.1P
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A rigid, well-insulated tank contains a two-phase mixture of ammonia with 0.0025 ft3 of saturated liquid and 1.5 ft3 of saturated vapor, initially at p1 = 50 lbf/in². A paddle wheel stirs the mixture until only saturated vapor at higher pressure, p2, remains in the tank. Kinetic and potential energy effects are negligible. Determine the pressure p2, in lbf/in², and the amount of energy transfer by work, in Btu.
Transcribed Image Text:A rigid, well-insulated tank contains a two-phase mixture of ammonia with 0.0025 ft3 of saturated liquid and 1.5 ft3 of saturated vapor, initially at p1 = 50 lbf/in². A paddle wheel stirs the mixture until only saturated vapor at higher pressure, p2, remains in the tank. Kinetic and potential energy effects are negligible. Determine the pressure p2, in lbf/in², and the amount of energy transfer by work, in Btu.
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