A 5-in diameter pipe carrying 50 kg of pure methanol per minute was laid at the bottom of a river. Unknown to the owners of the plant, there is a crack in the pipe allowing entry of water from the river to the pipe at a rate of 4 kg per minu Assume no volume changes in mixing and water from the river is pure. The

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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A 5-in diameter pipe carrying 50 kg of pure methanol per minute was laid at the
bottom of a river. Unknown to the owners of the plant, there is a crack in the
pipe allowing entry of water from the river to the pipe at a rate of 4 kg per minute.
Assume no volume changes in mixing and water from the river is pure. The
properties are listedbelow:
Methanol
Property
Density (kg/m3)
Molar mass (g/mol)
Water
792
1000
16
18
a. Calculate the mole fraction and volume fraction ofmethanol in the outlet of
the pipe.
b. Calculate volumetric flow rate, flow velocity, andmass velocity in the outlet
of the pipe considering the leak.
Transcribed Image Text:A 5-in diameter pipe carrying 50 kg of pure methanol per minute was laid at the bottom of a river. Unknown to the owners of the plant, there is a crack in the pipe allowing entry of water from the river to the pipe at a rate of 4 kg per minute. Assume no volume changes in mixing and water from the river is pure. The properties are listedbelow: Methanol Property Density (kg/m3) Molar mass (g/mol) Water 792 1000 16 18 a. Calculate the mole fraction and volume fraction ofmethanol in the outlet of the pipe. b. Calculate volumetric flow rate, flow velocity, andmass velocity in the outlet of the pipe considering the leak.
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