If 2 tons of frozen guava juice (-20 0C) will be thawed by heating it to boiling point and evaporating 700 kg of water from the juice. Determine the heat needed to thaw the guava juice if the process is carried out at atmospheric pressure. It is assumed that the freezing and boiling points of guava juice are 0 0C and 100 0C. specific heat of frozen guavajuice is 2.50 kJ/kg0C, specific heat of liquid tomato juice = 4.98 kJ/kg0C, latent heat for melting (∆Hfus) = 333.2 kJ/kg and latent heat for evaporation (∆Hvap) = 2257 kJ/kg.
If 2 tons of frozen guava juice (-20 0C) will be thawed by heating it to boiling point and evaporating 700 kg of water from the juice. Determine the heat needed to thaw the guava juice if the process is carried out at atmospheric pressure. It is assumed that the freezing and boiling points of guava juice are 0 0C and 100 0C. specific heat of frozen guavajuice is 2.50 kJ/kg0C, specific heat of liquid tomato juice = 4.98 kJ/kg0C, latent heat for melting (∆Hfus) = 333.2 kJ/kg and latent heat for evaporation (∆Hvap) = 2257 kJ/kg.
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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If 2 tons of frozen guava juice (-20 0C) will be thawed by heating it to boiling point and evaporating 700 kg of water from the juice. Determine the heat needed to thaw the guava juice if the process is carried out at atmospheric pressure.
It is assumed that the freezing and boiling points of guava juice are 0 0C and 100 0C. specific heat of frozen guavajuice is 2.50 kJ/kg0C, specific heat of liquid tomato juice = 4.98 kJ/kg0C, latent heat for melting (∆Hfus) = 333.2 kJ/kg and latent heat for evaporation (∆Hvap) = 2257 kJ/kg.
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