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Example: A 40 kg steel casting ( Cp = 0.5 kJ/kg.K) at a temperature of 450°C is quenched in 150 kg of oil (Cp 2.5kJ/kg.K) at 25°C. if there are no heat losses, what is the change in entropy of the (a) casting (b) oil (c) both considered together?

Example: A 40 kg steel casting ( Cp = 0.5 kJ/kg.K) at a temperature of 450°C is quenched in 150 kg of oil (Cp 2.5kJ/kg.K) at 25°C. if there are no heat losses, what is the change in entropy of the (a) casting (b) oil (c) both considered together?

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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Example: A 40 kg steel casting ( Cp = 0.5 kJ/kg.K) at a temperature of 450°C is quenched in 150 kg of oil (Cp 2.5kJ/kg.K) at 25°C. if there are no heat losses, what is the change in entropy of the (a) casting (b) oil (c) both considered together? 40 수 4 98 fo 104 * ho DII DAI O B
Transcribed Image Text:Example: A 40 kg steel casting ( Cp = 0.5 kJ/kg.K) at a temperature of 450°C is quenched in 150 kg of oil (Cp 2.5kJ/kg.K) at 25°C. if there are no heat losses, what is the change in entropy of the (a) casting (b) oil (c) both considered together? 40 수 4 98 fo 104 * ho DII DAI O B
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