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A 50-kg copper block initially at 80°C is dropped into an insulated tank that contains 0.120 m3 of water at 25°C. Determine the final equilibrium temperature and the total entropy change for this process. Properties: Take the density and specific heat of water as p=997 kg/m3 and cp=4.18kJ/kgK, respectively, and the specific heat of copper as cp=0.386kJ/kgK (values at room temperature).

A 50-kg copper block initially at 80°C is dropped into an insulated tank that contains 0.120 m3 of water at 25°C. Determine the final equilibrium temperature and the total entropy change for this process. Properties: Take the density and specific heat of water as p=997 kg/m3 and cp=4.18kJ/kgK, respectively, and the specific heat of copper as cp=0.386kJ/kgK (values at room temperature).

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Insulated water tank Water (0.12m³) COPPER A 50-kg copper block initially at 80°C is dropped into an insulated tank that contains 0.120 m3 of water at 25°C. Determine the final equilibrium temperature and the total entropy change for this process. Properties: Take the density and specific heat of water as p=997 kg/m3 and cp=4.18kJ/kgK, respectively, and the specific heat of copper as cp=0.386kJ/kgK (values at room temperature). O A)0.204 kJ/K B) 0.035 kJ/kg.K C) -0.06 kJ/K D)-0.035 kJ/kg.K E) 0.027 kJ/kg.K
Transcribed Image Text:Insulated water tank Water (0.12m³) COPPER A 50-kg copper block initially at 80°C is dropped into an insulated tank that contains 0.120 m3 of water at 25°C. Determine the final equilibrium temperature and the total entropy change for this process. Properties: Take the density and specific heat of water as p=997 kg/m3 and cp=4.18kJ/kgK, respectively, and the specific heat of copper as cp=0.386kJ/kgK (values at room temperature). O A)0.204 kJ/K B) 0.035 kJ/kg.K C) -0.06 kJ/K D)-0.035 kJ/kg.K E) 0.027 kJ/kg.K
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