A rigid tank is divided into two rooms, both containing water, separated by a membrane. Room A contains water at 200 kPa, with a total volume of 1m3, while room B is at 0.5 MPa, 400°C. The membrane now ruptures and heat transfer takes place so that the water comes to a uniform state at 100°C. Find the heat transfer during the process if rooms A and B initially contain 2 and 3.5kg of water respectively. a. 7420 kJ heat gained b. 117 kJ heat los c. 7420 kJ heat loss d. 117 kJ heat gained
A rigid tank is divided into two rooms, both containing water, separated by a membrane. Room A contains water at 200 kPa, with a total volume of 1m3, while room B is at 0.5 MPa, 400°C. The membrane now ruptures and heat transfer takes place so that the water comes to a uniform state at 100°C. Find the heat transfer during the process if rooms A and B initially contain 2 and 3.5kg of water respectively. a. 7420 kJ heat gained b. 117 kJ heat los c. 7420 kJ heat loss d. 117 kJ heat gained
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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Question
A rigid tank is divided into two rooms, both containing water, separated by a membrane. Room A contains water at 200 kPa, with a total volume of 1m3, while room B is at 0.5 MPa, 400°C. The membrane now ruptures and heat transfer takes place so that the water comes to a uniform state at 100°C. Find the heat transfer during the process if rooms A and B initially contain 2 and 3.5kg of water respectively.
a. 7420 kJ heat gained
b. 117 kJ heat los
c. 7420 kJ heat loss
d. 117 kJ heat gained
Transcribed Image Text:P(kPa)
101.42
200
T(°C)
400
T(°C)
100
120.21
V¹ (m²/kg)
0.001043
0.001061
V (m³/kg)
1.6720
0.88578
Vv (m³/kg)
0.61731
0.5 MPa
U (kJ/kg)
419.06
504.50
Uv (kJ/kg)
2506.0
2529.1
Uv (kJ/kg)
2963.7
H' (kJ/kg)
419.17
504.71
H' (kJ/kg)
2675.6
2706.3
H' (kJ/kg)
3272.4
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