Case 1: 1 kg of water initially at 20 C is heated to 100 C by contact with a heat reservoir at 100 C. Assume Cp for water is constant at 4.2 kJ/ kg *K. What is the entropy change of the water? What is the entropy change of the reservoir? What is ΔSTotal ? Case 2: Now, as an alternative, 1 kg of water at 20 C is first heated to 60 C by contact with a heat reservoir at 60 C, and then this water is heated from 60 C to 100 C by contact with a heat reservoir at 100 C. What is the entropy change of the water? What is the entropy change of the reservoir? What is ΔSTotal ?
Case 1: 1 kg of water initially at 20 C is heated to 100 C by contact with a heat reservoir at 100 C. Assume Cp for water is constant at 4.2 kJ/ kg *K. What is the entropy change of the water? What is the entropy change of the reservoir? What is ΔSTotal ? Case 2: Now, as an alternative, 1 kg of water at 20 C is first heated to 60 C by contact with a heat reservoir at 60 C, and then this water is heated from 60 C to 100 C by contact with a heat reservoir at 100 C. What is the entropy change of the water? What is the entropy change of the reservoir? What is ΔSTotal ?
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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Case 1: 1 kg of water initially at 20 C is heated to 100 C by contact with a heat reservoir at 100 C.
Assume Cp for water is constant at 4.2 kJ/ kg *K.
- What is the entropy change of the water?
- What is the entropy change of the reservoir?
- What is ΔSTotal ?
Case 2: Now, as an alternative, 1 kg of water at 20 C is first heated to 60 C by contact with a heat reservoir at 60 C, and then this water is heated from 60 C to 100 C by contact with a heat reservoir at 100 C.
- What is the entropy change of the water?
- What is the entropy change of the reservoir?
- What is ΔSTotal ?
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