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A closed thermodynamic system is defined as consisting of subsystems A and B as shown in Figure Q5 in the supplementary material. During processes 1-2, an external heat transfer is applied to subsystem B (Qext = [q] kJ), causing the system to change from state 1 to state 2. Subsystems A and B may only interact thermally; i.e. (W1-2)A (W1-2)B=0. Furthermore, the system is designed such that the change in energy of subsystem A ((E2- E₁)A) is [r] times that of subsystem B ((E2-E1)8). Calculate the value of the heat transfer that enters subsystem A during processes 1-2 (Q1-2)A. Figure Q5 Qext = Subsystem B Subsystem A Hint...: 1st Law for the Entire System: (E2-E₁) Q1-2-W₁-2 Consider Entire system is made up of A and B: (E2-E₁)-(E2-E1)A+ (E2-E1)e (What is W₁-2?)
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Transcribed Image Text:A closed thermodynamic system is defined as consisting of subsystems A and B as shown in Figure Q5 in the supplementary material. During processes 1-2, an external heat transfer is applied to subsystem B (Qext = [q] kJ), causing the system to change from state 1 to state 2. Subsystems A and B may only interact thermally; i.e. (W1-2)A (W1-2)B=0. Furthermore, the system is designed such that the change in energy of subsystem A ((E2- E₁)A) is [r] times that of subsystem B ((E2-E1)8). Calculate the value of the heat transfer that enters subsystem A during processes 1-2 (Q1-2)A. Figure Q5 Qext = Subsystem B Subsystem A Hint...: 1st Law for the Entire System: (E2-E₁) Q1-2-W₁-2 Consider Entire system is made up of A and B: (E2-E₁)-(E2-E1)A+ (E2-E1)e (What is W₁-2?)
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