A closed system undergoes a thermodynamic cycle with three steps: process 1-2 (from state 1 to state 2), process 2-3 (from state 2 to state 3), process 3-1 (from state 3 to state 1). During process 1-2, the system received energy by heat transfer of 5J and did work of 10J. During process 2-3, the system was transferred energy from its surrounding by heat transfer of 25J and work was done on the system of 20J. During process 3-1, the system discharged 40J to its surrounding by heat transfer. What is work associated with process 3-1? Enter the answer with the sign: + or - , but without units. For example, +27. Enter zero with no sign: 0.

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Chapter3: The First Law Of Thermodynamics
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Problem 92AP: Two moles of a monatomic ideal gas such as oxygen is compressed adiabatically and reversibly from a...
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A closed system undergoes a thermodynamic cycle with three steps: process 1-2 (from state 1 to state 2), process 2-3 (from state 2 to state 3), process 3-1 (from state 3 to state 1).
During process 1-2, the system received energy by heat transfer of 5J and did work of 1OJ.
During process 2-3, the system was transferred energy from its surrounding by heat transfer of 25J and work was done on the system of 20J.
During process 3-1, the system discharged 40J to its surrounding by heat transfer. What is work associated with process 3-1?
Enter the answer with the sign: + or - , but without units. For example, +27. Enter zero with no sign: 0.
Transcribed Image Text:A closed system undergoes a thermodynamic cycle with three steps: process 1-2 (from state 1 to state 2), process 2-3 (from state 2 to state 3), process 3-1 (from state 3 to state 1). During process 1-2, the system received energy by heat transfer of 5J and did work of 1OJ. During process 2-3, the system was transferred energy from its surrounding by heat transfer of 25J and work was done on the system of 20J. During process 3-1, the system discharged 40J to its surrounding by heat transfer. What is work associated with process 3-1? Enter the answer with the sign: + or - , but without units. For example, +27. Enter zero with no sign: 0.
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