Physics · Thermodynamics
A system undergoes a change of state during which 84 kJ of heat is transferred to it and it does 26 kJ of work. The system is brought back to its original state through a process during which 72 kJ of heat is rejected by it. The work done on the system during the return stroke is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1172 kJ
- 2130 kJ
- 338 kJ
- 414 kJ✓
Correct answer
14 kJ
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