Section: Thermodynamics | Marks: 2
A gas in a closed system is compressed reversibly from an initial volume of 0.2 m3 to 0.1 m3 at a constant pressure of 3 bar. During this process, there was a heat transfer of 50 kJ from the gas. The change in internal energy of the gas during this process in kJ is
- A. 20
- B. −80
- C. 80
- D. −20 XE (GATE 2014)
Answer: D. −20 XE (GATE 2014)