1.

A closed gaseous system undergoes a reversible constant pressure process at 2 bar in which 100 kJ of heat is rejected and the volume changes from 0.2 m3 to 0.1 m3. The change in the internal energy of the system

A. -100 kJ
B. -80 kJ
C. -60 kJ
D. -40 kJ
Answer» C. -60 kJ


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