Question

A piston-cylinder device contains helium gas initially at 100 kPa, 10°C, and 0.2 m³. The helium is now compressed5-99constant) to 700 kPa and290°C. Determine the heat loss or gain during this process.in a polytropic process (PV"Answer: 6.51 kJ loss

Fig: 1

Fig: 2