A steel cylinder initially contains nitrogen gas at 200 kPa and 25°C. The cylinder is connected to a supply line containing nitrogen at 800 kPa and 25°C. A valve is opened, allowing nitrogen to flow into the cylinder until the pressure reaches 800 kPa. The cylinder internal volume is-0.1 m3, its mass (cylinder only) is 50 kg, and its specific heat is 0.43 kJ/kg·K. Find the final mass of nitrogen in the tank and the final temperature of the nitrogen assuming constant specific heats at room temperature for nitrogen, and assuming (a) no heat transfer from the nitrogen to the tank, and (b) rapid heat transfer between the nitrogen and tank such that the cylinder and nitrogen remain in thermal equilibrium during the process (with negligible heat transfer from the cylinder to its external surroundings.)
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