(Solved): A rigid, well-insulated tank of volume 0.9 m is initially evacuated. At time t = 0, air from the ...

A rigid, well-insulated tank of volume 0.9 m³ is initially evacuated. At time t = 0, air from the surroundings at 1 bar, 305 K begins to flow into the tank. An electric resistor transfers energy to the air in the tank at a constant rate for 4.5 minutes, after which time the pressure in the tank is 1 bar and the temperature is 475 °C. Modeling air as an ideal gas, Determine a) b) The mass at the final state (10 points) The enthalpy at the inlet (5 points) the power input to the tank, in kW. (25 c) points) Air Pi T? Wcv = ? ????o Tank V = 0.9 m³