A tank contains nitrogen [ k = 1.4 and R = 297 J/(kg?K)] at 225 kPa (abs) and 50°C. A convergent…

A tank contains nitrogen [ k = 1.4 and R = 297 J/(kg_K)]
at 225 kPa (abs) and 50°C. A convergent nozzle of exit area 0.05 m2 is used to
exhaust this gas to an ambient pressure of 100 kPa (abs). Calculate the mass
rate of flow and the pressure at the nozzle throat.