Aconverging nozzle has an exit area of 0.007 m^2 . nitrogen stored in a reservoir is to be discharged through the nozzle to an ambient pressure of 101.3 kpa. determine the flow rate through the nozzle for absolute reservoir pressures of 138 kpa, and 700 kpa. assume isentropic nozzle flow. in each case, determine the increase in mass flow to be gained by reducing the back pressure from 101.3 kpa to 0 kpa. reservoir temperature =289 k.