The work required to compress a gas from 100kPa and 300K to 300kPa pressure is 280kJ/kg of the gas. The compressed gas is admitted to a nozzle in which its velocity is increased to 700m/s. Find the...

The work required to compress a gas from 100kPa and 300K to 300kPa pressure is 280kJ/kg of the gas. The compressed gas is admitted to a nozzle in which its velocity is increased to 700m/s. Find the heat required during compression if the gas enters the compressor with negligible velocity and leaves the nozzle at 100kPa and 300K.