Apiston-cylinder device contains 0.1 kg of hydrogen gas (pg model: cv=10.18, k = 1.4, r= 4.12 kj/kg-k) at 1000 kpa and 300 k. the gas undergoes an expansion process and the final conditions are 500 kpa, 270 k. if 10 kj of heat is transferred into the gas from the surroundings at 300 k, determine (a) the boundary work (wb), and (b) the entropy generated (sgen) during the process

Agas contained within a piston-cylinder assembly e end nation about same energy states, 1 and 2, where pi 10 bar, v undergoes two processes, a and b, between the sam 0.1 m3, ui-400 kj and p2 1 bar, v2 1.0 m2, u2 200 kj: process a: process from 1 to 2 during which the pressure- volume relation is pv constant process b: constant-volume process from state 1 to a pressure of 2 bar, followed by a linear pressure-volume process to +20 0 state 2 kinetic and potential energy effects can be ignored. for each of the processes a and b, (a) sketch the process on p-v coordinates, (b) evaluate the work, in kj, and (c) evaluate process the heat transfer, in kj