A piston cylinder device contains 0.05 m3 of a gas initially at 250 KPa. At this state, a linear spring constant of 150 KN/m is touching the piston but exerting no force on it. Now, heat is transferred to the gas, causing the piston to rise and to compress the spring until the volume inside the cylinder is 0.15 m3. If the inside of the cylinder is 0.6 m3. If the inside of the cylinder is 0.6 m, determine a) The final pressure inside the cylinder, and b) the total work done by the gas.