answer the following

Answer each problem using the FIVE STEPS of THERMODYNAMIC PROBLEM-SOLVING METHODOLOGY, including KNOWN, FIND, SCHEMATIC and GIVEN DATA, ENGINEERING MODEL any, and ANALYSIS. (If applicable). The FINAL ANSWER should be BOXED AND ROUNDED OFF TO THE NEAREST 6TH DECIMAL PLACE IF NUMERICAL. PSET 1 PSET 2 118. Air initially at 120 kPaa and 230 K, occupies 0.18 m'. It is compressed isothermally until the volume is halved and compressed at constant pressure until the volume decreases to one quarter the initial volume. Draw the PV diagram and determine the total work and the total heat for the two processes. 119. An ideal gas with a molecular weight of 6.5 kg/kgmol is compressed in reversible manner from 795 kPaa and 340 K to a final specific volume of 0.87 m3/kg according to P = 305 + 150v + 85v?, where P is the pressure in kPaa and v is the specific volume in m3/kg. If Cy = 0.857 kJ/kg-K. determine, a) the initial volume, b) the work done, c) the heat transferred, d) the final temperature and e) draw the PV diagram. 120. One pound of an ideal gas undergoes an isentropic process from 100 psig and a volume of 0.82 fts to a final volume of 4.3 ft3. If Cp =0.385 BTU/Ib-R and Cv = 0.183 BTU/lb-R. What are a) T2, b) P2. C) AH. d) W and e) Draw the PV diagram