D9. " We wish to flash distil an ethanol-water mixture that is 30.0wt% ethanol and has a feed flow of 1000.0kg/h. Feed is at 200C. The flash drum operates at a pressure of 1.0kg/cm2. Find Tdrum, weight fraction of liquid and vapor products, and liquid and vapor flow rates. Data: CPL,EtOH=37.96at100C,kcal/(kmolC)CPL,W=18.0,kcal/(kmolC)CPV,EtOH=14.66+3.758102T2.091105T2+4.74109T3CPV,W=7.88+0.32102T0.04833105T2 Both CPV values are in kcal/(kmolC), with T in C. EtOH=0.789g/mL1W=1.0g/mL,MWEtOH=46.07,MWW=18.016,EtOH=9.22kcal/molat351.7K,andW=9.7171kcal/molat373.16K. Enthalpy composition diagram at p=1kg/cm2 is in Figure 2-4. Note: Be careful with units