How were the enthalpies found on the graph? H(f) = 10 btu/lbm (5% H2SO4 at 60 degrees F) H(l) = -17 btu/lbm (40% H2SO4 at 180 degrees F) PDF *Elementary Principles of Chemic X +74°FSunnyFile | E:/Elementary%20Principles%20of%20Chemical%20Processes,%204th%20Edition%20(%20PDFDrive%20).pdfDrawT Read aloudFrom Figure 8.5-1:Energy Balance:Q SearchThis applies,(to example8.5=3Fusionfarmase469 of 695ⓇCiliquid phase-The enthalpy of water vapor at 180°F and 1 atm relative to liquid water at 32°F may be obtained from thesteam tables in Perry's Chemical Engineers' Handbook (see Footnote 5) asvivapur phase=HF 10 Btu/lbmH=-17 Btu/lbmm₁(lbm)XA1 (lbm A/lbm)A₁(Btu/lbm)m₂(lbm)XA2(lbm A/lbm)Ĥ₂(Btu/lb)ODHv 1138 Btu/lbmQ = AH = m₂ Ay+ m₂A₁-(1000 lbm/h)ĤF= [(875)(1138) + (125)(-17) - (1000)(10)] Btu/h984,000 Btu/h/■Compare the ease of this computation with that of Example 8.5-1. Having the enthalpy-concentrationchart eliminates the need for all of the hypothetical heating, cooling, and isothermal mixing steps that wouldnormally be required to evaluate the total enthalpy change for the process.Processes involving adiabatic mixing are particularly simple to analyze when an H-x chart isavailable. Suppose XÃ is the mass fraction of A in a mixture of two species, A and B and that amass m₁ of Solution 1 (XA1, Ĥ₁) is/mixed adiabatically with a mass m₂ of Solution 2) (XA2, H₂) Wewill show that the condition of the product mixture, (xÃ3, Ħ3), is on a straight line on the H-x chartbetween the points corresponding to the feed stream conditions.(5% H₂SO4 at 60°E)(40% H₂SO4 at 180°F)m3(lbm)XA3(lbm A/lbm)A3(Btu/lbm)8.5 Mixing and Solution 449Ĥ₂Ĥ₂Ĥ₁ΚΑΙXA3XA3XA2m₁xAl + m₂xA2m₁ + m₂{"ⓇJ6350DENGSign inI00+O8:43 PM5/21/2023 PDF *Elementary Principles of Chemic X59°FSunnyYouTubeDrawFile | E:/Elementary%20Principles%20of%20Chemical%20Processes,%204th%20Edition%20(%20PDFDrive%20).pdfX +T Read aloud(Btu/lb solution)Q Search140120100806040200-20-40-60-80-100-120-140467 of 6950 0.10 0.20FIGURE 8.5-1 Enthalpy-concentrationChem. Eng. Progr., 43:314, 1952.)32°F6010040CD140120200°F180160Freezing line0.30 0.40 0.50 0.60 0.70Mass fraction of H₂SO4chart for H₂SO4-H₂O. (Redrawn from the data of W. D. Ross,0.800.90 1.00{"J6350DENGSign in(0)+O8:18 AM5/17/2023

Question

How were the enthalpies found on the graph?  H(f) = 10 btu/lbm  (5% H2SO4 at 60 degrees F)                                                                             H(l) = -17 btu/lbm  (40% H2SO4 at 180 degrees F) PDF *Elementary Principles of Chemic X +74°FSunnyFile | E:/Elementary%20Principles%20of%20Chemical%20Processes,%204th%20Edition%20(%20PDFDrive%20).pdfDrawT Read aloudFrom Figure 8.5-1:Energy Balance:Q SearchThis applies,(to example8.5=3Fusionfarmase469 of 695ⓇCiliquid phase-The enthalpy of water vapor at 180°F and 1 atm relative to liquid water at 32°F may be obtained from thesteam tables in Perry's Chemical Engineers' Handbook (see Footnote 5) asvivapur phase=HF 10 Btu/lbmH=-17 Btu/lbmm₁(lbm)XA1 (lbm A/lbm)A₁(Btu/lbm)m₂(lbm)XA2(lbm A/lbm)Ĥ₂(Btu/lb)ODHv 1138 Btu/lbmQ = AH = m₂ Ay+ m₂A₁-(1000 lbm/h)ĤF= [(875)(1138) + (125)(-17) - (1000)(10)] Btu/h984,000 Btu/h/■Compare the ease of this computation with that of Example 8.5-1. Having the enthalpy-concentrationchart eliminates the need for all of the hypothetical heating, cooling, and isothermal mixing steps that wouldnormally be required to evaluate the total enthalpy change for the process.Processes involving adiabatic mixing are particularly simple to analyze when an H-x chart isavailable. Suppose XÃ is the mass fraction of A in a mixture of two species, A and B and that amass m₁ of Solution 1 (XA1, Ĥ₁) is/mixed adiabatically with a mass m₂ of Solution 2) (XA2, H₂) Wewill show that the condition of the product mixture, (xÃ3, Ħ3), is on a straight line on the H-x chartbetween the points corresponding to the feed stream conditions.(5% H₂SO4 at 60°E)(40% H₂SO4 at 180°F)m3(lbm)XA3(lbm A/lbm)A3(Btu/lbm)8.5 Mixing and Solution 449Ĥ₂Ĥ₂Ĥ₁ΚΑΙXA3XA3XA2m₁xAl + m₂xA2m₁ + m₂{&#34;ⓇJ6350DENGSign inI00+O8:43 PM5/21/2023 PDF *Elementary Principles of Chemic X59°FSunnyYouTubeDrawFile | E:/Elementary%20Principles%20of%20Chemical%20Processes,%204th%20Edition%20(%20PDFDrive%20).pdfX +T Read aloud(Btu/lb solution)Q Search140120100806040200-20-40-60-80-100-120-140467 of 6950 0.10 0.20FIGURE 8.5-1 Enthalpy-concentrationChem. Eng. Progr., 43:314, 1952.)32°F6010040CD140120200°F180160Freezing line0.30 0.40 0.50 0.60 0.70Mass fraction of H₂SO4chart for H₂SO4-H₂O. (Redrawn from the data of W. D. Ross,0.800.90 1.00{&#34;J6350DENGSign in(0)+O8:18 AM5/17/2023

Accepted Answer

Temperature of 5 wt % H2SO4 solution = 60 0F
Temperature of 40 wt % H2SO4 solution = 180 0F