An enthalpy-concentration diagram is given in Figure for a mixture of n-hcxanc (H). and n-octane (0) at
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An enthalpy-concentration diagram is given in Figure for a mixture of n-hcxanc (H). and n-octane (0) at 101 kPa. Using this diagram, determine the following:
(a) The mole-fraction composition of the vapor when a liquid containing 30 mol% H is heated from point A to the bubble-point temperature at point B.
(b) The energy required to vaporize 60 mol% of a mixture initially at l00oF and containing 20 mol% H (point G).
(c) The compositions of the equilibrium vapor and liquid resulting from part(b).
Transcribed Image Text:
300 °F 280 °F 260 °F 30 Saturated vapor 20 Saturated liquid 10 140 °F 120 °F 100 °F G A P = 1 atm 1.0 0.8 0.6 0.4 0.2 Mole fraction of n-hexane, x or y Figure 7.37 Enthalpy-concentration diagram for n-hexane/ n-octane. Enthalpy, Btu/lbmol x 10-3 240 °F 220 °F B. 200 °F do 081 do 091
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a In Fig below the bubble point for 30 mol nC 6 in nC 8 is shown as point B which corresponds to a t...View the full answer
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