Elementary Principles 298 - 8.44 a. Antoine equation: Tb C...

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8- 19 8.44 a. Antoine equation: T b °= −= ° CC bg 1211033 690565 100 220 790 261 . .l o g .. Watson Correction: Δ ± . . H v 30765 562 6 299 3 562 6 3531 336 038 F H G I K J = C k J m o l b. Antoine equation: T b 50 mm Hg C 118 . ; T b 150 mm Hg C 352 . Clausius-Clapeyron: ln ± ± ln p H RT CH R pp TT v v =− + ⇒ Δ Δ 21 11 Δ ± . ln . . H v ⋅− R S | T | U V | W | = 0 008314 150 50 13084 1 34 3 kJ mol K K 285.0 K kJ mol c. ( , 26.1°C) C H l 6 6 ( , 80.1°C) C H l 66 Δ H 1 ± ( , 26.1°C) C H v ( , 80.1°C) C H v Δ H 2 ± Δ H v ± (80.1°C) Δ ± . . . HC d T p l 1 26 1 80 1 750 == z di kJ mol Δ ± . . . d T p v 2 80 1 26 1 490 z Δ ± . . . H v 7 50 30 765 4 90 334 °= + − = k J m o l 8.45 a. T out = 49.3 o C . The only temperature at which a pure species can exist as both vapor and liquid at 1 atm is the normal boiling point, which from Table B.1 is 49.3 o C for cyclopentane. b. Let and denote the molar flow rates of the feed, vapor product, and liquid product streams, respectively.
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