Elementary Principles 169

Elementary Principles 169 - 6.6 a. p*(mm Hg) =758.9 +...

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6- 3 6.6 a. T(°C) 1/T(K) p * (mm Hg) =758.9 + h right -h left 42.7 3.17 × 10 -3 34.9 58.9 3.01 × 10 -3 78.9 68.3 2.93 × 10 -3 122.9 77.9 2.85 × 10 -3 184.9 88.6 2.76 × 10 -3 282.9 98.3 2.69 × 10 -3 404.9 105.8 2.64 × 10 -3 524.9 b. Plot is linear, ln ± ln . . p H RT Bp K T v ∗=− + ∗= + Δ 51438 19 855 At the normal boiling point, pT b = ° 760 116 mmHg C Δ ± H v = = 8.314 J 5143.8 K 1 kJ mol K 10 J 42.8 kJ mol 3 c. Yes — linearity of the ln / vs 1 plot over the full range implies validity. 6.7 a. ln . ln ; . pa T by a x px T + + ⇒ = + = = + 2732 1 bg Perry's Handbook, Table 3- 8: T 1 39 5 .C , 11 3 400 31980 10 = × mm Hg . , y 1 599146 = . T 2 565 , 22 3 760 30331 10 = × mm Hg . , y 2 6 63332 = Tx =°⇒= × 50 30941 10 3 C. yy xx p e =+ F H G I K J −= ° = = 1 1 21 6.39588 6 39588 50 599 b g m m H g b. 50 122 °= ° CF Cox chart 12 psi 760 mm Hg 625 mm Hg 14.6 psi p ⎯⎯⎯⎯ →∗ = = c. log . . . .7872 pp + =⇒
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This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.

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