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Unformatted text preview: Printed Name: Problem Score 1 2 3 4 5 Total ChE 330 Final Exam: Winter 2000 Open Book Course Notes, Homework Solutions, and Course Text Only! There are 10 pages including the cover for this exam Write and Sign the Honor Code Signature: 1 Initials: 2 1. Short Answer a) For a given reaction, H /RT = 4 . 3, and G /RT = 9 . 0 at T = 298 K . Sketch the expected behavior of the equilibrium constant K a on a plot of ln K a vs. 1 /T of a range of T = 300 1000 K. ln K 1/T b) Below is a phase diagram for a water-ethanol-hexane system. Label the point corre- sponding to a mixture with an overall composition of z hexane = 0 . 4 and z water = 0 . 3 and then label the compositions of the two phases that this mixture will separate into. 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Hexane Ethanol Initials: 3 c) Sketch a typical isotherm (for T < T c ) on a P-V diagram of a substance that undergoes a liquid-vapor transition. Pressure Volume Vc d) Sketch the phase diagram of a typical pure substance on a P-T diagram, showing (and labeling) the critical point (C), the triple point (T), and liquid-solid line (L-S) and the liquid-vapor line (L-V). Pressure Temperature Triple point Critical Point Solid Vapor Liquid Initials: 4 2. Given a binary mixture at a given temperature T, with the following data: P sat 1 = 0 . 12 MPa, P sat 2 = 0 . 45 MPa, and at x 1 = y 1 = 0 . 25, P = 0 . 53MPa....
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This note was uploaded on 04/21/2008 for the course CHE 330 taught by Professor N/a during the Winter '02 term at University of Michigan.

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final_2000_key - Printed Name: Problem Score 1 2 3 4 5...

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