Midterm #3 2016 Final - Student Name TA Name or Quiz...

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Student Name:______________________________ TA Name or Quiz Section:_________________(5 pts.) ChBE 422 Midterm # 3 May 2 th , 2016 You have 50 minutes for this exam. Please do not begin until we tell you to do so. - Put your initials in the space provided on each page - You may not have a backpack, purse, pencil bag etc. anywhere near your desk or on the floor nearby You are allowed to use: - A single 8.5” x 11” sheet of notes and equations - A graphing calculator Note: you are not permitted to use graphing calculators for algebraic manipulations, integrations, or solving differential equations. If we believe your answer was determined using a calculator for these operations you will not receive full credit. The exam contains 4 problems. Each is worth the total points indicated below. 1) Liquid-Liquid Extraction ______/_30______ 2) Ion Exchange Resin ______/_30______ 3) Staged Distillation Column ______/_40______ The maximum score is 100 points for the full exam. TIPS: - Show all work to get maximum partial credit. - Pay attention to the units of the system. - Only work on the pages included in this packet will be graded. Mathematical and Physical Constants Used in Transport Boltz mann’s constant: k B = 1.381 *10 -23 J K -1 Planck’s constant: h = 6.626 * 10 -34 J s Avogadro’s number: N A = 6.022 *10 23 molecules per g-mole
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2 Problem 1) Liquid-Liquid Extraction (30 pts.)
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