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Unformatted text preview: Chemistry 288 Preliminary Exam II Spring 2004, Marohn CHEMISTRY 288 Prof. John A. Marohn PRELIMINARY EXAM II Tuesday, April 20, 2004 7:30 PM to 9:00 PM Please do not open this exam until you are instructed to do so. You have 90 minutes to complete this exam. • There are TEN numbered pages in this exam, including this cover sheet. • Check to make sure you have a complete exam before beginning. • The last page contains a number of constants and equations that you may or may not require. You may tear off the last page for easy access. • Write directly on these pages. • Show all work for full credit. • Indicate UNITS where appropriate • Give your answer in MKS/SI units (e.g, Cm instead of Debye for electric dipole moment). Your name: 1 . (15) 2 . (20) 3 . (15) 4 . (15) 5 . (20) 6 . (15) Total . (100) 1 of 10 Chemistry 288 Preliminary Exam II Spring 2004, Marohn 1. True-or-False (a) True or False: The chemical potential is defined only for ideal solutions and gases. (b) True or False: The free energy change upon mixing is always positive for ideal gases. (c) True or False: If one component of a binary solution obeys Raoult’s Law, the other component must also....
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