2045EG-Exam3A-Fall2007 no work

2045EG-Exam3A-Fall2007 no work - CHM 2045EG Fall 2007 Exam...

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CHM 2045EG Fall 2007 Exam 3 Form A Please bubble your name, UFID, and form code on your scan-tron. Useful constants include: R = 0.0821 L atm / mol K = 8.314 J / mol K K = o C + 273.15 N A = 6.02 x 10 23 1. The valence MO configuration of O 2 + is ( σ 2s ) 2 ( σ * 2s ) 2 ( σ 2p ) 2 ( π 2p ) 4 ( π * 2p ) n . What is the value of n ? (A) 1 (B) 2 (C) 3 (D) 4 (E) 0 2. Predict the bond order and magnetic properties for O 2 + . (A) 0, paramagnetic (B) 1, paramagnetic (C) 2.5, paramagnetic (D) 2, diamagnetic (E) 1.5, diamagnetic 3. Based on valence bond theory, what are the hybrid orbitals used by the central atom in the ICl 5 ? (A) sp 3 d 2 (B) sp 3 d (C) sp 3 (D) sp (E) sp 2 4. Consider H 2 CCHCCCN. How many carbon atoms in this molecule is/are sp hybridized? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4 5. How many bonds does the molecule in #4 above have? π (A) 5 (B) 4 (C) 3 (D) 2 (E) 1 6. What is the strongest intermolecular (van der Waals) force that must be overcome to convert liquid CH 3 CH 2 CH 3 to a gas? (A) H-bonding (B) Dispersion (C) Dipole-induced dipole (D) Ion-dipole (E) Dipole-dipole 7. The pressure of 8.00 mol of chlorine gas in a 4.00 L tank exhibiting nonideal behavior at 27 o C is closest to For chlorine the van der Waals constants are
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This note was uploaded on 02/11/2010 for the course CHM 2045 taught by Professor Mitchell during the Fall '07 term at University of Florida.

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2045EG-Exam3A-Fall2007 no work - CHM 2045EG Fall 2007 Exam...

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