2045EG-Exam2A-Fall2007 no work

2045EG-Exam2A-Fall2007 no work - CHM 2045EG Spring 2007...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
CHM 2045EG Spring 2007 EXAM 2 Form A Please bubble in your name, UFID, and form code on your scan-tron. Section numbers are not necessary. Possibly useful constants: N A = 6.022 x 10 23 h = 6.626 x 10 34 J s c = 3.00 x 10 8 m s –1 R(Rydberg’s Constant) = 1.097 x 10 7 m 1 1 rydberg = Rhc = 2.18 x 10 18 J 1. If the lattice energy for KF is close to 800 kJ/mol, a good estimate for the lattice energy of ScN would be closest to (A) 800 kJ/mol (B) 2400 kJ/mol (C) 4100 kJ/mol (D) 7200 kJ/mol (E) 8500 kJ/mol 2. All of the following are planar except (A) IF 4 (B) BrF 3 (C) CO 3 2 (D) BF 4 (E) CH 3 + 3. Which of these has a non-zero dipole moment? (A) XeF 4 (B) XeO 4 (C) SeF 4 (D) CS 2 (E) AsCl 5 4. The Br – O bond order for the resonance hybrid structure of BrO 3 is (A) 0.5 (B) 1 (C) 1.33 (D) 1.67 (E) 2 5. The shape of BrO 3 is (A) Tetrahedral (B) T-shaped (C) Trigonal planar (D) Bent (E) Trigonal pyramidal 6. Which of the following statements about atomic structure and quantum theory is
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

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.

Page1 / 2

2045EG-Exam2A-Fall2007 no work - CHM 2045EG Spring 2007...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online