111809aQUESTIONS

111809aQUESTIONS - 105a Exam 4 Review 11/18/09 Practice...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
105a Exam 4 Review 11/18/09
Background image of page 1

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

View Full DocumentRight Arrow Icon
Practice exam #1 i and iii z Which has the longer N-O bond length, NO 2 - or NO 3 - ? z If four atomic orbitals on one atom overlap with four orbitals on a second atom, how many molecular orbitals will form?
Background image of page 2
Practice Exam #8b z Using the table of bond energies on page 10 determine how much energy is transferred when 35 g of thiocyanic acid (HSCN, where the H is attached to the sulfur atom) is combusted in the presence of oxygen gas. The products of the reaction are water (H 2 O), carbon dioxide (CO 2 ), sulfur dioxide (SO 2 ) and nitrogen gas (N 2 ). Use the best resonance structure determined in part a.
Background image of page 3

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

View Full DocumentRight Arrow Icon
Chapter 8 #32 z Rank the following bonds in order of increasing ionic character: N-O, Ca-O, C-F, Br-Br, K-F 0.8 K 2.8 Br 4.0 F 2.5 C 1.0 Ca 3.5 O 3.0 N
Background image of page 4
Chapter 8 #30b z Indicate the bond polarity (show the partial positive and partial negative ends) in the following bonds. z P-H
Background image of page 5

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

View Full DocumentRight Arrow Icon
Chapter 8 #44 z Which compound in each of the following pairs of ionic substances has the most exothermic lattice energy?
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 13

111809aQUESTIONS - 105a Exam 4 Review 11/18/09 Practice...

This preview shows document pages 1 - 7. Sign up to view the full document.

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