Lecture 11.11.09

2librs 2li g 2b r g d e ith e r a o r b e e

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Br-(g) C. 2LiBr(s) --> 2Li+ (g) + 2B r-(g) D . E ith e r A o r B E . E ith e r B o r C CQ #7 7 CQ #8 8 W h ic h w o u ld y o u e x p e c t to h a v e th e h ig h e s t la ttic e e n e r g y ? A. B. C. D. E. N aO H Sr( OH)2 Al(OH)3 B a ( O H )2 KOH W h ic h is A L W A Y S e x o t h e r m ic ? A . m a k in g b o n d s B . b r e a k in g b o n d s C . i o n iz a tio n e n e r g y D . l a ttic e e n e r g y E . e le c tr o n a ffin ity CQ #9 9 CQ #10 10 W h ic h b e s t d e s c r ib e s th e p e r io d ic tr e n d o f electronegativity? G iv e n t h e a p p r o x im a t e b o n d d is s o c ia t io n e n e r g ie s : H - Cl : 4 2 7 kJ /m ol H - B r: 3 6 3 kJ /m ol C l- C l : 2 4 3 k J / m o l B r- B r: 1 9 3 kJ /m ol e s t i m a t e ∆H o r x n f o r t h e r e a c t i o n 2 HCl + Br2 → 2 HBr + Cl2 A. B. C. D. “Southwest is best.” “Northeast is a beast.” “Have a feast in the southeast.” H uh? A . + 78 kJ C . + 14 kJ E . - 78 kJ CQ #12 11 B . -3 0 8 k J D . + 564 kJ CQ #11 12 CHEM 1251, Fall 2009 Wednesday, November 11 Draw a Lewis s...
View Full Document

This note was uploaded on 12/10/2009 for the course CHEM 1111 at Colorado.

Ask a homework question - tutors are online