Class Notes Feb 12

Class Notes Feb 12 - 2/12/2010 Announcements: Friday,...

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

View Full Document Right Arrow Icon
2/12/2010 1 Announcements: Friday, February 12, 2010 Homework WebAssign #6- Due Wednesday, February 17 at 8:00 AM Recitation Week 5 – “Buffers and Titrations” Lab 3 - Titrations Complete prelab prior to recitation. Suggested Textbook Questions Continue reading Chapter 20. True or False? Students who come to class the day after an exam are the best. February 12, 2010 - CT#1 B. False C. There is not enough information to answer this question A. True Predicting the magnitude and sign of S for a reaction. Entropy and Moles of Gas solid liquid gas entropy Focus on number of moles of gas. If n gas increases, S > 0 If n gas decreases, S < 0 If n gas is constant, S ~ 0 Predict which of the following reactions has the largest positive change in entropy. February 12, 2010 - CT#2 A. H 2 O(l) → H 2 O(g) B. 2NO(g) + O 2 (g) → 2NO 2 (g) C. 2C(graphite) + O 2 (g) → 2CO(g) D. 3O 2 (g) → 2O 3 (g) E. NH 4 Cl(s) → NH 3 (g) + HCl(g) number of moles of gas entropy moles gas 1 0 = 1 2 3 = -1 2 1 = 1 2 - 3 = -1 2 0 = 2
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 03/23/2010 for the course CHEM 1131 taught by Professor Redin,kend during the Spring '08 term at Colorado.

Page1 / 2

Class Notes Feb 12 - 2/12/2010 Announcements: Friday,...

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