StudentLecture_10 - Housekeeping Details Reading: Chapter...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Housekeeping Details Reading: Chapter 16 Reading for next time: Sect. 10.1-10.4; CH 17; 3.7, 4.6-4.7 Lab: Chapter 7, Bromocresol Green Equilibrium Systems HW6: Due as usual.
Background image of page 1

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

View Full DocumentRight Arrow Icon
Clicker Question For which of the following reactions is product formation favored by _____________________________________ ____________________________? A) CO(g) + 3 H 2 (g) CH 4 (g) + H 2 O(g) ΔH o = -206.2 kJ B) CO 2 (g) + C(s) 2 CO(g) ΔH o = 172.5 kJ C) H 2 (g) + I 2 (g) 2 HI(g) ΔH o = -9.4 kJ D) N 2 (g) + O 2 (g) 2 NO(g) ΔH o = 181 kJ E) N 2 (g) + 2 O 2 (g) 2 NO 2 (g) ΔH o = 66.4 kJ
Background image of page 2
Heating ammonium hydrogen sulfide leads to decomposition. NH 4 HS(s) NH 3 (g) + H 2 S(g) H > 0 Predict the effect on the equilibrium of __________ ____________ at a constant temperature. A. no change B. shifts left C. shifts right Clicker Question Predicting Equilibrium Changes
Background image of page 3

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

View Full DocumentRight Arrow Icon
Heating ammonium hydrogen sulfide leads to decomposition. NH 4 HS(s) NH 3 (g) + H 2 S(g) H > 0 Predict the effect on the equilibrium constant of ____________________ at a constant temperature. A. no change B. increase C. decrease Clicker Question Predicting Equilibrium Changes
Background image of page 4
Heating ammonium hydrogen sulfide leads to decomposition. NH 4 HS(s) NH 3 (g) + H 2 S(g) H > 0 Predict the effect on the equilibrium of __________ __________________ . Answer by choosing: A. no change B. shifts left C. shifts right Clicker Question Predicting Equilibrium Changes
Background image of page 5

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

View Full DocumentRight Arrow Icon
Clicker Question Predicting Equilibrium Changes Heating ammonium hydrogen sulfide leads to decomposition. NH 4 HS(s) NH 3 (g) + H 2 S(g) H > 0 Predict the effect on the equilibrium _______ ____________ the reaction. A. no change B. shifts left C. shifts right
Background image of page 6
Clicker Question Predicting Equilibrium Changes Heating ammonium hydrogen sulfide leads to decomposition. NH 4 HS(s) NH 3 (g) + H 2 S(g) H > 0 Predict the effect on the equilibrium constant ____ ______________ the reaction. A. no change B. increases C. decreases
Background image of page 7

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

View Full DocumentRight Arrow Icon
Equilibrium Systems: Smog Ozone layer Acid rain Many industrial syntheses Biochemical systems tend to equilibrium
Background image of page 8
N 2 (g) + 3H 2 (g) = 2NH 3 (g) H = -91.8 kJ NH 3 NO NO 2 HNO 3 explosives fertilizers other products At low temperatures, too slow. At higher temps K becomes small. T = 300 K, K c = 3 x 10 8 . T = 600 K, K c = 4.5
Background image of page 9

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

View Full DocumentRight Arrow Icon
N 2 (g) + 3H 2 (g) = 2NH 3 (g) H = -91.8 kJ To improve yield: Increase pressure Add catalyst Lower temperature Flow process with NH 3 removal 400 o C, 200-300 atm
Background image of page 10
_____ from [ ] eq or P eq 2. Find __________ given K and other [ ] eq or or P eq 3. Find the __________ necessary to reach equilibrium given K and [ ]
Background image of page 11

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

View Full DocumentRight Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/27/2012 for the course CHEM 116 taught by Professor Stevenson during the Spring '08 term at Purdue University-West Lafayette.

Page1 / 37

StudentLecture_10 - Housekeeping Details Reading: Chapter...

This preview shows document pages 1 - 12. Sign up to view the full document.

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