CHM 139 - Norman - Exam III

CHM 139 - Norman - Exam III - (Circle one) I give my...

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

View Full Document Right Arrow Icon
(Circle one) I give my permission for the public return of this exam. YES NO Chemistry 139 Name (printed) Exam 3 100 points Signature Fall 2007 Student Number Useful?: density of water = 1.00 g/mL R = 0.0821 L . atm/mol . K = 8.314 J/mol . K; 1 atm = 760 torr K = 273 + o C; If N = A/B, then log N = log A - log B If N = A b , then log N = b log A x = - b ± b 2 - 4ac 2a K w = 1.00 x 10 -14 at 25 o C Multiple choice (2 pts ea.) PLACE THE BEST ANSWER IN THE SPACE PROVIDED!!! 1. If Q < K, the reaction . (A) will proceed from left to right (B) will proceed from right to left (C) has reached equilibrium (D) doesn’t exist For the next 4 questions consider: Ni (s) + 4 CO (g) Ni(CO) 4(g) Δ H o rxn = -45 kJ 2. How does the equilibrium shift if Ni(CO) 4 is added? (A) shifts from left to right (B) shifts from right to left (C) no effect 3. How does the equilibrium shift if the temperature is decreased? (A) shifts from left to right (B) shifts from right to left (C) no effect
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 03/30/2008 for the course CHM 139 taught by Professor Norman during the Spring '07 term at Sam Houston State University.

Page1 / 4

CHM 139 - Norman - Exam III - (Circle one) I give my...

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