Practice Exam 2

Practice Exam 2 - Chem 105b Sample Exam 2 Name_...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chem 105b Sample Exam 2 Name________________________ INSTRUCTIONS: 1. You must show your work to receive credit. If you need more space, use the back of the page. 2. The test has a total of 7 pages with 9 questions. Please make sure you have all of the pages before you begin. There are table of equilibrium constants on the last page. 3. Manage your time! If you get stuck on a problem – make sure you have attempted the other problems before spending too much time on it. Good luck! pH = pK a + log[A - ] [ H A ] pH = -log[H + ] pOH = -log[OH - ] pK = -logK K a x K b = K w at 25 °C pK a + pK b = 14 at 25 °C
Background image of page 1

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

View Full DocumentRight Arrow Icon
1. (10 pts) Consider the following equilibrium: Ag + (aq) + Cl - (aq) AgCl (s) which is exothermic. Use Le Châtelier’s principle to predict how the amount of solid silver chloride will change when the equilibrium is disturbed by: a. Adding NaCl. b. Adding AgNO 3 . c. Adding NH 3 (Ag(NH 3 ) 2 + is insoluble). d. Removing Cl
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 7

Practice Exam 2 - Chem 105b Sample Exam 2 Name_...

This preview shows document pages 1 - 3. Sign up to view the full document.

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