Exam 4 Information: CHEM 1030, Spring 2005 Help Session Monday, April 18 5:00 – 6:30 PM CR 302 Class There will be no class lecture on Wed. April 20. Discussion sections and labs meet as usual during exam weeks, but there will be no online quiz. Exam 4 Wednesday. April 20 5:10 – 6:50 PM If your last name begins with A-G go to: CR 308 If your last name begins with H-N go to: CR 306 If your last name begins with P, R, T : CR 208 If your last name begins with S, V-Z : CR 210 What to bring: Pencil & calculator Blue Bubble Sheet Practice: Rework previous homework, quiz, and discussion problems. A “practice exam” has been posted on the course web-site. www.uwyo.edu/chem1030 Use the chapter study guides that are posted on the class website as guidelines. Coverage: Pages 160-203 and 222-224 in your Lecture Notebook. Chapters 16 all assigned material Chapter 17 all assigned material Chapter 18, Pages 770-779 in textbook Homework Problems A, B, X, 27abc, 28ade Study Guide topics 1-5 Information Provided on the Exam: 1. A periodic table 2. Solubility rules as on page 168 of lecture notes 3. Ksp, Kf, Hfo, Gfo and So values if needed 4. R = 8.314 J/mol K R = 0.0821 L atm/K mol ΔSsurr = - ΔHsys/T ΔGo = -RTlnK ΔG = ΔGo + RTlnQ Suniv = Ssys + Ssurr ln K2 = - H 1 - 1 K1 R T2 T1 Make sure you know: 1. ΔG = ΔH - TΔS G, ΔH, ΔS = products - reactants (*each mult. by # moles) 2. Either the formulas used in the vapor pressure and normal boiling point problems or how to derive them from ΔGo = -RTlnK ΔG = ΔH - TΔS DO NOT PROGRAM ANYTHING INTO YOUR CALCULATOR!!!! DO NOT BRING ANY NOTECARDS TO THE EXAM!!!!!