5 Rates, rate constants, reaction orders, half-lives concepts 1. A reaction has a rate constant of 2.5 M -3 s -1 . What is the total order of the reaction? A. 2 B. 3 C . 4 D. 5 E. 1 We know the relationship of reaction order and rate constant units f

24 Hess’s Law (Also see Chapter 8 - “Bond Energies & Lengths”) 20. Given the following data: Reaction ∆ H (kJ) H 2 (g) → 2H(g) 436.4 Br 2 (g) → 2Br(g) 192.5 H 2 (g) + Br 2 (g) → 2HBr(g) -72.4 Calculate ∆ H for: H(g) + Br(g) → HBr(g) A. -194.8 kJ B. -

SOLUTION CONCENTRATION CONVERSIONS (dimension analysis/unit conversions revisited) General Procedure for converting one solution concentration type (e.g. %) into another solution concentration type (e.g., M): (1) Begin procedure with given solution c

CHAPTER 16 (TRO) NON ACID/BASE CHEMICAL EQUILIBRIUM Problems to prepare students for hourly exam II.  Non acid-base equilibrium concepts  Non acid-base equilibrium calculations  Le Chatelier’s Principle E. Tavss 2/17 1 NON ACID-BASE EQUILIBRIUM CO

Change -0.40 -0.40 +0.40 Equilibrium 0.40 0 +0.40 Yes. An equal amount of weak acid and its conjugate base is a buffer. C162s15e2v1 16 9 Chem 162-2015 Exam II H&P Chapter 14 – Non Acid/Base Chemical Equilibrium Non acid-base equilibrium calculations