In Exercises 3762, solve the equation. 21 = -2t + 9

Chem 211– Spring 2016 Exam 2 Study Guide This is a list of concepts, terms, and topics with which you should be familiar. This is not meant to be an exhaustive list of all topics, just few important ideas to keep in mind. Also make sure to use the Connect Work Assignments/Learn Smart to help you study Chapter 16 Reaction Rate -Definition, Expressing -Average, Instantaneous, Initial Rates Rate Law -Definition -Rate Constant st nd -Integrated reaction order (1 , 2 and Zero order reaction) with calculation -Writing rate law Half Lives: Definition and calculation Arrhenius Equation Basic Collision Theory and Transition Theory Catalysis -Definitions/effect on Rate Chapter 17 Dynamic Equilibria -Definition, Form of Reaction Quotient and Equilibrium Constant Relationship between Kc and Kp Relationship between Q and K Calculation K from Equilibrium Amounts Calculation of Equilibrium Amounts from K Le Chatelier’s Principle -Change in concentration, pressure, temperature or addition of Catalyst Chapter 18 Arrhenius Definitions of Acids and Bases Definition of Strong vs. Weak Acids/Bases H3O+¿ ¿ OH−¿ Auoionization Water: Kw ¿ ¿10−1,¿ pH Scale: pKw= pH+pOH=14 Bronsted-Lowry -Definition Acids/Bases -Conjugate Acid-base Pairs Weak Acid equilibrium, Percentage Dissociation, Polyprotic Acids Weak Bases, Kb and pKb Conjuagte Acid-Base Pair: pKa+pKb=pKw Lewis Acid/Bases