CH 202 Final Exam Information

When: Monday March 14th, 2005 at 4:00 pm

Where: Last Name: A-J Gilbert 124

Last Name K-Z: Gilbert 224

What to bring to the Exam: Two #2 pencils, an eraser, a non-programmable calculator, and your student ID.

What will be on the Exam: The exam consists of 27 multiple choice questions worth 6 points each, and one question worth 3 points. A periodic table and all equations and constants will be provided on the front of the Exam.

Exam Objectives: For a successful exam performance, you should be able to

1) Understand the principles of heat flow between systems and surroundings. 2) Understand how calorimeters work and do calculations involving calorimetry. 3) Understand what specific heats and heat capacities are, and know how to do calculations involving these values. 4) Understand the terms enthalpy, endothermic and exothermic and how that is reflected in the sign of the H value for a reaction. 5) Be able to use Hess’s Law to combine reaction steps to obtain a H for a reaction.

6) Be able to use heats of formation of reactants and products (Hf°) to obtain the H of a reaction. 7) Understand the principles of liquid-vapor equilibrium, vapor pressure and boiling point. 8) Know the different intermolecular (IM) forces, and how to identify which are present within a molecule. 9) Be able to predict relative physical properties ( such as bp, mp and solubility) of molecules based on their IM forces. 10) Be familiar with the different types of solids and their features. 11) Be familiar with the three cubic crystal structures discussed in class- simple cubic, face-centered cubic, and body centered cubic. 12) Be familiar with rate law expressions and what they represent. 13) Understand what the order of a reactant represents, and how the overall order of a reaction is expressed. 14) Given reaction data, know how to calculate rate constants and reaction orders. 15) For a first order reaction, know how to use the integrated rate law (equation will be given) for calculating rate constants, concentrations and half lives. 16) Understand the basic principles of collision theory, the energy of activation, and the role of a catalyst. 17) Be able to use rate information for elementary steps of a reaction to determine the rate law of the reaction. 18) Understand the principles of equilibrium, the significance of the equilibrium constant and what the value represents. 19) Be able to write an equilibrium expression for a reaction. 20) Be able to perform calculations using K values and concentrations or pressures for a reaction at equilibrium. 21) Understand Le Chatelier’s principle and how a system at equilibrium will adjust to changes in concentration of reactants or products, pressure changes, and temperature changes. 22) Be able to identify conjugate acid-base pairs in an acid-base reaction. 23) Be able to use the ion product of water to find [H+], [OH-], pH and pOH for an aqueous solution. 24) Be able to calculate the pH or pOH of an acidic solution for strong and weak acids. 25) Be familiar with how colorimetric acid-base indicators work. 26) Understand the principles of acid-base titrations. 27) Given data from an acid-base titration, be able to calculate the concentration of the solution being titrated, and be able to calculate the pKa of a weak acid ( or weak base). 28) Understand the terms entropy and spontaneous as they pertain to a reaction or process, and be able to predict the sign of S for a given reaction or process. 29) Be able to calculate the S of a reaction from standard molar entropies, or from the given H and G values.

30) Be able to calculate G from Gf values, from the Gibbs-Helmholtz equation, and from K values. 31) Be able to calculate what temperature a reaction will change sign of G. 32) Be able to balance redox reactions. 33) Understand the terms oxidation, reduction, oxidizing agent and reducing agent and be able to identify these in a redox reaction and a voltaic cell. 34) Be able to use standard reduction potentials to calculate standard cell voltages (E°) 35) Be able to view a table of reduction potentials and determine which are the strongest oxidizing agents and reducing agents, and determine whether a redox reaction will be spontaneous or not. 36) Be able to relate E°, G, and K for a reaction. 37) Understand the different modes of nuclear decay and particles. 38) Be able to balance a nuclear reaction. 39) Understand the first order rate law for nuclear decay, and how to use half life data. 40) Understand the basic principles of fission and fusion. 41) Recognize the different organic functional groups. 42) Be able to predict whether a molecule will have geometrical or optical isomers 43) Be able to identify cis/trans isomers. 44) Recognize the repeating unit in a polymer. 45) Learn how addition polymers and condensation polymers form. *****CSB Assignment: Due on Sunday, March 13th at 5pm.*****

48 sections worth 0.729 pts each to make a total of 35 points. 8.1-8.6, 14.1-14.6, 16.1- 16.5, 17.1-17.5, 18.1-18.5, 21.1-21.5, 22.1-22.3, 23.1-23.4, 24.1-24.6, 25.1-25.3 sections 16.6, 22.4 and 22.5 are extra credit (.729 each)!