0120 SP17 Recitation Equilibrium Worksheet 2
1. Write the equilibrium constant expression for the following equilibrium reactions.
Label each reaction as heterogeneous or homogeneous.
2. Fact or Fiction?
a. The larger the equilibrium constant, the faster
0120 SP17 Acid Base Practice
1. List the six common strong acids.
2. List the six common strong bases.
3. Write the formula of and draw the structure of ammonia.
4. Write the formula of and draw the structure of the ammonium ion.
5. Write the formula of a
0120 SP17 Acid Base Equilibria Workshop Key
1. Write the Ka expression for the following acids:
2. Of the three acids above, HCHO2 is the strongest. HC2H3O2 is the weakest.
The three acids in question one have the following pKa values.
Calculate the Ka fo
0120 SP17 Chapter 15 Equilibrium Workshop Key
1. Write the equilibrium constant expression for the following reactions:
Kc = [Ag+][Cl]
Kc = ([Ag(NH3)2+][Cl])/[NH3]
Kc = [HCl]4/([SiCl4][H2]2)
2. Determine Kp for the reaction below:
Kp = Kc(RT)n
0120 SP17 Recitation Worksheet Electrochemical Cells Key
The following material is related to part three in the lab procedure. For those of you who are not in
lab, this material is important for lecture as well.
A voltaic cell, also known as a galvanic ce
0120 SP17 Kinetics Worksheet Key
1. List four factors that affect reaction rate
d. Surface area of solid reactants
2. The rate law for the reaction 2 NO(g) + Cl2(g) 2 NOCl(g) is Rate = kcfw_
1. Rate: the rate of the reaction is the speed at which the reaction proceeds
Rate Law: An equation that relates the rate of reaction to the concentrations of reactions
(and catalyst) raised to various powers
Order of Reaction: The
Pre-lab Expt. 11
1. Equation 6 would be used to find the initial concentration of [SCN-] in the table for part
A. Equations 1,4, and 5 can be used for the table in Part B
2. A 0.004M Fe+3 solution is used in Part B because th
Pre-lab Expt. 6
a. The goal of part B is to illustrate the competition between the various
intermolecular forces by studying the partitioning of chemicals between two
b. With food dyes, the intermolecular forces can be meas
Experiment 1: Pre-lab
1. The freezing point of a liquid is temperature at which a liquid begins to enter the solid
phase from the liquid phase. Both liquid and solid phases are present at this point.
a. A solute such as
1. Equation 3 G=Rtln( K ) is used in calculations for finding the G in the first
table to graph the values in #5. Its also used in B1 and B2 to calculate the G .
Equation 1 G= HT S is used to find the S in #6 of Par
Pre-lab Experiment 10
a. What is meant by the terms: transmitted light; absorbed light; % transmittance;
absorbance? Relate these terms to the quantities I0, Itr, and A
i. Transmitted light- light that has passed through t
1. Vocabulary. Distinguish between the items in each pair; include specific examples
a. Strong acid and Weak acid- a strong acid is one that dissociates completely into its
respective ions in water. A weak acid is on
a. A power
supply is not
used in the
occurs at the
occurs at the
c. See figure
d. As the
is formed. Thus,
2+ Zn S O4
Zn+CuS O 4 C u
Zn+2 HCL H 2 + ZnCl 2 :
2+CuS O 4
C u+ Zn S O 4 Z n
Cu+ 2 HCL H 2 +Cu Cl2 :
a. FeCl3: +3 Oxidation, FeSO4: +2 Oxidation,
K2Cr2O7: +6 Oxidation, Cr(NO3)3: +3 Oxidation
: +3 Oxidation to +
Chem 0320: Problem Set O
1) Identify all nitrogen and oxygen-containing functional groups present in the molecules
2) Propose a mechanism for each reaction below.
Chem 0320: Problem Set A
Chem 0310 Review:
1) Predict the major carbon-containing product. Indicate if the reaction mixture is
optically active, racemic, or optically inactive. Then, draw the mechanism for each
Chem 0320: Problem Set D
1) Retro Diels-Alder Reactions: Draw the reactants needed to give the corresponding product
with the appropriate stereochemistry below. Some side products have been intentionally
Enantiomers and Chirality
(Adapted from Dr. Matt Bowman and Andy Pham at the University of Wisconsin-Madison)
Enantiomers are nonsuperimposable mirror images. Molecules that are chiral
have enantiomers, while molecules that are achiral do not h
Suggested Problems from Vollhardt and Schore (7th Edition)
This list contains problems that I think explore well the concepts that you should
know for each chapter. Vollhardt and Schores end-of-chapter questions are
extremely well-written, s
Acids and Bases
(Adapted from Dr. Matt Bowman, University of Wisconsin- Madison)
Part I: Bronsted- Lowry Acids and Bases
Acid and base chemistry makes up a majority of organic chemistry. Many of the
mechanisms will at one time or another have a s
Chem 0320: Problem Set C
1) For each reaction below, determine which product is the kinetic product and which one is
the themodynamic product. Explain your reasoning in 1-2 sentences. Hint: think about the
mechanism and the stability of the intermediates.
Chem 0320: Problem Set B
1) Predict the carbon-containing product(s) with the appropriate stereochemistry. If applicable,
indicate if the product(s) is optically active (OA) or racemic (rac). If no net reaction occurs,
write No rxn in the box. Unless othe
Chemistry Exam 2 Study Guide
Chapter 5: The Gaseous State
1. Be able to define pressure and to use it, converting between units as necessary.
2. Be able to define standard temperature and pressure.
3. Know the ideal gas and how to use it.
Reaction is occurring at equal rates L R and R L
o Pure solids and liquids are not included in K
K < 1, all products have small concentrations
o Little formation of products
K > 1, at least one reactant has a small concentration
o Large K limi