Begin CH302 Spring 2011 Practice Quiz 1 |
1) The vapor pressure of water at 25C is 23.76 Torr and its standard enthalpy of
vaporization at that temperature is 44.0 kJ mol 1. Estimate the vapor pressur
CH 302 13 Answer Key
More Advanced Electrochemistry Problems
1. (a) Calculate the mass of copper metal produced at the cathode during the passage of
2.50 amps of current through a solution of copper (
CH 302 Worksheet 13 More Advanced Electrochemistry calculations
1. (a) Calculate the mass of copper metal produced at the cathode during the passage of 2.50 amps of current
through a solution of coppe
CH302 Worksheet 12. Balancing Redox reactions and assigning cell convention.
Use the table of standard reduction potentials below as required.
Half reaction
Li+ + e- = Li
Na+ + e- = Na
Mg+2 + 2e- = Mg
CH 302 Worksheet 10
1. NaH2PO4 (conc. = CNaH2PO4) is dissolved in water. Write the mass balance equation for this system.
2. Write the charge balance equation for the solution in question 1.
3. Write
CH302 Worksheet 8 How to Systematically Work Harder and Harder Acid Base
Calculations Exactly the Same Way: Proof that the Seven Steps to Solving Acid Base Problems Work
1 Remove the spectator ions
2
CH302 Worksheet 8How to Systematically Work Harder and Harder Acid Base Calculations Exactly the
Same Way: Proof that the Seven Steps to Solving Acid Base Problems Work
1 Remove the spectator ions
2 A
Worksheet 7More Solubility Problems Answer Key
1. A solution is made with NaI and NaCl such that it is 0.01 M in both I- and Cl-. To 1 L
of this solution 0.01 moles Ag(NO3) are added (you can ignore a
Work Sheet 7 More Solubility Equilibria
1. A solution is made with NaI and NaCl such that it is 0.01 M in both I- and Cl-. To 1 L
of this solution 0.01 moles Cu(NO3) are added (you can ignore any volu
CH302 Worksheet 6 Answer Key
20 questions involving simple water equilbria and the approximations that make them simple.
1. The only water equilibrium for which we make no approximations is the case o
CH302 Worksheet 6
20 questions involving simple water equilbria and the approximations that make them simple.
1. The only water equilibrium for which we make no approximations is the case of pure wate
CH302 Worksheet 5 Answer Key: A charming calculator-free worksheet concerning K sp, Kw, Ka & Kb
and strong acids and bases.
1. Define Ksp for the dissolution of the following salts in water. If necess
CH302 Worksheet 5: A charming calculator-free worksheet concerning K sp, Kw, Ka & Kb
and strong acids and bases.
1. Define Ksp for the dissolution of the following salts in water. If necessary, write
Worksheet 4: Identifying Types of Acids and Bases.
As quickly as possible, identify the compounds below by type of acid or base and the
symbol to be used in an acid or base calculation (answer key bel
CH302 Worksheet 2Colligative Properties
All of this is intended to be done without the aid of a calculator. All of the calculations are designed such
that approximating should be straight-forward and
CH302 Worksheet 1 Answer Key
For Questions 1-4, use the Phase diagram below.
1. What is a good general definition of the term triple point? How many triple points are found int he
phase diagram for qu
CH302 Spring 2009 Worksheet 2.
For Questions 1-4, use the Phase diagram below.
1. What is a good general definition of the term triple point? How many triple points are found int he
phase diagram for
CH302 Worksheet 0 Answer Key: A Little Thermo Review
1. What two processes (a.k.a. path functions) can transfer internal energy between a
system and its surroundings? What symbols are used for these v
CH302 TA Practice Quiz 1 Answer Key
1. An unknown liquid is 2000 Pa at 25 oC and 7500 Pa at 50 oC. Based on the ClausiusClapeyron equation which expression below could be used to solve for the enthalp
CH302 TA Practice Quiz 6 In principle this can be done without a calculator if you use the hints provided and a
piece of scratch paper.
Note: ln 2 = .693
1. Consider the reaction below. Which of the f
CH302 Spring 2011 Practice Quiz 3The TA Version
1. Which of the following pairs of solutions would result in a buffer upon mixing?
1. 25 mL of 4 M HCl & 15 mL of 4 M HNO2
2. 200 mL of 0.5 M LiOH & 100
CH 302 TA Practice Quiz 2-Answer Key
1. Determine the correct equilibrium expression for the reaction of hydrogen gas with nitrogen gas to
produce ammonia gas. (You will need to write the balanced rea
CH 302 TA Practice Quiz 2
1. Determine the correct equilibrium expression for the reaction of hydrogen gas with nitrogen gas to
produce ammonia gas. (You will need to write the balanced reaction yours
CH301 Spring 2011 TA Practice Quiz 5
1. In which of the following polyatomic ions does the chromium atom have an even oxidation state?
I. CrO42II. CrO2III. CrO22+
1. I only
2. II only
3. III only
4. I
CH302 Spring 2011 Practice Quiz 6-calculator free
1. Consider the reaction found in the Haber process. Write down the rate expressions for the
three compounds found in the reaction. Which of the follo