General Inorganic Chemistry II

Chemistry 175: Spring 2008

Des Moines Area Community College -- Urban Campus

Building 2, Room 209

 

Instructor:

David Vanderlinden

Office: Building 1, Room 247

Office Hours: Monday 2:30-4:00; Wednesday 2:30-3:30; Thursday 11:00-12:30

Phone: 248-7224

e-mail: dwvanderlinden@dmacc.edu

web page: http://www.dmacc.edu/instructors/dwvanderlinden/

 

Text:

Chemistry, 7th Edition, Stephen and Susan Zumdahl (required).  A study guide and solutions manual is also available but is not required. Available from Urban Campus bookstore

 

Course Note Pack:

A package of handouts which constitutes a large portion of the course notes is available to be purchased from Urban Campus bookstore.

 

Lab Manual:

Inquiries into Chemistry, 3rd Edition, Michael R. Abraham and Michael J. Pavelich (required).  Available from Urban Campus bookstore. Additional handouts will be distributed throughout the semester.

 

Equipment:

Eye protection in the form of safety goggles is required for laboratory exercises. A calculator with scientific notation, log, and natural log (ln) functions is also required.

 

 

Course Description:

            This is the second semester of a one-year sequence covering general inorganic chemistry.  It is designed primarily for students entering fields such as chemistry, biology (including pre-medical and pre-dental programs), physics, pharmacy, and other majors requiring a full year of inorganic chemistry.  This course assumes a basic understanding of general chemical concepts such as those covered in a high school chemistry course or CHM 122, completion of the first semester of college level general chemistry (CHM 165) and familiarity with algebra.  Math 073 (Elementary Algebra II) or two years of high school algebra and CHM 165 are required prerequisites to this course.

            What will you learn in this course?  You will learn how to take a systematic approach to solving problems.  You will look at the structure of matter at the atomic level, and study the changes which occur during chemical reactions.  Particular attention will be focused on a number of different types of chemical reactions (acid-base, oxidation-reduction, etc.) and a detailed look at equilibrium reactions, including energy changes during chemical reactions.  We will also take a look at the field of nuclear chemistry and study how changes in the nucleus affect the structure and energy of the atom. Intermittently throughout our studies we will take time to focus on subject matter applicable to our daily lives, such as a study of household chemicals, energy, and environmental issues.

Class Schedule:

            The class meets Monday, Wednesday, and Friday 10:10 am - 12:10 pm.  Laboratory experiments will generally be started on Fridays and completed on Mondays. The last day to drop a class is Tuesday, March 25. If you decide to drop a class, you must provide written notification to the Student Records Office (any campus) of your decision. Classes will not meet for the following holidays/breaks: Monday, January 21 (Martin Luther King, Jr. Day); Friday, March 7 (Faculty In-Service Day); and Monday-Friday, March 17-21 (Spring Break).

 

Accommodations Policy:

It is the policy of DMACC to accommodate students with disabilities.  Any student with a documented disability who requires reasonable accommodation should contact the special needs coordinator at (515) 964-6850 voice or (515) 964-6810 TTY. 

 

Grading Policy:

 

A

92% or above

 

C

70% - 74%

 

A-

89% - 91%

 

C-

67% - 69%

 

B+

87% - 88%

 

D+

65% - 66%

 

B

82% - 86%

 

D

62% - 64%

 

B-

79% - 81%

 

D-

60% - 61%

 

C+

75% - 78%

 

F

below 60%

 

 

Quiz 1:

Wednesday, January 30

10 pts.

 

Exam 1:

Wednesday, February 6

60 pts.

 

Quiz 2:

Wednesday, February 20

10 pts.

 

Exam 2:

Wednesday, February 27

60 pts.

 

Quiz 3:

Wednesday, March 26

10 pts.

 

Exam 3:

Wednesday, April 2

60 pts.

 

Quiz 4:

Wednesday, April 16

10 pts.

 

Exam 4:

Wednesday, April 23

60 pts.

 

Final Exam:

Wednesday, April 30, 12:00-2:15 pm

75 pts.

 

Lab Points:

 

130 pts.

 

Participation:

 

15 pts.

 

Pop quizzes/assignments

 

20 pts.

 

 

 

(Total = 520 pts.)

 

The dates of events (i.e., exams) listed above are subject to change.  The instructor will announce any changes at least one week in advance.

 

Participation Points:

            Active participation in daily class activities is essential for maximal course performance.  Participation points are awarded for engaging in daily class activities (approximately 1/3 point per day for a total of 15 points for the semester.)  Students must be present in class and actively participating to receive these points; consequently, failure to participate and/or any absences will result in an appropriate deduction from participation points.  You are encouraged to contact me (in person, by phone, or by e-mail before or soon after an absence) to determine what material was missed.

 

Pop Quizzes/Assignments:

            Pop quizzes could occur at the beginning of a class period on any given day.  These pop quizzes will focus on material that has recently been covered in class, assigned as reading from the textbook, or scheduled for laboratory activities on the day of the quiz.  To be prepared for pop-quizzes, be certain to review your notes after each class period, keep up to date on reading and practice problems, and read the introduction and procedure for all labs before coming to class.

            Throughout the semester, a few graded assignments will also be given in class.  On some occasions these assignments will need to be completed in class on the day that they are given, on other occasions they will be due the following class period.  These assignments may pertain to either lecture or laboratory materials.

 

Laboratory Policy:

            There are required laboratory exercises which will be performed throughout the semester.  Due to the physical make-up of our classroom/lab, it is hazardous to keep excess lab equipment set-up.  Therefore, you are required to be present when a laboratory period is scheduled.  Students not attending lab may not turn in the lab report.  Lab reports are due one week following completion of the lab, with a 10% deduction per week for late lab reports.  If you must be absent for a lab, you will be able to make up credit for one lab report during the week of classes prior to final exams.  This is the only form of make-up credit available.  Out of the 130 lab points, 120 points are allocated to successful completion of reports and 10 points are allocated to appropriate lab etiquette – sharing data as required, following safety guidelines, care for lab equipment, working safely, cleaning up, etc. Most labs will extend over two or more days.

 

Quiz Policy:

            Quizzes are structured as group quizzes.  Your instructor will assign you to a group containing 2-4 members.  During a quiz, an initial period of time will be spent discussing the questions as a group.  No writing or calculating can be done during this group time, but the members should discuss together the approach which is required to answer the questions.  This will be followed by individual quiz time, when each individual will work independently to complete his/her quiz.

None of the quiz scores will be dropped.  It is expected that you will take these quizzes at the times scheduled; however, if you must miss a quiz for reasons of illness or personal emergency, you must call or e-mail the instructor before the quiz.  Under no circumstances will a makeup quiz be given simply because the student does not “feel ready.”  If you do not contact the instructor before the quiz period, a score of zero will be recorded.  Makeup quizzes must be taken within one week of the scheduled date or a score of zero will be recorded for the missed quiz. 

 


Exam Policy:

            You must take four unit exams and the final exam on the dates indicated.  None of these scores will be dropped.  It is expected that you will take these exams at the times scheduled; however, if you must miss an exam for reasons of illness or personal emergency, it is expected that you will call or e-mail the instructor before the exam.  If you do not contact the instructor before the exam period, a score of zero will be recorded.  No make-up exams will be allowed.  If you receive approval to be absent for an exam, your final exam percentage will be used to calculate a make-up score (percentage multiplied by 60 points).  You are strongly encouraged to do what is necessary to be present for all exams in order to avoid this situation. 

 

Bonus points:

            Quizzes: If all group members receive at least a 90% on a given quiz, the group members will be awarded 2 bonus points.  Any group member who is absent on the day of the quiz forfeits his/her right to bonus points for that quiz.

            Exams:  Each exam will contain some extra questions for which bonus points will be available.  Bonus points will be awarded for correct answers to these questions and will be added into your total exam points. 

These are the only forms of extra credit available for this course.

 

A note on honesty:

            Science is a field which often relies on collaboration.  During both the laboratory and lecture portion of the class, we will often share ideas and data with each other in order to help clarify what is happening and to more fully describe an idea or concept.  You are free to discuss your laboratory reports with each other, but the work that is submitted must be your own.  On exams, you must rely solely on your own knowledge.  All written work must be in your own words – do not copy from a book, another individual, or any other source.  A first offense of cheating on a laboratory report or exam will result in a score of zero recorded for the project involved (exam, lab report, etc.).  Any further incidents of cheating will result in a failing grade for the course.

 

Examples (for first offenses): 

  • If two individuals turn in lab reports with the same written response(s), both students will receive a score of zero on the report.
  • If I find a student using unauthorized aid on a quiz or exam, a score of zero will be recorded for that quiz or exam.

 


Course Information and Suggested Problems

 

Major Topics

Zumdahl (7th Edition) Chapters

Chemical energy; First law of thermodynamics; Enthalpy; Calorimetry; Writing thermochemical equations; Hess’s law; Enthalpy of formation; Sources of energy; Bond energies

6

 

8.8

Suggested Problems (End of Chapter 6):

Odd numbered problems only: 1, 21, 23, 31-35, 41-45, 49-65, 69-75, 79, 85

Even numbered problems only: 8

 

Suggested Problems (End of Chapter 8):

Odd numbered problems only: 53, 57-65

 

 

Second law of thermodynamics; Entropy; Spontaneous vs. non-spontaneous processes; Free energy changes and calculations

16.1-16.6

Suggested Problems (End of Chapter 16):

Odd numbered problems only: 7, 23-37, 45-55

 

 

Chemical kinetics and reaction rates; Rate law expressions; Integrated rate equation and half-life; Collision theory; Reaction mechanisms; Arrhenius equation; Catalysts

12

Suggested Problems (End of Chapter 12):

Odd numbered problems only: 9-45, 49-55, 59-61, 65-67, 75, 79

Even numbered problems only: 10

 

 

Equilibrium reactions, Equilibrium constant & calculations; Reaction quotients; Le Chatelier’s Principle/changes to an equilibrium; Heterogeneous equilibria; Relationships between free energy, pressure, and equilibrium constant (K) /reaction quotient (Q)

13

 

16.7-16.8

Suggested Problems (End of Chapter 13):

Odd numbered problems only: 13, 17, 19bd, 21-47, 51-63, 71

Even numbered problems only: 16

 

Suggested Problems (End of Chapter 16):

Odd numbered problems only: 57-65

 

 


 

Acid & Base – Arrhenius, Bronsted-Lowry, and Lewis definitions; Conjugate acids and bases; Calculations involving Kw; pH and pOH calculations; Indicators; Ionization constants (Ka and Kb); Acid-base equilibria calculations; Polyprotic acids; Hydrolysis; Calculations of pH of salt solutions

 

Acid rain;    Normality and equivalent weights;

Stoichiometry of acid-base reactions; Titrations;

 

14

 

 

5.9 & 11.1

4.8

Suggested Problems (End of Chapter 14):

Odd numbered problems only: 7, 13-21, 25-33, 37, 41-47, 51-59, 63-67, 71, 73, 77-111, 119, 125

Even numbered problems only: 2, 14

 

Suggested Problems (End of Chapter 5):

Even and odd problems: 93-94

 

Suggested Problems (End of Chapter 4):

Odd numbered problems only: 55-65

 

 

Buffers; Calculation of pH of a buffer – original pH and change in pH after adding acid or base; Selection of appropriate buffers; Titration curves (including weak acids and bases); Solubility equilibria and solubility product constants (Ksp); Common ion effect including calculations; Precipitation and fractional precipitation calculations; Simultaneous equilibria; Methods for dissolving a precipitate

15

Suggested Problems (End of Chapter 15):

Even numbered problems only: 2, 14, 22

Odd numbered problems only: 3, 7, 11-15, 19, 21-33, 37-47, 51-55, 61, 65, 69, 75-81, 85-91, 95-101, 107, 135

 

 

Balancing redox equations; Stoichiometry of redox titrations

4.9-4.10

Suggested Problems (End of chapter 4):

Odd numbered problems only: 69, 73-77, 85, 95

 

 

Electrochemistry; Electrochemical cells – voltaic and galvanic; Identifying anode and cathode; Oxidizing and reducing strength; Cell potential and calculation of standard cell potential; Nernst equation

17

Suggested Problems (End of chapter 17):

Odd numbered problems only: 3, 5, 13, 15, 25, 27, 31-37, 41-49, 55-57, 61, 65, 77-79, 83

 

 

Nuclear chemistry, Radioactive decay, Half-life, Uses of radioactivity

18

Suggested Problems (End of chapter 18):

Odd numbered problems only: 3, 5, 11, 21, 25-27, 51

Even numbered problems only: 2

 


General Inorganic Chemistry II

Chemistry 175

Des Moines Area Community College – Urban Campus

 

Study Guide

 

Reading the text

            The textbook provides a detailed description of material covered in this course.  As you daily read portions of the text, focus on the material covered in the reading objectives (distributed in class).  As you read, select the most important information (i.e., major concept).  After reading, summarize each major concept in your own words.

 

Pencil in hand

            Example problems are provided throughout the text as a means to test your understanding.  I suggest working these sample problems on your own as you read.  It will be crucial for you to complete the sample problems before moving forward.  Chemistry builds on itself - understanding one concept is essential to understanding the next interrelated topic.

            You may also want to note the subject matter that did not readily make sense to you.  Use the margins of the text to record your questions and bring these questions to the next class period.

 

Class time

            The direction for this course will be provided primarily during class time.  In order for you to make best use of this time, you will need to be alert and prepared for class.  Remain involved by asking questions during discussions in order to clarify concepts in your mind.  The pace of the course will be monitored such that you will have time to record brief notes.  You will sometimes need to write more that what is required to fill in the blanks in the handouts in order to fully understand the material.  Record notes in your own words as best you can.  Soon after class, re-read or re-write your notes, supplementing them with pertinent information.  This is also an excellent time to check your understanding and prepare for the upcoming class period.

 

Working Problems

            Throughout the semester, you will be assigned practice problem sets and asked to work problems in class, in laboratory experiments, on quizzes