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Chemistry 123 - General Chemistry III - Spring 2013

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Chemistry 123 - General Chemistry III Fall 2012 (8:30-9:45 T R) Instructor: Dr. Jeffrey A. Hurlbut Office: CB 388 Office Hours: T W R F 11-12 – PowerPoint PPT presentation

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Title: Chemistry 123 - General Chemistry III - Spring 2013


1
Chemistry 123 - General Chemistry IIIFall 2012
(830-945 T R)
  • Instructor Dr. Jeffrey A. Hurlbut
  • Office CB 388
  • Office Hours T W R F 11-12
  • 123 Lecture T R 830-945 in SL 140
  • Office Telephone Number (360) 650-2242 (I will
    not be able to return most out of area calls due
    to expense).
  • Final Exam Monday, December 10, 800-1000 am

2
Introductory Material
  • Textbook General Chemistry 9th Edition D. D.
    Ebbing and S. D. Gammon Houghton Mifflin Company
    (2009).
  • Internet Access You need to access several
    course related materials online graded
    homework, lab procedures, lab safety quiz,
    lecture notes, my web site, Blackboard, and
    email. Do all well before the deadlines excuses
    for missing a deadline will not be considered.
    If you have computer or internet problems, then
    you need to use one at WWU such as in CB 384.
  • Paid Sapling Accounts You need to create and
    pay for a homework account at www.saplinglearning.
    com. Before the end of this first week, you need
    to set up your accounts at Sapling use your
    official WWU name and the CRN for your lab
    section. See Blackboard for details. Start on
    the assignments for chapter 15.
  • Miscellaneous Requirements Text Internet
    access C- grades or better for 121 122
    Lecture Lab Attendance Lab Goggles (360o eye
    protection) Pass the Lab Safety Quiz before 12
    noon on Thursday, 10/4/2012 and
    Arm-Leg-Foot-Eye Coverage in Lab.

3
Course Material Locations Lecture Notes, Safety
Quiz, Labs, and Assignments
  • Blackboard http//courses.wwu.edu
  • Lecture Notes (all lower
    case) www.chem.wwu.edu/hurlbut/
  • Online HW www.saplinglearning.com
  • Labs, Safety Quiz www.saplinglearning.com
  • Lab Safety Quiz (also at) cobalt.chem.wwu.edu
    /SafetyQ/GCqlink.htm
  • Missed Lab Policy www.saplinglearning.com
  • If Blackboard is down, then you can still obtain
    the material two other ways 1) my web site, 2)
    typing the address in your browser.

4
Lecture Material
  • Chapter 15 Acids Bases - Online
    Practice Math Chemistry Reviews HW 15
  • Chapter 16 Acid-Base Equilibria - Online HW
    16a 16b
  • - Quiz 1 Exam 1 Ch 15 16 and Labs Intro
    Acid Labs
  • Chapter 17 Solubility Equilibria - Online
    HW 17
  • Chapter 18 Thermodynamics Equilibria -
    Online HW 18 - Quiz 2 Exam 2 Ch 17 18 and
    Labs
  • Chapter 19 Electrochemistry - Online HW 19
  • Final Exam 800-1000 am Monday, 12/10
    Covers all material

5
Homework
  • There are two types of assigned homework
  • 1. End-of-Chapter Homework The second page of
    each lecture note series contains a list of
    suggested text homework problems. Do these by
    the time I finish the lecture over that section.
    I will devote lecture time to answering questions
    over these. These will not be graded or turned
    in, but they are important may appear on the
    exams.
  • 2. Online Homework Paid Sapling Accounts You
    need to create and pay for a homework account at
    www.saplinglearning.com. Before the end of the
    first week, you need to set up your account at
    Sapling use your official WWU name and the CRN
    for your lab section. See Blackboard for
    details. Start on the assignments for chapter
    15.
  • After setting up your account at
    www.saplinglearning.com you have access to the
    graded HW problems labs. You have three tries
    per question (loose 20 per miss). Each
    assignment has a firm due date, and no exceptions
    will be allowed to this date. If you have
    computer problems, then use a WWU computer lab
    such as in CB 384. Start and complete each
    assignment well before the due date time.
    There are built in helps. You have access to a
    Sapling chemist if you have questions
    www.saplinglearning.com

6
Grading
  • Exam 1 - 19 Ch 15 16 and Lab Material
    1 week after Ch 16.
  • Exam 2 - 19 Ch 17 18 and Lab Material
  • 1 week after Ch 18.
  • Final Exam - 28 Cumulative over all chapers
    all labs. 800-1000 Monday 12/10.
  • Lab - 17 See the slide on the lab.
  • Two Quizzes - 4 Given one lecture before
    exams.
  • Online HW - 13 Deadlines are Firm.

7
Laboratory Safety Quiz
  • - A TUTORIAL, information, and the quiz are
    available on the Web at cobalt.chem.wwu.edu/Safet
    yQ/GCqlink.htm or at www.saplinglearning.com.
  • - The login is your student ID without the W
    and without the dash post-dash . Password
    last two ID digits first two letters of last
    name. ie Password 04Li W00192204-11 for
    Jon Link (you will also need this login in
    the lab).
  • - You have 30 minutes to complete the lab quiz
    time starts when you first enter the quiz. If
    you do not pass, then you can take it again
    however, the passing grade is higher for the
    other tries. 1st try until 5pm 9/28 (80) 2nd
    try 5pm 9/28 to 5pm 10/2 (84) 3rd try 5pm 10/2
    to 12 noon Thursday, 10/4 (88).
  • - You must pass this lab safety exam before the
    deadline (12 noon, Thursday, 10/4/2012) in order
    to remain in the class. Complete early.

8
Laboratory
  • Lab Safety Pass Lab Safety Quiz. Mandatory
    see the previous slide.
  • Requirements are goggles always on permanent
    lab notebood no short pants, short skirts, or
    open shoes no food or drinks in the lab all
    beakers/flasks must be labeled clean entire work
    area before leaving.
  • General Information The experiments were
    selected to emphasize a variety of analytical
    concepts and techniques. Much of the work will
    be done independently. You will be graded over
    your calculations, accuracy, precision,
    significant figures, organization notebook.
    Information is at www.saplinglearning.com.
    Download, carefully read, all introductory lab
    material before the first lab. Bring your
    notebook to all labs and record information
    directly into notebook - do not use scratch paper
    for recording lab data.
  • Lab Notebook Hard-bound (9.75 x 7.5
    recommended) - Name on outside
  • A brief procedure must be in your notebook by the
    beginning of each lab (including the 1st lab).
    Detailed instructions concerning the lab notebook
    are in the introductory lab material - you must
    read this material before the first lab.
    Notebook will be graded.

9
Laboratory
  • Lab Notebook Your notebook should contain
    (check with your instructor)
  • 1. Pre-lab. Before the lab complete any
    pre-lab write-up place in your notebook this
    includes a) title, b) any prelab calculations
    c) short purpose, d) an outline of the
    procedures, and e) room for addition of graded
    Summary Sheet.
  • 2. Data Observations. During the lab, you will
    record observations, dates, data, and
    calculations in your notebook in ink. Be sure to
    carefully read the introductory material for
    comments on SF, units, dates, examples, etc. Do
    not erase errors - cross them out with a single
    line, and do not place data on temporary paper.
    Your data is always to be labeled and entered
    directly into your lab book.
  • 3. Data Results Summary Sheet. Obtain fill in
    Data Results Summary Sheet for each experiment.
    All Summary Sheets are due by noon two days
    after the lab period (M for R labs). Attach the
    returned summary sheet in your notebook.
  • Lab Grading Each Data Results Summary Sheet
    will be graded. The grade will include
    calculations, accuracy, precision, completeness,
    grammar, significant figures (SF), etc. The lab
    notebook will also be graded.

10
Laboratory - Lab Schedule
  • Date Experiment
  • 9/24-9/28 Lab safety Quiz Excel Exercise pt 1
    (5 pts) no lab meeting
  • 10/1-10/3 Buret, Volumetric Pipet , pH
    Exercises
  • Buret Pipet - Individual, pH - Partner
    15 pts
  • 10/8-10/10 Determination of a Weak Acid, Part 1
    Volumetric Analysis
  • 10/15-10/17 Part 2 All Individual 20 pts
  • 10/22-10/24 The Chemistry of White Wine 15
    pts
  • 10/29-10/31 Titration Curves the Ka of Acetic
    Acid Partner 15 pts
  • 11/5-11/7 Analysis of a Nickel Complex Part 1
  • 11/13-14(11/19M) Part 2 20 pts. (NOTE Done
    on 11/19 for the Monday section)
  • 11/26- 11/28 Excel Exercise, pt 2 Vapor
    Pressure Lab 15 pts

11
Desired Chemistry 123 Goals
  • Be able to qualitatively and quantitatively
    describe and explain the chemical behavior of
    acids and bases in aqueous solutions.
  • Be able to predict the effects of temperature,
    pressure, concentration and energy flow on the
    dynamic behavior of chemical and physical
    systems.
  • Quantitatively qualitatively explain
    equilibrium concepts in chemical systems (acids,
    bases, slightly soluble ionic compounds, and
    complex ions).
  • Be able to describe, explain and calculate the
    thermodynamic quantities of enthalpy, entropy,
    and free energy.
  • Describe and characterize oxidation-reduction
    electrochemical reactions.
  • Understand and use the relationships between cell
    potential, free energy and the equilibrium
    constant.
  • To understand and develop good analytical
    techniques.

12
Some Lecture Deadlines for Sapling Assignments
(1150 pm)
  • Exercise Due Date
  • Practice 10/2
  • Math Review 10/2
  • Chemistry Review 10/5
  • Safety Quiz 10/4 12 Noon
  • HW 15 10/9
  • HW 16a
  • HW 16b
  • HW 17
  • HW 18
  • HW 19 12/6
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