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Chemistry 223: General Chemistry, Spring 2015
Instructors: Ron Backus
Marci Moling
Office: MH-212
MH-210
Email: backusr@linnbenton.edu
molingm@linbenton.edu
Office Hours: Ron Backus: MW 8:30-9:20 am & F 9:00-9:50 am
Marci Moling: TR 11:00 am-1:00 pm
Science Help Desk: The Science Help Desk is located on the first floor of Madrone Hall in the
atrium area. The Help Desk is manned approximately 20 hours per week. Hours of the Help
Desk are posted throughout Madrone Hall and in the Help Desk area.
Lecture:
R. Backus MW 9:30-10:50 am and F 10:00-10:50 am in MH-208
M. Moling MW 11:00 am-12:20 pm and F 11:00-11:50 am in MH-208
Laboratory:
Bryan Nell; nellb@linnbenton.edu Tuesday 8:00 am, 11:00 am, or 2:00 pm, MH-214
Brian Reed; reedb@linnbenton.edu Thursday 8:00 am, MH-214
Minimum Requirements:
College Algebra (MTH 111) and CH 222 with a C or better
Required Materials: -Chemistry: The Molecular Nature of Matter and Change,
7th Ed., Silberberg
-Access Code for Sapling
-Chemistry 223 Laboratory Manual, Bridgid Backus
-Carbonless Lab Notebook
-Non-graphing/non-programmable Scientific Calculator
Optional Materials: -Lab coat
-Personal Safety Goggles
Calculator Policy: Students will be required to use a non-graphing/non-programmable
scientific calculator for quizzes and/or exams. Department approved calculators are: TI 30xa, TI
30X IIs, Casio fx-260, or HP 10s. If a student does not wish to purchase one of these calculators
the department will provide either a Casio fx-260 or TI 30xa for use on exams and/or quizzes.
Attendance and Classroom Decorum: Class attendance is very important to the learning of
chemistry. Students are expected to attend class regularly and on time. Entering the classroom
late or leaving before the class ends is distracting to students and your instructor. There is NO
cell phone use in the classroom allowed. The use of a laptop computer during lecture class is
approved for CH 223 lecture material only.
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Homework Problem Sets: To succeed in chemistry, like learning a foreign language, you
should study and practice every day. As material is covered you will find the problems are
easier to work and not as time consuming as if they are attempted just before the due date.
Keep in mind a typical science course takes 3-4 hrs of work per week outside of class for
every credit hour. Refer to the schedule for homework due dates and times. ***No late
homework will be accepted. Solutions to the homework sets will be available after the due
date.
Warm-ups: Lecture sessions (excluding exam days) will begin with a short warm-up (practice
problem) at the beginning of the period. The warm-ups for a chapter will be collected the day
of the chapter exam. If you fail to turn in the warm-ups the day they are due, then you will
not receive credit for the warm-ups. The warm-ups will be worth a total of 40 points. No late
or make-up warm-ups will be given.
Exams: All exams are given in class. Students who have conflicts with exam days due to other
College functions, illness, or family emergencies must contact the instructor prior to the exam.
Documentation of the College function, illness and/or family emergency must be provided to
schedule a make-up exam.
Laboratory Reports: Lab reports are due at the beginning of YOUR next lab session after the
completion of the experiment. Late lab reports receive a 10% per day mark down. One lowest
lab report score is dropped and extra credit is given if all lab reports are turned in (see extra
credit). No make-up labs will be given. Also, if you miss more than three labs or turn in
fewer than five reports you will not receive a passing grade for the course. This is a lab
class and in order to pass the course you must be passing the laboratory component.
Prelab Questions: Be sure to check the syllabus for which lab is assigned for a
particular week. Most lab experiments described in the manual have prelab questions. Many
of these questions are designed to emulate the laboratory experiment that is about to be
performed. By answering these questions BEFORE the lab period students are able to
understand and perform the experiment more effectively. Prelab questions should be done on
separate sheets of paper and are due within the first 5 minutes of the lab period. The prelab
assignments are worth from one to five points of the lab report grade. No late prelabs are
accepted.
Extra Credit: If you turn in ALL of your lab reports, rather than subtracting your lowest lab
score, these points will remain in your score as extra credit.
Grading:
6 Exams
Final Exam
Warm-ups
7 Sapling Homework Sets
7 Lab Reports
6 x 50 pts = 300 pts
150 pts
40 pts
7 x 10 pts = 70 pts
7 x 20 pts = 140 pts
Total
700 pts
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Course Grade:
90-100%
80-89%
65-79%
55-64%
0-54%
A
B
C
D
F
An incomplete grade (I) may be given at the
discretion of the instructor. However, a
student must have a passing grade at the
time an incomplete is assigned.
Drop/Withdraw Policy: If you are withdrawing from the class you must file a Schedule
Change Form with Registration or use WebRunner. If you formally drop the class by Monday
of the second week of the term, you will receive a tuition refund. If you withdraw after the
Monday of the second week of instruction through the seventh week a ‘W’ will show up on your
transcript. No withdrawals are allowed after the end of the seventh week. An instructor may not
assign a “W” grade.
If you received financial aid or veteran’s benefits PLEASE talk with associates at the appropriate
office to determine what effects on eligibility dropping a course will have. Don’t jeopardize
your eligibility!! You can contact the Financial Aid Office by calling (541) 917-4850 or by
visiting the Financial Aid Office in Takena Hall.
If you stop attending the course without formally withdrawing you will continue to accumulate
grades (zeroes for all assignments not turned in) and will receive the grade assigned by the
instructor. You will also be held accountable for all charges on your account.
Academic Integrity: “An instructor has the right to issue a grade of F for the course in which
the instructor has reason to believe the student has cheated. A student has the right to appeal such
action in accordance with the Students’ Rights, Responsibilities and Conduct Policy.” The
preceding statement is Adminstrative Rule No. 7030-01.
LBCC Comprehensive Statement of Nondiscrimination: LBCC is committed to providing
equal opportunity in all of its programs, policies, procedures, and practices, and the college shall
promote equal opportunity and treatment through application of this policy and other college
efforts designed for that purpose. For further information see Administrative Rule No. 1015-01
at http://po.linnbenton.edu/BPsandARs/
Center for Accessibility Resources:
You should meet with your instructor during the first week of class if
 You have a documented disability and need accommodations,
 Your instructor needs to know medical information about you, or
 You need special arrangements in the event of an emergency.
If you believe you may need accommodation services, please contact the Center for Accessibility
Resources (541) 917-4789. If you have documented your disability, remember that you must
make your request for accommodations through the Center for Accessibility Resources Online
Services web page every term in order to receive accommodations.
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HOMEWORK REGISTRATION INSTRUCTIONS FOR SAPLING
1. Go to http://saplinglearning.com and click on your country at the top right.
2a. If you already have a Sapling Learning account, log in and skip to step 3.
2b. If you have a Facebook account, you can use it to quickly create a Sapling Learning account.
Click “Create an Account”, then “Create my account through Facebook”. You will be prompted
to log into Facebook if you aren't already. Choose a username and password, then click “Link
Account”. You can then skip to step 3.
2c. Otherwise, click "Create an Account". Supply the requested information and click "Create
My Account". Check your email (and spam filter) for a message from Sapling Learning and click
on the link provided in that email.
3. Find your course in the list (you may need to expand the subject and term categories) and click
the link.
4. If your course requires a key code, you will be prompted to enter it.
5. If your course requires payment, select a payment option and follow the remaining
instructions.
Once you have registered and enrolled, you can log in at any time to complete or review your
homework assignments. During sign up or throughout the term, if you have any technical
problems or grading issues, send an email to support@saplinglearning.com explaining the issue.
The Sapling Learning support team is almost always faster and better able to resolve issues
than your instructor.
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Lecture and Lab Schedule: **Note: This schedule of topics, homework due dates, and
exam dates is subject to change.
Week:
Wed.
Fri.
Laboratory
Homework
16.5-16.6
16.6-16.7
Safety and
Review (16.1-16.3)
Practice Problems
Ch 16 Sapling Due
Sat (4/4)
at 10:00 pm
17.3-17.4
Exam 1
(Ch 16)
Application of Le
Chatelier’s Principle to
Chemical Equilibria
17.5
17.6
Exam 2
(Ch 17)
18.1-18.4
18.4-18.5
Worksheet
Pg. 14
18.6
Polyprotic Acid
Titrations: Part A
Week 5
4/27-5/1
18.7, 19.1
19.1-19.2
Worksheet
Pg. 15
Exam 3
(Ch 18)
Polyprotic Acid
Titrations: Part B
Ch 18 Sapling Due
Tues (4/28)
at 10:00 pm
Week 6
5/4-5/8
19.3
Worksheet
Pg. 16
19.4
Worksheet
Pg. 16
20.1
Buffers
Ch 19 Sapling Due
Thurs (5/7)
at 10:00 pm
Week 1
3/30-4/3
Week 2
4/6-4/10
Week 3
4/13-4/17
Week 4
4/20-4/24
Mon.
Syllabus and
16.4
Worksheet
Pg. 10
17.1-17.2
Worksheets pages 11-13 Ch 17 Sapling Due
to be turned in by 5pm on
Thurs (4/16)
Tuesday, April 14th
at 10:00 pm
Determination of
Solubility Product
Constant (Ksp) for
Calcium Sulfate
Determination of
Enthalpy and Entropy
Change for a Chemical
Reaction
Week 7
5/11-5/15
20.2
20.3
Exam 4
(Ch 19)
Week 8
5/18-5/22
20.4
Handout
21.1-21.2
Worksheet
Pg. 18
Exam 5
(Ch 20)
Week 9
5/25-5/29
Holiday
No Class
21.3
21.4
Oxidation-Reduction
Reactions and
Electrochemical Cells
Ch 21 Sapling Due
Sat (5/30)
at 10:00 pm
Week 10
6/1-6/5
Exam 6
(Ch 21)
24.1
24.2
Electrochemistry
Ch 24 Sapling Due
Sat (6/6)
at 10:00 pm
Week 11
6/8-6/12
Final Exams
10-11:50 am
(R. Backus)
10-11:50 am
(M. Moling)
Ch 20 Sapling Due
Tues (5/19)
at 10:00 pm
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