The Final Exam for Natural Environmental
Systems will be held on Wednesday May 12th at 2:15-4:15 pm. The
exam will be held in our usual lecture room, 3505 SC. It will be
closed book with only calculators and writing materials allowed.
TA Emily Linebaugh is available
appointment this week. Contact her by email or on her cell phone
(319 530 2221). She will not be holding regular office hours.
The final exam is OPTIONAL.
in the course will be calculated as described in the syllabus.
Course score = 0.3 (average homework score/10) + 0.60 (average exam
score/100) + 0.10 (Pollutant of the Day Score/10). If you do not
take the final exam, your average exam score will be determined from
exams 1 through 4. If you take the final exam, your average exam
score will be determined from exams 1 though 5, where exam 5 is the
final. The final will not be weighted at a higher level than the
other exams although it will be a two hour exam.
Homework 9 may be picked up in my
Tuesday the 4th. If I am not in, check with Judy in the CEE
Exam 4 is Wednesday the 5th of
material to help you study has been posted on the lecture page (full
page nomagraphs) and on the Homework page. Solutions to HW9 will
be posted soon.
The exam (3) has been moved to
16th of April due to my absence on Monday. Use the time well!
In HW8, problem 9 is referring to
not problem 1 and problem 5 is referring to problem 4. The
equation in problem 4 is supposed to be
4.5O2 -> 5CO2 + 3 H2O +NH3
but the only important part if the moles of oxygen required per mole of
Glutamic Acid and
that has always been correct, despite the errors on the right hand side.
In Problem 9 you may need to assume the system is
oversaturated. Make sure you understand what that would do to the
role of aeration. If the river is oversaturated what is the sign
on the initial rate of aeration? Also, the equation for HW 8 has
been revised to make some problems
Problem 3 of HW7 has been moved
HW 7 is posted. The next
exam date is
also posted on the lecture schedule (Weds April 14th)
HW 4 solutions have been posted.
can be picked up in my office (KH) today or tomorrow (Tuesday).
times to catch me today (Monday the 8th) are before 11:30 and after
HW5 has been posted. It is due Friday,
HW4 has been posted. It is due Friday,
I have changed my office hours to 2:30-3:30
This appears to fit your schedules better. However, as I
in class, you are welcome to stop by anytime. If I am not on
appointment I will see you. Otherwise I will make an appointment.
HW3 has been posted and is due next
An example list of equations and tables that
be available during the exam has been posted on the Homework page.
Emily will hold an additional office hour on
night Feb 15th, from 7-8 pm, room 3258 SC.
The Chapman Mechanism includes an equation
describes the destruction of ozone: 4) O + O3 = 2O2. In my
notes, I listed this reaction as O3 + O3. A correction has been
I have posted a corrected version of the Ozone case study
Thank you for catching that! Also, I have posted a more
discussion of the reaction on the HW2 solution set.
If you need ideas for a pollutant of the day,
the list of priority pollutants in your textbook, page 17 of your
There will be no class on Feb 9th (Monday) or
13th (Friday). Use the time to meet with the TA (Emily) and study
the first exam, which is Monday Feb 16th. I will be out of town
will not have office hours on Feb 9, 10, 12, or 13th.
Homework 2 has been posted and is due Weds
Homework must be neatly prepared on
paper. Write your name, the course number, the page number (page
of 5, for example), and the title (HW1, for example) at the top of each
Sections for each homework problem should be clearly labeled and
Title (Problem 1, for example); Problem statement; Theory (chemical
for example); Assumptions; Solution. Please circle or otherwise
your final answers. Format is worth about 10% of the total
office hours have been changed to 2:00-3:00 pm W/F or by appointment.
Location of Regular Office Hours: 1131 SC
The due dates for your Pollutant of the Day
have been posted on the WebCT site. Students who did not sign up
been assigned dates (I will remove some after I receive the final class
The Pollutant of the Day can be any pollutant, including an
a molecule, or a non-chemical pollutant like heat or noise.
sign up to reserve your pollutant by emailing me your request. I
then post it. No pollutants can be used by more than one person.
me if you have any questions.
Homework 1 due date has been moved to Monday
2 instead of Friday Jan 30th
Welcome to 53:050. This course is
by this web site, run under WebCT. You need to log onto WebCT as
as possible and make sure you have full access to the lab web
Within the password protected area, I will post all the homework
an updated course schedule, and your grades.
You should be able to log into WebCT using your HawkID as assigned
directory services [Customer Information Desk (384-0800), WebISIS
or ITS Help Desk (384-4357)]. Your initial password will be your
identification number (without the hyphens). You have the option of
your password after you login to the course. Although only the
desks can solve password problems, please ask me (Professor Hornbuckle)
help if you have other problems. I would also appreciate an email
you find a broken link, typo, or error in the web site.
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