1 Select a topic from our lesson and re-explain it to the class as if you were the
instructor. You can use multimedia, but the minimum word count is 200 words
GAS PRESSURE AND ITS MEASURMENTS
a. Define pressure an its units
b. Convert units of pressure
2. 75-150 words ONLY Acid rain in NEW YORK is becoming more and more prevalent on our planet. It
is related to global climate change & is an effect of our use of fossil fuels. As
you investigate, please be sure to collect the information below for discussion.
1. Identify your chosen area (NEW YORK)and include an image that shows
an example of the effects of acid rain in your chosen area.
2. Explain the picture, what and where it is, what the damage is, if anything is
being done about the damage, etc.
3. Discuss the average pH of the rainfall and the nearest body of water in
NEW YORK.
4. What is it now and how has it changed over the past few decades?
5. Is there a noticeable trend?
6. Are things getting better or worse?
7. How does it compare to other places on the globe, or even in your region is it more or less acidic than those places? Explain why either way.
8. What is a balanced equation that shows where the acidic compounds
come from that cause acid rain?
9. Discuss any measures, either legally or otherwise, being taken currently to
decrease the effects of acid rain your chosen area. Is there anything that
can be done? Are there any small steps you as an individual could take,
even if only small ones, to help contribute to the decrease of the formation
of acid rain in your area? How specifically would these steps contribute? 3. Charles' Law Lab All labs will have pre-lab comments found within ANGEL. You will learn of any
changes in the lab in the pre-lab comments. These changes take precedence
over what is found in the lab. For you to get an idea of real lab techniques, you will find some video links to
laboratory videos.
All lab reports must be in MS-WORD. You must include the "observation sheet"
as a table within your lab report for this first lab.
As in any beginning laboratory in an introduction course, you begin by learning
some of the basics. Here, you will learn about selecting instruments, chemicals,
pouring and decanting. FYI: “Decanting” means pouring off a liquid without
disturbing the sediment or lower liquid layers. If you Google the word, you will
find that decanting is important in separating the sediments from an old bottle of
wine. The following website will show you to some interesting laboratory techniques.
http://www.wonderhowto.com/how-to-distill-volatile-product-chemistry-lab259801/view/
Charles' Law Lab
Open ChemLab and select “Charles’ Law” when prompted.
Read through the Introduction in BOTH the course and in ChemLab. Some
labs include some modification from the ChemLab instructions and if so, these
modifications will be listed in our course with each lab. Watch the short intro video for this lab:
https://content.grantham.edu/at/CH205/labs/CharlesLaw.mp4
https://content.grantham.edu/at/CH205/labs/GraphingInExcel.m
p4 Follow the Procedure as outlined in ChemLab.
1. Perform the lab, collecting the indicated data as noted in the
observations section (create your own data table within your lab 2. report collecting the specific data from this list).
Perform the various calculations with your collected data as listed in
the lab’s observations section and your graph of collected data
(Volume vs. Temperature) should be done in MS Excel as a x-y
scatter plot and include the equation of the line via a
“trendline”. Do one graph with the volume units of mL
(milliliters) and the temperature units of K (Kelvin) and a second graph with the volume unit of liter (L) and the
temperature units of K (Kelvin) .
3. Watch the video tutorial on how to create these types of
graphs in excel: http://screencast-omatic.com/watch/cIh1cTVTP1 4. Write a lab report of the lab within MS Word. (There is a
“Sample Lab Report” and “Lab Report Instructions” files
in week 1’s course folder). 5. Submit your lab report by the milestone due date.

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