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portion of the form can be left blank. Of course, if the e-mail section of the form is blank, the answer must be sent to the list and not just to the sender.

Because many questions may contain mathematical formulas, we need a notation to communicate the special symbols used in the course. To avoid confusion, it is most useful if we agree on the same set of symbols. The symbols that follow are taken

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to communicate mathematical symbols via e-mail. The instructors plan to use these symbols in answering your questions, and it is asked that you use the same symbols in posing questions. The most important symbols are the following:

• (a)

Greek letters are represented by \ followed by the name of the letter. For example is typed \alpha, β is typed \beta, and so on. A Greek letter is made upper case by making the first letter of its name upper case. For example, the letter is typed \Delta.

• (b)

Subscripts are represented by {} where the brackets contain the subscripts. For example, µ j is typed \mu {ij}.

ˆ (c) Superscripts are represented by {} where the brackets contain the superscripts.

^ For example, β 2 is typed \beta{12}.

• (d)

Infinity (), is typed \infty.

• (e)

Square roots a + b are typed \sqrt{a b}.

(f) The arrow in chemical reactions is typed --->. For example C+O2 CO2 is

typed C

• O

{2} ---> CO {2}.

Remember, your first task is to subscribe to the CHM 192 list by filling out the form on our web pages. You can then send questions and comments to the instructors using your web browser starting at the URL http://www.chm.uri.edu/courses/?chm192&1

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