• Laboratory this week was handed out in class on Monday, April 12, 1999. Bring both laboratory experiments AND your textbook to laboratory this week. We will begin with Experiment 13a: Survival Organic Chemistry. In this experiment you will work with models and will learn about Lewis structures, structural formulas and naming a class compounds called alkanes. The experiment this week is very open-ended. Some of you will progress further than others and that is OK. However, the TAs and I will decided how far students should have progressed by the end of last this week, students who do not attain that point will lose some credit. Next week (April 19th) we will synthesize aspirin. However, no student is to ingest the aspirin they prepare. The aspirin you prepare is mostly pure (no binders) and contains some disgusting impurities. During checkout (April 26th) we will return to Experiment 13a to progress further. By doing this we will have one more laboratory which means we will be able to drop one more. That should help everyone's grade.
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  • Average on Exam III is 57. Much better compared to Exam II. The high was a 99!!! New grades are up. What was the killer problem? Actually there were three...#3 on preparing solutions and the two solubility problems. SO it would be a good idea to sharpen your skills up in case something happened in class tomorrow!
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  • Problem Set 12 has been postponed to Wednesday, April 14, 1999. You do not have to answer PS12.8c and PS12.8d. Those two problems will be moved to PS14.
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  • Friday, April 9, 1999 is the last day to withdraw from classes with an automatic 'W'. After the 9th you must have a least 40% of the class for a 'W'. If you have any question about your position in the course and what you need to do please drop in and see me, or schedule an appointment.
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  • Congratulations go out to CHEM 1225 student Megan Robbins for her performance this weekend at the Texas Relays in Austin. She kicked some Texas b... by polevaulting 12 feet 3.5 inches. That's 12 FEET (3.66 meters). WOW! Way to go Megan!
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  • Check out the changes in this week's laboratory.

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  • Be sure to read the laboratory for this week BEFORE coming to laboratory. The TA's have expressed some concern about whether students are reading the laboratory before lab. Remember the TA can administer a pre-laboratory quiz to see if you know your stuff!

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    Announcements from previous days

  • For predicting the products of chemical reactions (remember this is one of my favorite types of questions) I recommend you review the following notes from CHEM 1215;

    Chapter 7 notes

    Summarizing chemical equations notes

    You may also find some useful information in Chapter 6 notes

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  • Some concern about the the availability of the answers to the PS has been expressed. I've checked the link and everything is working correctly from my computers. If you are having difficulty downloading the answers to the PS contact me. It should work...if it does not there is something the matter with the computer system you are using.

  • Still plenty of time to enjoy some 'fun', try the Take a Quiz link. I am not grading this so take it to see what you understand from the first two lectures. Make a note of the questions you answered correctly and incorrectly. Drop by my office if you have any questions. Let me know if you like this, we may do it again.

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  • If you had CHEM 1215 with me last semester and you would like your Exam IV and Final Exam, just drop by my office.

  • Remember CHEM 1225 is a 2nd semester chemistry course. It is assumed that you have had CHEM 1215 or equivalent. If you have questions about your chemistry background drop by my office and we can talk. BTW I have a meeting at 10:00 a.m. on Wednesday, January 13, and will not be able to hold my office hours at that time.

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  • The first two weeks of laboratory will spend time on a review problem set and Exercise 1, 2 and 3 in the CHEM 1225 Lab Manual. If you have Monday lab...DO NOT MISS IT!!

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  • This semester I've added a new link called 'What's Important'. In this section I will discuss the important concepts in a chapter and try to relate the concepts covered in the chapter. I'll also try to provide some 'reasons' why you might want to learn this material.

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    Announcements