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UT CH 301 - LECTURE NOTES

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Fall 2009 CH 301 Final Random Musings 1. Sadly, the semester has come to an end. Today in class I will have a giant last musings and hope to give a big picture review of thermo that I hope will tie a lot of things together. Also, I will set off a triple thunderstorm. 2. Quiz 6 results. The average of 89% was pretty spectacular even if I did give you the answer to one of the questions—maybe there is hope for the thermo exam. 3. Evaluations. It is your responsibility as a student to complete course instructor evaluations for every course you take. You should have received an electronic invitation to complete this survey, but if you haven’t, you can do so by going to the following web link: https://utdirect.utexas.edu/diia/ecis/ and opening up the survey for CH301. You have until December 4th (this Friday) to complete the survey. Thanks for remembering to do this. Things you need to know about Exam 3. 4. In addition to the ChemPortal practice exam, the TAs have provided a practice exam 3 that I have posted on the web last night under the Answers link. 5. Last night I gave a review on the 40 question types on Exam 3 and the hand written notes from that session are posted on line at the beginning of the section on Lectures. I believe the video from the review is also posted. 6. Standard help sessions and academic communities will be held throughout the week. My help sessions are in the classrooms through Wednesday and back in my office Thursday. 7. Travis’ review session: Travis, despite being ill, will hold his review session tonight, from 9 pm till 10 pm in ART 1.102. 8. Exam 3 will be given on Wednesday evening at from 7:00 till 9:15 pm (yes, I added an extra 15 minutes). The exam will consist of 40 equally weighted questions worth a total of 200 points. The questions are taken from material in Chapters 6 and 7 in the text and resemble in format and content the kinds of questions you saw on quizzes 5 and 6. 9. The 40 exam 3 question types were posted on the random musings link before Thanksgiving. The one exception is that I have added a question about the thermodynamics of turning diamond into graphite. For specifics about what is on the exam, question type by question type, refer to my Monday evening review notes. 10. I am forgoing a posting of the normal format and procedures for exam 3 and will remind you that everything is pretty much as it was EXCEPT for a change examination rooms. Last name A-M in JES A121A and last name N-Z in WCHogg 1.120 11. Let me know if you have need for alternate testing I need to be informed in advance. Also remember that I take a zero tolerance view of students who continue to work after the exam ends. Finally, if you miss this exam for any reason other than a university-excused absence, I will simply substitute the percentage score from the final exam.12. There will be a make-up exam on Sunday evening in this room from 7 pm till 9:15 pm. I will not police who will take this exam, but I would like an approximation of the number of students intending to take the make-up so we can save paper. 13. Some advice as you study for exam 3: Please make sure you can talk the language of thermodynamics in preparing for the test. Can you effortlessly talk about what happens to the state functions during a phase change (heck, do you even know what a state function is?) Can you effortlessly talk about internal energy or spontaneity for common reactions that we have studied? Do you have a sense of the magnitude of the various thermodynamic values we have calculated? Can you distinguish the theories that explain internal energy and entropy in the bulk from statistical thermodynamics which explains things one molecule at a time? In many ways, because the calculations are fairly simple and repetitive, what makes the exam a challenge is an inability to identify the kind of question you are working. I can’t force you to do this, but time spent just assigning questions to question types, without actually working the problems, helps you develop an essential skill for test taking, that turns otherwise hard questions into easy ones. Things You Need to Know About the Final Exam 14. Final Exam. The final exam is scheduled for Saturday, December 12, from 7 p.m. until 10 p.m. The exam will consist of 60 equally weighted multiple-choice questions taken from Chapters 1 through 7. The time limit for the exam is three hours but you should not be as rushed as on regular exams. As I have mentioned before, there can be no make-up or time changes allowed. However I will allow incompletes in cases where a non-academic issue arises. Please let me know about such issues on the orange sheet you turn in. 15. The final exam locations are in Welch Hall. Please go to the following rooms based on your last name: Last name A-M in Welch 2.224 and last name N-Z in Welch 3.502 16. The following distribution of questions will be used for the final: The question types for the final exam are posted in the musings at http://laude.cm.utexas.edu/courses/ch301/musings/rm110509.pdf 17. Review sessions for the final: There can be no regular help sessions during final exam week--those classrooms are now used for final exams. However I enjoy your companionship so much that I will offer review sessions for three days before the final and then hold an office hour to answer questions the last two days. • Monday 12/7 Welch 2.224 noon to 1 pm--Quantum Mechanics and Bonding (questions 1 – 20) • Tuesday 12/8 Welch 2.224 noon to 1 pm--Bonding and Gases, Liquids and Solids (questions 21 – 40) • Wednesday 12/9 Welch 2.224 noon to 1 pm--Thermodynamics (questions 41-60) • Friday 12/11 Welch 2.224 noon to 1 pm--General office hour, all questions welcome chapter 1 2 3 4 5 6 7 questions 12 8 10 4 6 11 918. Extra Credits. I expect all of you to turn in the extra credit—it makes a huge difference in your grade, especially with +/- grading—very simply, they lower your cutoffs for grades by 2% at ever grade level. Get these in. Extra Credit 1—Converting a science hater I want you to teach a science-hater something interesting about chemistry that you have learned in this class. The person you teach has to say to you, “gee, I had no idea chemistry was that interesting” when you have finished (you can make them say it even if they don’t mean it.).


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UT CH 301 - LECTURE NOTES

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