Introduction Chem 110: Chemical Principles 1 Sections 40 - 52 Instructor: Dr. Squire J. Booker 302 Chemistry Building 814-865-8793 [email protected] ([email protected]) Lectures: Monday (M), Wednesday (W), Friday (F) 1:25 – 2:05 Recitations: Wednesday or Thursday (Depends on Section Assigned) Must Attend Assigned RecitationRequirements and Prerequisites Some High School Chemistry Algebra (including logarithms) A General Familiarity with Chapters 1–4 and Chapter 10 in Textbook If you have NEVER studied chemistry, this course is probably not for you. Come and talk to me! Must take Pre-Quiz to insure proper placementTeaching Assistants Section 40 Tamara Badger Section 41 Mark Merritt Section 42 Seth Michalski Section 43 Tamara Badger Section 44 Ian Sines Section 45 Mark Merritt Section 46 Tamara Badger Section 47 Seth Michalski Section 48 Mark Merritt Section 49 Ian Sines Section 50 Mark Merritt Section 51 Seth Michalski Section 52 Mark Merritt You are required to bring your text, student packet, calculator, and COMPLETED homework to recitation.Chem110 Student Packet 1. General Information about Course 2. Syllabus 3. General Information Sheet 4. Basic Skill Check Instructions 5. Supplemental Homework Problems 6. Supplemental Problems Answer Key 7. Equations Sheet 8. Periodic Table 9. Fall 2007 Practice Exams 10. Fall 2007 Practice Exams Answer Keys 11. Spring 2008 Practice Exams 12. Spring 2008 Practice Exams Answer KeysCourse Web Page http://courses.chem.psu.edu/chem110/Fall 1. General Information (almost everything you need to know about the class. 2. Abbreviated Lecture Notes (Not necessarily complete) 3. Announcements 4. Exam schedule Monday Evenings (6:30 – 7:45) Locations to be announced Exam 1 – September 22 Exam 2 – October 13 Exam 3 – November 10 Comprehensive Final during Final Exam WeekRecitations Recitations are mandatory Bring textbook, student packet, calculator and COMPLETED homework before recitation. This week: Read Chapter 1 Do Chapter 1 Problems: 17, 24a-d, 27, 50, 78 and Suppl. 1-5 Starting with second recitation: Quizzes given each week Homework collected One randomly selected problem per lecture will be collected in recitation and graded by your TA Details given in recitation.Quizzes Quiz points available 140 Maximum Quiz points possible 100 Homework points available 140 Maximum homework points possible 100 No make up for quizzes or homework! Basic Skills Course Points 10 Instructions in Packet Try them out: questions on WednesdayBasic Skills Basic Skills are basic concepts and the principles that underlie many of the calculations and problems assigned in Chem 110. • Math (algebra) • Metric system and metric conversions • Electron Configurations • Periodic Trends • Nomenclature of Ions, Molecular Compounds and Ionic Compounds • Lewis Structures • Concentration and Dilution • Aqueous Chemicals and Net Ionic Equations These computer based tests can be accessed through Angel (http://cms.psu.edu) Login using your access account and password. • Data base with thousands of questions • No two tests are alike • Tests can be taken many times: Practice Detailed instructions are in course packet and are posted on the Course Web pageGrading Exam I 34 points Exam II 34 points Exam III 34 points Final 56 points Quizzes 16 points Homework 16 points Basic Skills 10 points Total 200 points Typical Distribution of Grades Grade Percent Points A,A- 91-100 181-200 B+, B, B- 81-90 161-180 C+, C 69-80 138-160 D 57-68 115-137 F 0-56 0-114 Make-up exams ONLY for excused absencesAdvice for Success • Spend at least 10 hours per week outside of class • Read text before lecture • Bring lecture notes to class • Try problems in text • Work supplemental problems o Work together o Work alone All homework should be done before recitation. Get help in Chemistry Resource Center (211 Whitmore) if necessary See “How to Do Well in Chem 110” Select handouts posted on Chem 110 WebsiteGeneral Information • Chemistry Undergraduate Office (210 Whitmore) o registration o drop/add o incorrect exam grades • Chemistry Resource Center (CRC) (211 Whitmore) o Free tutoring o Hours: Monday-Friday (9:05 am–4:25 pm) • Information on Web (http://courses.chem.psu.edu/chem110/Fall) o Syllabus o Announcements o Exam locations o CRC hours (211 Whitmore) o Lecture NotesChemistry – The Central Science CHEMISTRYAgriculture &EnvironmentMaterialsLifeSciencesEngineeringPhysicsMathChemistry the Molecular Science Macroscale: What we can see (observe) Nanoscale: What transpires on the molecular level How does the behavior of atoms and molecules connect to the behavior of matter that we observe? Why Study Chemistry? • Learn the language of chemistry • Structure affects function (properties) • Connecting microscopic properties to macroscopic properties • How do we know what we know (Modern analytical techniques and instrumentation • Energy store in molecules? • Develop analytical problem solving skillsChemistry The study of matter and the changes it undergoesMatter • Atoms are the building blocks of matter • Each element is made of the same kind of atom • A compound is made of two or more different kinds of elementsStates of MatterSI Units Système International d’Unités a different base unit for each quantity Metric SystemDerived SI Units Volume (length)3 Density = mass/volumeUncertainty in Measurement The difference between Precision and AccuracyUncertainty in Measurement Significant Figures Measured quantities are reported in such a way that only the last digit is uncertainSignificant Figures (Dealing with Zeros) • All nonzero digits are significant • Zeros between nonzero digits are always significant Example: 1.003 (four sig figs) • Zeros at the beginning of a number are never significant. They are merely place holders Example: 0.038 (two sig figs) • Zeros at the end of a number are significant only if the number contains a decimal point Examples:5000 (1 sig fig) 5000. (4 sig figs) 5.000 x 103 (4 sig figs)Significant Figures in Calculations Addition and Subtraction The result contains the same number of decimal places as the measurement with the fewest number of decimal places Add these numbers
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