Prince George's Community College. CHM LD03(41070) General Chemistry II Fall 2011

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1 Prince George's Community College CHM LD03(41070) General Chemistry II Fall 2011 Lab: Monday 12:00 to 2:50 P.M. Room: CH316 Lecture Time: Friday 1:00 P.M. to 1:50 P.M. Room: CH 114 INSTRUCTOR: Indravadan Shah, M.S. B.Ed., Associate Professor PHONE: (Science Department Voic ) OFFICE: CH-310F OFFICE HOURS: Mon/Wed. 11:30 A.M. to 12:00 P.M. REQUIRED MATERIALS: Chemistry (A molecular Approach), by Nivaldo J. Tro, Pearson and scientific calculator (TI-83 or 83 plus graphing calculator strongly urged), and a laboratory manual - Exploring the Chemical World by Dr. Sinex and Dr. Gage.(Free on What is This Chemistry Course going to be like? This section of CHM 1030 is a continuation of CHM 1010 and CHM 1020 text book. It will be structured differently than what you may expect. We want you to discover chemistry concepts through lab exploration and interaction with fellow students and the instructor. It is an exciting way to learn chemistry. The lecture/discussion portion of the course will have varied activities. Sometimes you will engage in classroom activities which allow you to discover concepts in a way similar to your activities in lab. We will practice understanding through problem solving. You need to keep good notes on discussion from lecture/discussion periods. You are free to ask questions at anytime on material we are discussing or material related to it. However, personal learning requires one on one dialogue. In that case, I strongly recommend you to use my office hours for further assistance. Bring your calculator and text with you to class. Exams and quizzes will be given during the lecture/discussion time. We will use this time to go over assigned problems from the chapters in the text. How Will You Be Assessed? Below is a list of the assessments for this semester minutes 50 points each 100 points 4 Performance labs Regular labs 40 3 Quizzes 60 1 one hour exam 100 Total 500 points 1

2 What Do You Need to Do to Be Successful In this Chemistry Class? Attend (in mind and body) all class sessions. ARRIVE ON TIME and stay for the whole time. Experience shows that you will not be successful if you are not present. If you arrive late let the instructor know so you can be registered as present. Read and use your syllabus packet. Not only does this provide the discussion schedule but it also provides knowledge and process goals, and textbook problem assignments. Read the material in the textbook as it is covered in class. Do the assigned questions at the end of each chapter as we finish the section. Don t wait until the end of the chapter or the night before the quiz or exam. This is an excellent way of assessing your understanding of the concepts we have been covering. Complete all assignments on time. Points are deducted for late assignments. ASK if you have a question. Don t wait for revelation... The sooner you address a problem, the easier it is to solve. Work with classmates to help clarify your thought processes and as practice. Maintain your success record. Use the chart you are given for assignments and point values. Keep it up to date and assess your status now and then. What Do You Do If You Are Absent? Get notes from a classmate. If you have difficulty grasping a concept you missed come to office hours for a conference (however, please do not expect a private lecture). If you are absent on the day of an exam with a documented good excuse YOU MUST CALL as soon as you know you will be absent. If the instructor agrees with a documented excuse, a make-up exam will be scheduled for the next class meeting after the absence. No call, No make-up! Where Can You Get Help? Your first and best source of help is your instructor! Make use of my office hours. If you cannot come during the scheduled times, talk to me and I will try to arrange an alternate time. PGCC offers additional help at the Tutoring Center which is on the 3 rd floor of Accokeek 2

3 Hall. You can schedule half hour appointments with tutors by phone or in person. Ask for more details. Tutoring is limited or may no be available through the summer. If you can, form study groups with your classmates. This is a great way to sharpen your thoughts and get practice in a less threatening way. COURSE DESCRIPTION: Study of measuring devices, chemical kinetics, chemical equilibrium, determination of water hardness, more lights, color, and absorption, weak electrolytes including acids and bases, weak acid base titration, thermodynamics, electrochemistry, Prerequisite: CHM EXPECTED COURSE OUTCOMES: Upon successful completion of this course, a student will be able to: Use scientific tools for data processing, display, and evaluation such as the graphing calculator, spreadsheets, and other software formulate rate laws for chemical reactions using experimental data. SUGGESTED TEXTBOOK READINGS AND PROBLEMS Below are suggested readings and practice problems at the end of chapters. The problems should be done at home after we complete the discussion of the material in class. You will not be graded on these but working on them greatly enhances your chances for success in CHM 1030 and sometimes exam questions are selected (or modified) from these worksheets. Chapters 13 to 19 Analyzing data and evaluating them for precision and accuracy Errors and types of errors Graphing exercise and calculation Chemical Kinetics (Rate laws) Beer s law: determination of linear relationship for Absorbances vs concentration/ pathlength. Chemical equilibrium constant (Keq) Acids-bases titration and equilibrium, ph calculation, buffer solution Thermodynamics: chemical equilibrium constant Conductometric measurement, Electrochemical cells and redox reactions 3

4 Prince George s Community College CHM1030. LD03 (41070) Laboratory schedule Monday 12:00 P.M. Shah Week Dates Topics 1 08/29/2011 Use of analytical balance (5 points) 2 09/05/2011 No lab; Labor day holiday 3 09/12/2011 Measurement variation (5 points) 4 09/19/ 2011 Sampling variation (5 points) 5 09/26/ 2011 Accuracy and Precision of volume measuring devices (PL:1) (50 points) 6 10/03/ 2011 Conductometric measurement Part I, II ( 5 points) 7 10/ 10/ 2011 More lights, color, absorption (5 points) 8 10/17/ 2011 Weak monoprotic acid and strong base titration (PL: 2) 50 points 9 10/24/ 2011 Equilibrium constant determination for Fe(SCN) 2+ (5 points) 10 10/31/ 2011 Stella model rate law 11 11/07/ 2011 Determination of the rate law for crystal violet/naoh reaction (5 points) 12 11/14/ 2011 Titrimetric analysis of antacid tablets (PL: 3) (50 points) 13 11/21/ 2011 An investigation of electrochemical reactions (5 points) 14 11/28/ 2011 Studying molecular vibration 15 12/05/2011 Chemical analysis (PL:4) 50 points 4

5 CHM STUDENT GRADE RECORD Section LD 02 Total Points in Course = 500 Your current grade (%) = (Your total points/total of possible to date) x % = A 89-80% = B 79-70% = C 69-60% = D below 60% = F Assessment Date Highest Possible Points Points received % Exam 1 09/23/ Exam 2 10/21/ Exam 3 12/02/ Quiz: 1 09/16/ Quiz: 2 10/14/ Quiz: 3 11/18/ Performance lab 1 09/21/ Performance lab 2 10/12/ Performance lab 3 11/09/ Performance lab 4 12/07/ Regular labs 5 points each 40 Total 500 points Some Information You Need to Know About the Science College Classroom at PGCC In the Science, technology, Engineering, and Mathematics Division, we have sets goals toward excellence for our students, faculty, and programs. While you are in class it is important to focus on 5

6 the tasks at hand and to make the environment safe and conducive to learning for everyone. To accomplish our goals, there are some assumptions and policies you should be aware of You are an adult and assumed that you will act accordingly. This means being on time for class, conducting yourself appropriately while in class, being prepared for class, participating in course activities, completing assignments on time, and taking responsibility for your own performance. You may have a complicated life but you must earn a grade on merit, not on extenuating circumstances. Instructors will assist you within reason but you must take the initiative to seek help if needed. If you must leave a class early or miss class time, please let the instructor know. You are responsible for making up any missed material. PGCC has Academic dishonesty policy and unethical academic behavior (cheating, plagiarism, etc) is not tolerated. There are serious ramifications for the student(s) involved. CODE OF CONDUCT The prince George s Community College Code of conduct defines the rights and responsibilities of students and establishes a system of procedures for dealing with students charged with violations of the code and other rules and regulations of the college. A student enrolling in the college assumes an obligation to conduct himself/herself in a manner compatible with the college s function as an educational institution. Refer to the Student Handbook, beginning on page 41, for a complete explanation of code of conduct, including the Code of Academic Integrity and the procedure for dealing with disruptive student behavior. CODE OF ACADEMIC INTEGRITY The college is an institution of higher learning that holds academic integrity as its highest principle. In the pursuit of knowledge, the college community expects that all students, faculty, and staff will share responsibility for adhering to the values of honesty and unquestionable integrity. To support a community committed to academic achievement and scholarship, the Code of Academic Integrity advances the principle of honest representation in the work that is produced by students seeking to engage fully in learning process. The complete text of the Code of Academic Integrity is in the Student Handbook (page 42-45) and posted on the college website. Cell phones and beepers must be turned off or set to vibrate while in class. Only emergency calls can justify leaving a class in session. Important Dates: August 29 Monday Classes begin for fall 2011 September 3-5 Sat. Mon. COLLEGE CLOSED Labor Day observed September 15 Thursday Last day to apply for fall graduation 6

7 September 23 Friday Last day to change from credit to audit or audit to credit for full-semester classes October 5 Wednesday Last day to withdraw from 1st half-semester courses October 19 Wednesday Midterm/ end of 1st half-semester classes October 20 Thursday Beginning of 2nd half-semester classes October 24 Monday Begin registration for Intersession 2012 October 25 Tuesday College Enrichment Day No classes November 18 Friday Last day to withdraw from full-semester classes November 21 Monday Advance registration for spring 2012 begins November 23 Wednesday Beginning of holiday College open No classes. November Thurs. Sun. COLLEGE CLOSED Thanksgiving holiday November 28 Monday College re-opens and classes resume. Last day to withdraw from 2nd half-semester classes Nov Mon. Wed Advance registration for spring 2012 continues December 1 Thursday Begin open registration for spring 2012 December 8 Thursday Last day of regular classes for fall semester December 9 15 Fri. Thurs. Final examination period/last week of classes December 16 Friday End of Intersession registration Spring in-person registration closes until Thursday, January 5 Dec. 22 Jan. 4 Thurs.-Wed. COLLEGE CLOSED Winter break Resources for additional activities: PGCC Tutoring Center Bladen Hall 207 Ph: Chemistry Club CHM312, Time: 3:00 P.M. every Friday SIR Program CHM316 Time: 2:00 P.M. every Friday STEM collegian center Dr. David Rollin CH-210H, (301) Important links: Student Assessment Services (testing center) (B-100) : 7

8 International Education Center (L-117): Computer Open Labs (Bladen Hall): 8

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