CHEM 095 C Preparatory Chemistry

Transcription

1 CHEM 095 C Preparatory Chemistry INSTRUCTOR & CLASS DETAILS Class Details: Instructor Information: Contact Information Dates: January 3 April 10 Instructor: Charles Mowat Phone: Days: MTWRF Office: charles.mowat@rdc.ab.ca Office Hours: 1:00-1:50 Preferred Communication: Time: 10:00 10:50 TWRF rdc / phone / In person Location: 1439 Lab time (Room 1411) Chem Mon 1:00-2:50 Chem Mon 3:00-4:50 Chem Tues 8:00-9:50 Anticipated Response Time: ASAP, during normal working hours. COURSE DESCRIPTION CREDITS: 6 HOURS DELIVERY: On Campus For students with previous study in bonding, nomenclature, and stoichiometry. Topics include gases, solutions, energy, electro-chemistry, equilibrium, acids and bases. Lab work is related to class discussions. CHEM 095 is equivalent to Chem 30 for admission to RDC programs. PRE-REQUISITES: CHEM 075 or Chem 20 CO-REQUISITES: None and MATH 075 or Math 10. COURSE LEARNING OUTCOMES Course Learning Outcomes (broad expectations) 1 Analyze and solve problems involving solution stoichiometry. 2 Analyze and solve problems involving gases. 3 Analyze and calculate the changes in heat content and heat transfer associated with chemical reactions and phase changes. 4 Construct reduction-oxidation reactions. 5 Analyze and solve electrochemistry problems involving redox stoichiometry and electrochemical cells 6 Construct Bronsted-Lowry acid-base reactions and calculate the ph of given solutions. 7 Predict the effect that an imposed stress will have on a chemical reaction that is in equilibrium. 8 Predict and calculate the solubility of ions and compounds in solutions containing relatively insoluble ionic compounds. 9 Define relevant terminology associated with solutions, gases, energy, electrochemistry, acids, bases and equilibrium. Academic Upgrading Page 1 Charles Mowat

2 REQUIRED TEXT - All lecture and lab resource materials are located on the Blackboard course site. COURSE ACTIVITIES AND DETAILED COURSE TOPICS/OBJECTIVES Class time will be used to introduce and work through course content. Extensive additional materials are available on blackboard. Students are expected to actively review the blackboard materials and to work through the questions and practice exams that are posted on the site. Weekly labs also compliment the course material. Attendance : It is expected that students will attend all lectures and labs. Should a lecture be missed the student then assumes the responsibility for the material that was covered. Should a lab be missed the student may receive a grade of zero for that lab. It is up to the student to contact the lab instructor regarding the missed material. It is usually not possible to make up missed labs. The following is a list of specific course content and skills that students are expected to know and apply by the completion of the course. Students entering the course are expected to know nomenclature, reactions and stoichiometry, however a brief review of the prerequisite content will take place. Review of Nomenclature, Reactions and Stoichiometry: Upon completion of this unit students should be able to: name and write chemical formulas for ionic compounds, molecular compounds, hydrated compounds and acids write balanced chemical reactions which have correct formulas and states for the following reaction types: synthesis, decomposition, single replacement, double replacement, hydrocarbon combustion, heating of metal carbonates, heating of metal hydroxides and net ionic reaction equations. carry out basic stoichiometric calculations involving determining the molar mass of elements and compounds, converting from grams to moles and moles to grams, using balanced reactions to make predictions about moles and grams of material required or produced, complete stoichiometry questions involving limiting reagents theoretical yield and percent yield. Solutions: Upon completion of this unit, a student should be able to: define the following terms: solute, solvent, aqueous, molarity, concentrated, and dilute. do molarity calculations for moles, molarity, or volume describe the correct procedure for preparing a solution of known molarity from a solid describe how to prepare a dilute solution from a concentrated solution calculate the molarity of ions in a solution list factors which affect solubility do stoichiometric calculations involving reactions in solutions define the process of titration Academic Upgrading Page 2 Charles Mowat

3 Gases: Upon completion of this unit, a student should be able to: predict how changes in pressure, temperature, volume, and moles affect gases discuss the measurement of temperature using Kelvin define absolute zero define STP perform calculations involving the combined gas law and ideal gas law define and use Dalton's Law of Partial Pressures apply the gas laws to stoichiometric situations Energy: Upon completion of this unit, a student should be able to: define the following terms: energy, potential energy, kinetic energy, heat, specific heat capacity, molar heat of fusion, molar heat, molar heat of formation, heat of reaction, exothermic reaction, endothermic reaction and Hess' Law calculate heat associated with phase changes and temperature changes set up equations which describe the process of heat transfer between two objects manipulate heat transfer equations algebraically calculate H of a reaction (chemical or physical) given results from a calorimeter experiment calculate H of a chemical reaction using the summation rule solve heat of reaction problems and stoichiometry problems involving H use Hess' Law to calculate H for a specified reaction Electrochemistry: Upon completion of this unit, a student should be able to: define the terms oxidation, reduction, oxidizing agent, reducing agent, redox reaction, cathode, anode, galvanic cell/voltaic cell, electrolytic cell write half reactions for redox reactions and write an overall net redox equation write non-standard half reactions in an acidic or basic environment use the reduction potential table to predict the most likely redox reaction in a given chemical system do stoichiometric calculations based on spontaneous redox reactions analyze an electrochemical cell or an electrolytic cell: the nature of the anode and cathode, the redox reactions that occur, direction of electron and ion flow, and the overall cell potential. do stoichiometric calculations involving ne- = It /Q Acids and Bases: Upon completion of this unit, a student should be able to: define Arrhenius and Bronsted-Lowry acids and bases define the terms: monoprotic, diprotic, polyprotic, amphoteric and amphiprotic write Bronsted-Lowry acid-base reaction equations state the difference between a strong and weak acid or base discuss the organization and structure of the ph scale calculate ph given [H 3O + ] or [OH - ] and vice versa (calculate [OH - ] or [H 3O + ] from ph) calculate ph of a strong acid calculate ph of a strong base calculate ph of a weak acid using Ka values Academic Upgrading Page 3 Charles Mowat

4 calculate ph of a weak base using Kb values determine the equilibrium constant of a weak acid choose an appropriate indicator an indicate its color change given a titration curve or an endpoint ph define endpoint and equivalence point do quantitative acid base stoichiometric calculations determine the volume of titrant added and ph at the equivalence point(s) on a titration curve explain how a buffer works Equilibrium: Upon completion of this unit, a student should be able to: define equilibrium and discuss factors which affect equilibrium such as pressure, temperature, and concentration define and apply Le Chatelier's Principle write equilibrium constant expressions write solubility (Ksp) equilibria use Ksp to solve for ion concentrations determine Ksp given ion concentrations of a saturated solution define and calculate trial ion product use the trial ion product to predict if a precipitate will be produced ASSESSMENT AND GRADING Please refer to the Assessment and Grading Policy for more information. Assessment in the course will be based on the following rubric. Quizzes/Exams % of raw score Exam #1 Review Quiz...9% Exam #2 Solutions/Gases Quiz.. 9% Exam #3 Energy Quiz.... 9% Exam #4 Electrochemistry Quiz...9% Exam #5 Acid-Base/ Equilibrium Quiz...9% Lab Component % of raw score Final Exam %* of raw score *40% represents the minimum weighting of the final exam. The final exam may be worth up to 49% of the course raw score. Use of Programmable Calculators: Memories on programmable calculators may be cleared prior to exam writing. Absence from Exams Absence from no more than one exam will result in the weighting of the missed exam being added to weighting of the final exam. If more than one exam is missed each subsequent missed exam will be given a mark of zero. NO LATE EXAMS WILL BE WRITTEN. Academic Upgrading Page 4 Charles Mowat

5 Final Exam. A comprehensive final exam will be given at the end of the course. If the grade on the final exam is higher than the grade on the least well written (lowest percentage) term exam (exams 1 through 5) then the lowest percentage will be dropped and replaced with a percentage equal to the percentage obtained on the final exam. Labs. Labs must be attended in order to submit a lab report for grading. It is rarely possible to make up a missed lab. Late labs may not be accepted. At the end of the course letter grades will be used to reflect achievement of the course learning outcomes. Letter Grade Grade Point Description of Performance A+ 4.0 Exceptional A 4.0 Excellent A- 3.7 B+ 3.3 B 3.0 Good B- 2.7 C+ 2.3 C 2.0 Satisfactory C- 1.7 D+ 1.3 Poor D 1.0 F 0.0 Fail Note: A grade of "A" will generally be the top grade in a course, with "A+" being reserved for recognition of exceptional achievement. Grading Scale Criteria for assigning grades in courses taught by Charles Mowat At the end of the course a raw score will be generated for each student according to the weightings described in the course outline. For convenience sake the raw score will be calculated in a percentage form. The class percentages will then be ranked from the highest overall percentage to the lowest overall percentage. Once the percentages have been ranked they will be looked at to determine where natural groupings occur. A combination of percentages and groupings will then be used to assign a letter grade. The following chart provides a ballpark breakdown of the type of percentages that could possibly result in a specific letter grade. This is an approximate guide and does not provide an exact conversion because it can not anticipate the groupings that may occur from term to term and from year to year. Academic Upgrading Page 5 Charles Mowat

6 Approximate conversions Approximate ranges of % Corresponding letter grade (plus or minus 1 or 2 %) 97 % and higher A+ 90% to 96% A 80% to 89% A- 77% to 79% B+ 74% to 76% B 71% to 73% B- 67% to 70% C+ 63% to 66% C 58% to 62% C- 54% to 57% D+ 50% to 53% D Example 1. Students overall marks as a percentage A A B B C C D D F 25 Example 2. Students overall marks as a percentage 98 A A A B B C C C D D F Academic Upgrading Page 6 Charles Mowat

7 TIMELINES Academic Upgrading Page 7 Charles Mowat

8 PRIOR LEARNING ASSESSMENT This course may be eligible for Recognition of Prior Learning. Students should refer to the RDC College Calendar for a list of excluded courses. STUDENTS RIGHTS & RESPONSIBILITIES As stated in the RDC Student Rights and Responsibilities policy: Red Deer College (RDC) is a learning community dedicated to the pursuit of knowledge and to ensuring that the adult learners we serve have the knowledge, skills and competencies to develop to their full potential. The essential conditions for a learning community are an atmosphere of freedom, respect and appreciation for the basic rights and responsibilities of all members of the community. Links to Polices: Students should refer to these policies should questions or concerns not be resolved with the instructor: Student Rights and Responsibilities, Appeals: Formal, Appeals: Informal Resolution, Student Misconduct: Academic and Non-Academic, and Academic Accommodations for Students with Disabilities. The RDC Final Examination Policy will be followed at all times with respect to Final Examinations. Academic Misconduct Academic misconduct in all its forms is a serious offence. Please read the definitions that follow, and refer to the links below for the complete policies. Definitions Academic misconduct: Academic misconduct is the giving, taking, or presenting of information or material that unethically or dishonestly aids oneself or another on any work which, under normal circumstances, is to be considered in the determination of a grade or the compilation of academic requirements or the enhancement of that student s record or academic career. The two key areas of academic misconduct are cheating and plagiarism. Plagiarism: The use or close imitation of language, paintings, films, prototypes and ideas of another author and representation of them as one's own original work. The most common forms of plagiarism are: copying or paraphrasing another author s work without proper acknowledgement, using the ideas or lines of reasoning of another author s work without proper acknowledgement, submitting work to which someone else has made substantial improvements to the content, and submitting the same work for multiple courses without approval. Plagiarism can be judged to have occurred if the instructor has both the submitted material and original source that was copied, or if the student is unable to explain the terminology or ideas of a submission. Cheating: Any attempt to give or obtain unsanctioned assistance in a formal academic exercise (e.g., examination). Student Misconduct: Academic and Non-Academic Policy Appeal: Formal Policy Appeals: Informal Resolution Policy Academic Upgrading Page 8 Charles Mowat

9 STUDENT SUPPORTS Student Services on Campus Students should be aware that Personal Counselling, Career, Learning and Disability Resources are provided by RDC. Students may inquire about locations at the Information Desk. It is the responsibility students to discuss their specific learning needs with the appropriate service provider. Learning Support (Library: , ) Writing Skills Centre Math Learning Centre (math concepts and advanced theoretical math) Learning Strategies (note-taking, studying and exam-writing strategies) Peer-Assisted Study / Tutoring (one-on-one tutoring by students) Disability Resources (Library: , disabilityservices@rdc.ab.ca) Coordination of services (tutoring, alternate format text, note-taking and so on.) Academic accommodations, including exam accommodations Counselling and Career Centre (Room 1402: , counselling@rdc.ab.ca) For a list of Services, see: IMPORTANT DATES WINTER 2018 January 3, 2018 January 2, 2018 January 3, 2018 January 12, 2018 February 19, 2018 February 20-23, 2018 March 2, 2018 March 6, 2018 March 16, 2018 March 30, 2018 April 10, 2018 April 10, 2018 April 16-21, 2018 April 27, 2018 First day of classes College open No credit classes First day of classes for Winter Tuition fees due Last day to Add/Drop Classes Family Day. College Closed. No classes Midterm break No credit classes Mid-Term feedback for Winter 2018 available to students through course site Emergency Response Day- more information can be found at the following link: Final exam schedule posted Good Friday College closed. No classes Last day to withdraw without academic penalty Last day of classes for the Winter term Final exams scheduled Final grades available Academic Upgrading Page 9 Charles Mowat

10 COURSE OUTLINE CHANGES It is the student s responsibility to be familiar with the information contained in the Course Outline and to clarify any areas of concern with the instructor. No changes will be made to this course outline without the consent of the class and the approval of the Associate Dean. For further information, see the Course Outline Policy. Associate Dean: Date: December 21, 2017 Academic Upgrading Page 10 Charles Mowat