AS.030.102 Introductory Chemistry II

Course Webpage: https://occamy.chemistry.jhu.edu/courses/AS.030.102/spring_2024/index.php

Last Updated: May 8th, 2024


SPRING 2024


TOPIC

Continuation of AS.030.101 emphasizing chemical kinetics, chemical bonding. Topics include energy levels and wave functions for particle-in-a-box and hydrogen atom and approximate wave functions for molecules including introduction to hybrid orbitals.


Learning Objectives

At the end of this course, students will be able to:

  1. Solve word problems substantially more effectively than before
  2. Combine chemical thermodynamics and kinetics to understand and predict the behavior of the world
  3. Demonstrate improved time management abilities
  4. Identify systematic and random sources of errors, and incorporate that knowledge in drawing conclusions from data
  5. Propose the bonding and shapes of molecules, identify the impact on interactions between molecules, and propose experiments to check these predictions
  6. Predict the behavior of species in solution, including acids, bases, salts, buffers, equilibria, and precipitations
  7. Predict and describe key factors underlying chemical kinetics

Unit Topics
  1. Acids, Bases, Salts, Buffers, and Titrations
  2. Solubility Equilibria and Precipitation
  3. Electrochemistry: Oxidation States, Half Reactions, Nernst Equation, and More
  4. Kinetics: How fast do reactions go? How fast do they approach equilibrium?
  5. Quantum Theory: The fascinating microscopic world and consequences of indistinguishability
  6. Valence Bond and Molecular Orbital Theory: What holds atoms together?
  7. Transition Metal Complexes and Crystal Field Theory
  8. Frontiers of Chemistry in the World Today

Class Times: MWF 9:00-9:50 AM
Classroom:Mudd 26 (on the campus map)

INSTRUCTOR:
Prof. Tyrel M. McQueen
mcqueen@jhu.edu
Office: New Chemistry Building #312 and Bloomberg #301
Final Exam Reviews:
Tuesday, April 30th, Noon-3 PM, Mudd 26 (TMM)
Friday, May 3rd, 1-4 PM, Bloomberg 478 (TAs)

TEACHING ASSISTANTS (TAs)
Juan Garcia, jgarci90@jhu.edu
Abby Neill, aneill1@jhu.edu
Isabella Niedzwiecki, iniedzw1@jh.edu
Cameron Smith, csmit428@jhu.edu
Shiying Wang, swang339@jhu.edu
Wandi Xu, wxu68@jhu.edu

TA Office Hours
Sundays, 6:30-8:00 PMRemsen 140
Mondays, 6:30-8:00 PMRemsen 140
Wednesdays, 6:30-8:00 PMRemsen 140

Practice Problem Sessions
Tuesdays, 6:30-7:45 PMRemsen 1
Thursdays, 6:30-7:45 PMRemsen 1

Learning Den and PILOT Offerings
https://academicsupport.jhu.edu/learning-den/
https://academicsupport.jhu.edu/pilot
https://academicsupport.jhu.edu/study-consulting/


Required Text and Materials:

Optional Resources:

Communications

All salient class logistical information (e.g. extensions or changes to the plan) will be sent by email and posted on the course syllabus. It is your responsibility to regularly check your JHU email. Key announcements will also be made in class.


Attendance
Attendance to class and exam periods is required. Missed exams cannot be made up. Instead, your grade for that exam will be assigned based on your performance in other exams (see below). Except in the case of sickness, absences from exams must be excused at least 3 days in advance with documentation. In the case of sickness on exam days, Health and Wellness will provide notes and this documentation is required. In ALL cases you MUST email TMM BEFORE the start of the exam. If you do not request permission BEFORE the start of the exam period, you will receive a 0 for that exam EVEN IF you provide documentation. In rare cases, an exam will be excused in order to help you to recover from a serious illness, but these arrangements must be worked out in advance with TMM and with collaboration from the Dean of Student Life.

General Grading Policy

Point Distribution: 15% each of two hour exams, 20% final exam, 20% individual homework, 5% for each of five group worksheets, 5% in-class participation

Class Participation: Class participation in synchronous lectures is expected. 80+% attendance = 5%, 70+% = 4%, 50+% = 3%, 30+% = 2%, 15+% = 1%

Late Assignments: Late homework is accepted for one day with a 25% penalty. After that, homework will not be accepted except under exceptional circumstances. Your lowest homework score will be dropped.


OVERALL COURSE GRADES:

Please see TMM if you have any questions. For this year, approximate ranges are 83%+ A, 81-83% A-, 76-81% B+, 72-76% B, 70-72% B-, 67-70% C+, 64-67% C.


Final letter grades will be assigned by looking at class averages, medians, large point gaps between students, and comparisons to prior year cohorts. However, the following table indicates minimum grades awarded for a given percentage of points earned:

PercentageMinimum Grade
90%A-
80%B-
70%C-


Exams

There will be two midterm exams on Friday, February 23rd and Friday, April 5th each covering key aspects of the course. The final cumulative exam will be held according to the schedule set by the registrar (tentatively: Monday, May 6th, 2024, 6-9 PM).

Regrade Policy: If you believe that a mistake was made in grading your exam, you may submit a regrade request. A regrade request should be a clean sheet of paper with a short description of what was done wrong paperclipped to the front of your exam. TMM reserves the right to inspect the exam for other grading errors if you submit a regrade request. All regrade requests are due by the dates that will be posted here. Submission of a formal regrade request is required to have your exam score changed, but TMM is of course available to discuss any issues or problems you have.

Excused Exams: If you are appropriately excused from an exam (see above), your class rank on each of the exams you took will be determined, and the average of this rank will be calculated. For the exam you missed, the numerical grade for the student of this rank will be entered.





Group Worksheets

Group worksheets are in-class assignments by teams of 2-4, and about 20 minutes in length. They are collected at end of class for grading. The lowest two scores will be dropped.

  1. Group Worksheet 1 (Sample Correct Answers)
  2. Group Worksheet 2 (Sample Correct Answers)
  3. Group Worksheet 3 (Sample Correct Answers)
  4. Group Worksheet 4 (Sample Correct Answers)
  5. Group Worksheet 5 (Sample Correct Answers)
  6. Group Worksheet 6 (Sample Correct Answers)
  7. Group Worksheet 7 (Sample Correct Answers)

Homework Assignments

These are available on Achieve via Canvas. They are generally due on Mondays by 11:59 PM eastern time.


Tentative Schedule (can and will change!)
Class WeekTopicBook Sections
Week 1 (1/22-1/26): Review of Acids and Bases (2 lectures), Buffers (1 lecture) 6A-F,6G
Week 2 (1/29-2/2): Titrations (3 lectures) 6H, Group Worksheet 1 (Titrations)
Week 3 (2/5-2/9): Solibility Equilibria and Precipitation (2 lectures), Electrochemistry (1 lecture) 6I-J,6K
Week 4 (2/12-2/16): Electochemistry (2 lectures), Intro Kinetics (1 lecture) 6L-N (6O opt), 7A/B, Group Worksheet 2 (Electrochemistry)
Week 5 (2/19-2/23): Kinetics (2 lectures), EXAM 1 7C-D, 9A, EXAM 1
Week 6 (2/26-3/1): Kinetics (1 lecture), Intro Quantum (2 lectures) 1A-C, Group Worksheet 3 (Kinetics)
Week 7 (3/4-3/8): Intro Quantum (1 lecture), Quantum Theory: Wave Equations (2 lectures) 1D-1E
Week 8 (3/11-3/15): Orbitals (2 lectures), Atomic Properties (1 lecture) 1E-1F, Group Worksheet 4 (Basic Quantum)
SPRING BREAK
Week 9 (3/25-3/29): Lewis Structures and Valence Bonds (2 lectures), MO theory (1 lecture) 2F-2G, 8K, Group Worksheet 5 (VB/MO Theory)
Week 10 (4/1-4/5): MO theory (2 lectures), EXAM 2 8K, EXAM 2
Week 11 (4/8-4/12): Intro Transition Metals (1 lecture), Coordination Compounds and Isomers (1 lecture), Ligand Field Theory (1 lecture) 8L, 8M, Group Worksheet 6 (TM and Isomers)
Week 12 (4/15-4/19): Ligand Field Theory (3 lectures) 8M, TBD
Week 13 (4/22-4/26): Frontiers of Chemistry (2 lectures), Review (1 lecture) TBD, Group Worksheet 7 (TBD)
Final Exam Monday, May 6th, 2024, 6-9 PM Tentative

Extra Reference Material

Additional reference materials will be posted as mentioned in the class.


Availability of Class Materials

To ensure availability for studying for exams, notes and other class materials will be made available after the class period has occurred, periodically. These are not a substitute for attending class, and are not immediately available after each class period.

  1. Lecture 1 (Slides)
  2. Lecture 2 (Slides)
  3. Lecture 3 (Slides)
  4. Lecture 4 (Slides)
  5. Lecture 5 (Slides)
  6. Lecture 6 (Slides)
  7. Lecture 7 (Slides)
  8. Lecture 8 (Slides)
  9. Lecture 9 Virtual Replacement (Slides)
  10. Lecture 10 (Slides)
  11. Lecture 11 (Slides)
  12. Lecture 12 (Slides)
  13. Lecture 13 (Slides)
  14. Lecture 14 (Slides)
  15. Lecture 15 (Slides)
  16. Lecture 16 (Slides)
  17. Lecture 17 (Slides)
  18. Lecture 18 (Slides)
  19. Lecture 19 (Slides)
  20. Lecture 20 (Slides)
  21. Lecture 21 (Slides)
  22. Lecture 22 (Slides)
  23. Lecture 23 (Slides)
  24. Lecture 24 (Slides)
  25. Lecture 25 (Slides)
  26. Lecture 26 (Slides)
  27. Lecture 27 (Slides)
  28. Lecture 28 (Slides)
  29. Lecture 29 (Slides)
  30. Lecture 30 (Slides)
  31. Lecture 31 (Slides)
  32. Lecture 32 (Slides)
  33. Lecture 33 (Slides)
  34. Lecture 34 (Slides)
  35. Lecture 35 (Slides)
  36. Lecture 36 (Slides)
  37. Review Session

Late Adds

You may add this course after the start of the semester. You must, however, contact TMM directly to make arrangements to make up any important work you may have missed.


Disability Accommodations:

If you are a student with a disability or believe you might have a disability that requires accommodations, please contact Student Disability Services, 385 Garland, (410)516-4720, studentdisabilityservices@jhu.edu


Honor Code

The strength of the university depends on academic and personal integrity. In this course, you must be honest and truthful. You may collaborate with other students in this course, but you must acknowledge this collaboration. Furthermore, you should collaborate with others rather than simply copying the ideas or solutions of others. Ethical violations include cheating on exams, plagiarism, reuse of assignments, improper use of the internet and electronic devices, unauthorized collaboration, alteration of graded assignments, forgery and falsification, lying, and facilitating academic dishonesty. For more information, see the guide on "Academic Ethics for Undergraduates" and the Ethics Board web site (http://ethics.jhu.edu).


TA Expectations

TAs are expected to attend a 1/2 day session before the semester for prep, to complete one hour of prep each week in preparation for office hours and lectures, to attend every lecture, to be available 1-2 hr/week at the assigned time for office hours, to be available 1-2 hr/week to meet with PILOT leaders about topics of the week, to complete grading of their assigned group worksheet, and to clear schedules on exam days for grading. [ Total time commitment: approx. 145 hr ].