Exams

CH102 General Chemistry

Spring 2014

Log of lecture topics and notes is here.

Answers to selected questions from Mahaffy et al., are here.

Known corrections to Mahaffy et al., PDF, 10 pages

Course gradebook is here.

Exam regulations: Your are required to abide by the following:

We treat cheating with zero tolerance. The consequences of cheating are at a minimum that the score for work on which cheating occurs counts as 0, and a letter detailing the cheating is sent to the student's advisor, the Dean of CAS, and placed in the student's academic file. Possible further consequences are referral to the Academic Conduct Committee, and additional penalties, including possible expulsion from the University.

No electronic devices may be used. No electronic devices (cell phones, etc.) are allowed in the exam rooms. All electronic or other communication is forbidden. No books or notes are allowed in the exam rooms. All calculations are to be done by hand and so no calculational aids (calculators, PDA's, portable PC's, slide rules, etc.) are allowed in the exam rooms.

Please do your exam in non-erasable black or blue ink; exams done in pencil or in erasable ink will not be accepted for regrading. Please use only the exam paper provided. Scrap paper may not be used. Points will be deducted for answers reported to an incorrect number of significant figures and if proper units are not used throughout each calculation. A periodic table, physical constants, major formulas, and representative values of base 10 logarithms will be provided as appropriate. All work must be shown to receive credit.

Here are locations, topics, and results of lecture exams, the lab exam, and the final exam in this course.

• Last name starts with A–Da, CAS/522
• Last name starts with Db–J, COM/101
• Last name starts with K–R, MOR/101
• Last name starts with S–V, PHO/206
• Last name starts with W–Z, KCB/101

Results: Here are the number of people in each score range. The average score for exam 2 was 56/100 = 56% (shown as the vertical line); the high score was 100/100 = 100%; 550 people took the exam. Last updated Tuesday, March 4, 2014 11:43:51.

Lecture exam 3, Monday, April 7. The exam is based on all lecture, lab, ALEKS and discussion material through Mahaffy et al., chapters 15, 16, and pages 619–629 and 632–635 of chapter 17, and the notes at http://quantum.bu.edu/courses/ch102/handouts.html on (1) standard reduction potentials, (2) the second law, (3) blind change & dumb luck, and (4) colligative properties. While the exam focuses on the preceding, it assumes the material from exams 1 and 2.

The exam is held in the following locations, 5:15–7 pm. Go to the location below according to the first letter(s) of your last name. The building abbreviations below and the campus map are here.

• Last name starts with A–I, CGS/129
• Last name starts with J–Ma, PHO/206
• Last name starts with Mb–R, COM/101
• Last name starts with S–V, KCB/101
• Last name starts with W–Z, CAS/522

Results: Here are the number of people in each score range. The average score for exam 3 was 56.1/100 = 56.1% (shown as the vertical line); the high score was 98/100 = 98.0%; 538 people took the exam. Last updated Tuesday, April 8, 2014 20:11:31.

Lab exam, Monday, April 28

The exam is held in the following locations, 5:15–7 pm. Go to the location below according to the first letter(s) of your last name. The building abbreviations below and the campus map are here.

• Last name starts with A–I, CGS/129
• Last name starts with J–Ma, PHO/206
• Last name starts with Mb–R, COM/101
• Last name starts with S–V, KCB/101
• Last name starts with W–Z, CAS/522

Final exam, Wednesday, May 7, 5–7 pm. The final exam is based everything covered this semester, in lecture (listed here) and in lab (listed here). All lectures are available for review here.

• Last name starts with A–F, SCI/109
• Last name starts with G–O, MOR/101
• Last name starts with P–Sl, COM/101
• Last name starts with Sm–Z, STO/B50

Results: Here are the number of people in each score range. The average score for the final exam was 75.2/150 = 50.1% (shown as the vertical line); the high score was 145/150 = 96.7%; 535 people took the exam. Last updated Thursday, May 8, 2014 08:57:02.

Here is the distribution of scores for the entire course.