CHEM 215, General Chemistry II
Department of Chemistry and Biochemistry
EXAM TWO, 28 Apr 2011
San Francisco State University
Print your name and exam number on the Scantron form and on your green book. Print
your name, SFSU ID number, select the exam-return method, and sign the certification on
back cover of this exam.
A periodic table, list of abbreviations, and physical constants, including standard reduction potentials,
are included with this exam. Any stand-alone calculator may be used. Use of any other materials during
the exam will be considered to be an act of cheating and will be reported to the Student Disciple Office.
All personal items other than a calculator and writing instruments must be put inside a pack or other
container (this includes textbooks, lab manuals, notes, cell phones, iPods, etc.).
Unless stated otherwise, assume that strong electrolytes are 100% ionized and all solutions are at
The exam period is 9:35—10:50 (75 minutes). You must put your green book, with this exam and your
Scantron form inside the green book, in the exam box by10:55 am. Exams will not be accepted after
You are responsible to check your exam for completeness!
This exam includes 14 multiple-choice questions worth 8 pts each.
When you have selected your answer, blacken the corresponding space on the SCANTRON answer sheet
with a soft, black #2 pencil. Make a heavy, full mark, but no stray marks. If you decide to change an
answer, erase the unwanted mark very carefully.
There is only one correct answer to each question. Any questions for which more than one response has
will not be counted
Your score is based solely on the number of questions you answer correctly.
It is to your advantage to
answer every question.
The best strategy is to arrive at your own answer to a question before looking at the choices. Otherwise,
you may be misled by plausible, but incorrect, responses.
This exam includes 3 problems worth a total of 88 pts.
Begin your answer to each problem on a new page in your green book, starting with the first page in the
book. Write the problem number on the top of every page used to answer the problem.