CHEM 215, General Chemistry II
Department of Chemistry and Biochemistry
EXAM ONE, 9 Mar 2010
San Francisco State University
Print your name in the spaces below; also print your name and exam number on the
Scantron form and on your Blue book. Print your SFSU ID number, select the exam-return
method, and sign the certification on page two.
A periodic table, list of abbreviations, and physical constants, including standard reduction potentials,
are included with this exam. A non-programmable 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 25
The exam period is 9:35-10:50. Exams will not be accepted after 10:55 am.
You are responsible to check your exam for completeness!
This exam includes 22 multiple-choice questions worth 6 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 68 pts.
Begin your answer to each problem on a new page in your blue book, starting with the first page in the
book. Write the problem number on the top of every page used to answer the problem.
Answers to numerical problems must show all steps necessary to reach the answer – no credit will be
given for simple numerical answers.
Explanations must be written in complete English sentences. Poor expression will result in loss of credit.
It is to your advantage to write short, concise explanations.
Your score is based upon both correct and incorrect responses.
The best strategy is to make some response to every question. If you don’t have time to finish a problem,
describe the steps that would lead to the correct solution. If you believe a numerical answer is wrong,
explain why it’s wrong. If your explanation is correct, you’ll get more credit than you would otherwise