KEY Exam3 1311 F16 vC - CHEM 1311 General Chemistry 1 Fall...

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CHEM 1311: General Chemistry 1, Fall 2016 Exam #3, November 5, 2016 Class section: Instructor Section # Class time Taylor 001 9:00 to 9:50 am Sibert 002 10:00 to 10:50 am Dieckmann 003 11:00 to 11:50 am Dieckmann 004 1:00 to 1:50 pm Taylor 005 2:00 to 2:50 pm Wijenayake 501 5:30 to 6:45 pm EXAM TYPE: C You have 80 minutes to answer 34 questions AND bubble the scantron. No additional time to bubble will be given. _________________________________________________________________________________ Scantron Use In general: 1. For this exam, you are allowed to use ONLY a TI-30X IIS, TI-30X IIB or TI-30Xa that you have at your desk. You MAY NOT borrow another person’s calculator. You MAY NOT use your cell phone, PDA, or other non-calculator device as a calculator. 2. Your cell phone should be turned OFF and stored in your bag or on the floor, under your seat. NO wristwatches will be permitted to be worn during this exam. 3. Use ONLY a #2 pencil to fill out the scantron sheet. Do not use a pen or marker. 4. When filling in the bubbles on the scantron, be sure to fill in bubble completely , and only one bubble for each entry. Pay attention to line numbers on the scantron so that you put the answer in the correct spot. 5. When you first get the exam, check to make sure you have all pages of the exam and one periodic table. You should also have one scantron sheet. If you don’t have any of these, contact us immediately. 6. We will announce periodically how much time has elapsed/is remaining. 7. If you have a question, ASK (if taking the exam at the Office of Student AccessAbility or the Testing Center, let your proctor know and they can call immediately to get an answer to your question) FILLING IN SCANTRON PERSONAL INFO: Bubble info: 1. I.D. NUMBER: 4-digit exam number (left justified) 2. NAME: LAST NAME space FIRST NAME space MI (left justified) 3. TEST FORM: exam type (A, B, C or D) 4. SUBJECT SCORE: your section number (see above for list) Vertical lines: 1. NAME: “Exam 3” GOOD LUCK!
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CHEM 1311: Exam #3 November 5, 2016 Page 2 of 8 1. In the following reaction, the oxidation state (number) of chromium changes from: 2 Cr(OH) 4 (aq) + 3 ClO (aq) + 2 OH (aq) 2 CrO 4 2– (aq) + 3 Cl (aq) + 5 H 2 O(l) A. –1 to –2 B. +3 to +6 C. +4 to +8 D. +1 to –1 E. –4 to +3 __________________________________________________________________________________
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