CH 123 Final Exam SP10 eno

CH 123 Final Exam SP10 eno - Chemistry 123 Final Exam...

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Chemistry 123 Spring 2010 Oregon State University Final Exam June 7, 2010 Dr. Richard Nafshun DO NOT OPEN THIS EXAM UNTIL INSTRUCTED. CALCULATORS ARE NOT TO BE SHARED. Instructions: You should have with you several number two pencils, an eraser, your 3" x 5" note card, a calculator, and your University ID Card. If you have notes with you, place them in a sealed backpack and place the backpack OUT OF SIGHT or place the notes directly on the table at the front of the room. Fill in the front page of the Scantron answer sheet with your last name, first name, middle initial, and student identification number. Leave the test form number and class section number blank. This exam consists of 33 multiple-choice questions. Each question has four points associated with it; except Question 33 which has two points associated with it. Select the best multiple-choice answer by filling in the corresponding circle on the rear page of the answer sheet. If you have any questions before the exam, please ask. If you have any questions during the exam, please ask the proctor. Open and start this exam when instructed. When finished, place your Scantron form in the appropriate stack. You may keep the exam packet, so please show your work and mark the answers you selected on it.
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Reduction Half-Reaction E º, volt
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Acidic Solution F 2 (g) + 2 e - → 2F - (aq) +2.866 O 3 (g) + 2 H + (aq) + 2 e - → O 2 (g) + H 2 O(l) +2.075 S 2 O 8 2- (aq) + 2 e - → 2 SO 4 2- (aq) +2.01 H 2 O 2 (aq) + 2H + (aq) + 2 e - → 2 H 2 O(l) +1.763 MnO 4 - (aq) + 8H + (aq) + 5 e - → Mn 2+ (aq) + 4 H 2 O(l) +1.51 PbO 2 (s)+ 4H + (aq) + 2 e - → Pb 2+ (aq) + 2 H 2 O(l) +1.455 Cl 2 (g) + 2 e - → 2 Cl - (aq) +1.358 Cr 2 O 7 2- (aq) + 14 H + (aq) + 6 e - → 2 Cr 3+ (aq) + 7 H 2 O(l) +1.33 MnO 2 (s) + 4H + (aq) + 2 e - → Mn 2+ (aq) + 2 H 2 O(l) +1.23 O 2 (g) + 4H + (aq) + 4 e - → 2 H 2 O(l) +1.229 2 IO 3 - (aq) +12H + (aq) + 10 e - → I 2 (s) + 6 H 2 O(l) +1.20 Br 2 (l) + 2 e - → 2 Br - (aq) +1.065 NO 3 - (aq) + 4H + (aq) + 3 e - → NO(g) + 2 H 2 O(l) +0.956 Ag + (aq) + e - → Ag(s) +0.800 Fe 3+ (aq) + e - → Fe 2+ (aq) +0.771 O 2 (g) + 2H + (aq) + 2 e - → H 2 O 2 (aq) +0.695 I 2 (s) + 2 e - → 2 I - (aq) +0.535 Cu 2+ (aq) + 2 e - → Cu(s) +0.340 SO 4 2- (aq) + 4H + (aq) + 2 e - → 2 H 2 O(l) + SO 2 (g) +0.17 Sn 4+ (aq) + 2 e - → Sn 2+ (aq) +0.154 S(s) + 2H + (aq) + 2 e - → H 2 S(g) +0.14 2H + (aq) + 2 e - → H 2 (g) 0 Pb 2+ (aq) + 2 e - → Pb(s) -0.125 Sn 2+ (aq) + 2 e - → Sn(s) -0.137 Co 2+ (aq) + 2 e - → Co(s) -0.277 Fe 2+ (aq) + 2 e - → Fe(s) -0.440 Zn 2+ (aq) + 2 e - → Zn(s) -0.763 Al 3+ (aq) + 3 e - → Al(s) -1.676 Mg 2+ (aq) + 2 e - → Mg(s) -2.356 Na + (aq) + e - → Na (s) -2.713 Ca 2+ (aq) + 2 e - → Ca(s) -2.84 K + (aq) + e - → K(s) -2.924 Li + (aq) + e - → Li(s) -3.040 Basic Solution O 3 (g) + H
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CH 123 Final Exam SP10 eno - Chemistry 123 Final Exam...

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