final_exam_review

final_exam_review - These questions are review questions...

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Page 1 These questions are review questions for the final exam, and are meant to review you on concepts learned from chapters 1 – 11 in your text. Use as you see fit. Also, see the “Read, study and Practice” section on wiley plus for tutorials, etc. Note: A thorough preparation for the final exam should not be limited to just the review questions. One should attempt the review questions after having done 1 – 4 below, as an assessment of how well you know your material. For each and every chapter (1 – 11) the student is responsible for the following: 1. Material covered in class 2. Assigned reading material from your text books (see syllabus) 3. Assigned homework (both graded (online homework) and ungraded) 4. Extra material assigned in class as homework (calculations and reading assignments) 5. Any material covered in 1 – 5 may appear in the exam. 1. The species shown below which has 24 neutrons is A) 52 24 Cr B) 55 25 Mn C) 24 12 Mg D) 45 21 Sc E) 51 23 V 2. Iron has a density of 7.86 g cm -3 . How many pounds does a block of iron with a volume of 1.65 cubic feet weigh? 1pound = 0.4536 kg, 1 foot = 12 in., 1 in. = 2.54 cm. A) 810 pounds B) 0.871 pounds C) 871 pounds D) 491 pounds E) 3.01 pounds 3. In the reaction, K 2 SO 4 ( aq ) + Ba(NO 3 ) 2 ( aq ) BaSO 4 ( s ) + 2 KNO 3 ( aq ), which ions are the spectator ions? A) Ba 2+ and SO 4 2- B) Ba 2+ and K + C) Ba 2+ and NO 3 - D) K + and SO 4 2- E) K + and NO 3 -
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Page 2 4. What is the correct name for the compound CuBr 2 ? A) copper(I) bromide(II) B) copper(II) bromide C) copper(II) bromite D) copper dibromide E) cuprous bromide 5. What is the oxidation number of each sulfur atom in the S 2 O 8 2- ion? A) -2 B) +1 C) +3 D) +5 E) +7 6. How many π -bonds are there in the CN ion? A) 0 B) 1 C) 1.5 D) 2 E) 3 7. Thermal decomposition of KClO 3 ( s ) yields KCl( s ) and O 2 ( g ). When 4.289 grams of KClO 3 (0.03500 moles) undergo this reaction, how many grams of oxygen are produced? A) 1.120 grams B) 0.5601 grams C) 2.240 grams D) 1.680 grams E) 4.288 grams 8. A 350.0 gram sample of copper is initially at 25.0 °C. It absorbs 12.50 kJ of heat from its surroundings. What is its final temperature, to the nearest tenth of a degree? (specific heat = 0.3874 J g 1 °C -1 for copper) A) 38.8 °C B) 67.2 °C C) 92.2 °C D) 117.2 °C E) 156.7 °C
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Page 3 9. In the octahedral and trigonal bipyramidal configurations, two lone pairs of electrons are placed in which positions? (adjacent means 'next to') Octahedral Trigonal bipyramidal A) opposite positions both equatorial B) adjacent positions both axial C) adjacent positions both equatorial D) opposite positions both axial E) adjacent positions one axial, one equatorial 10. Which one of the species below should have the smallest radius? A) Ca
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This note was uploaded on 04/26/2008 for the course CHEM 115 taught by Professor Chigwada during the Spring '07 term at WVU.

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final_exam_review - These questions are review questions...

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