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chemfinalpdf - Chemistry 1015 Fall 2009 Final Exam A...

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Chemistry 1015 Fall 2009 Final Exam A December 21, 2009 Dr. Driessen ________________________________________________________________ This exam covers Chapters 1-14 in Tro's, "Introductory Chemistry". You have 120 minutes to complete this exam. Please follow the instructions carefully! 1. Use a #2 pencil to fill out your bubble sheet. 2. Write AND bubble in your a) name, LAST name first b) student ID number There are 35 multiple choice questions, each is worth about 2.86 points. Answer every question. There is no partial credit. The question is either correct or incorrect. Only choose one answer for each question. More than one answer for one question will result in no credit. If you change your answer, make sure to erase the old answer completely. Answer keys to the exam will be posted on the class website. Mark your answers on this sheet to take with you and compute your grade. Answer sheets will not be returned. ________________________________________________________________________ Solubility Guidelines for Ionic Compounds in Water Soluble Exceptions NH 4 + N o n e Na + N o n e K + N o n e NO 3 - N o n e ClO 4 - N o n e C 2 H 3 O 2 - N o n e Cl - , Br - , I - Cu + , Ag + , Hg 2 2+ , and Pb 2+ compounds SO 4 2- B a 2+ , Sr 2+ , Ca 2+ , Ag + and Pb 2+ compounds Insoluble Exceptions OH - L i + , Na + , K + compounds S 2- M g 2+ ,Ca 2+ , Sr 2+ , and Ba 2+ , L i + , Na + , K + , NH 4 + compounds CO 3 2- L i + , Na + , K + , NH 4 + compounds PO 4 3- L i + , Na + , K + , NH 4 + compounds PV = nRT 11 22 12 PV T T = R = 0.0821 La tm mol K i i pH = – log[H 3 O + ] K w = 1.0 x 10 -14 = [H 3 O + ][OH ¯ ]
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Molar masses that you may find useful… NO = 30.01 g/mol PbS = 239.27 g/mol PCl 3 = 137.32 g/mol Ca 3 (PO 4 ) 2 = 310.18 g/mol Al 2 O 3 = 101.96 g/mol Ba 3 (PO 4 ) 2 = 601.93 g/mol Fe 2 O 3 = 159.7 g/mol C 6 H 12 O 6 = 180.2 g/mol Fe(NO 3 ) 3 = 241.9 g/mol Al(NO 2 ) 3 = 165.01 g/mol H 2 SO 4 = 98.12 g/mol C 8 H 18 = 114.22 g/mol CH 4 = 16.04 g/mol H 2 S = 34.09 g/mol K 3 PO 4 = 212.27 g/mol NO 2 = 46.01 g/mol H 2 O = 18.02 g/mol HNO 3 = 63.02 g/mol Ag 2 SO 4 = 311.81 g/mol AgNO 3 = 169.88 g/mol KNO 3 = 101.11 g/mol 1. Which of the following molecules/compounds has the weakest intermolecular forces? a. CF 4 b. CCl 3 H c. Br 2 d. CH 3 OH e. NF 3 2. According to the following reaction, if 2.0 mol of CO is reacted with 2.0 mol of I 2 O 5 , how many moles of CO 2 will form?
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chemfinalpdf - Chemistry 1015 Fall 2009 Final Exam A...

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