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

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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 + None Na + None K + None NO 3 - None ClO 4 - None C 2 H 3 O 2 - None Cl - , Br - , I - Cu + , Ag + , Hg 2 2+ , and Pb 2+ compounds SO 4 2- Ba 2+ , Sr 2+ , Ca 2+ , Ag + and Pb 2+ compounds Insoluble Exceptions OH - Li + , Na + , K + compounds S 2- Mg 2+ ,Ca 2+ , Sr 2+ , and Ba 2+ , Li + , Na + , K + , NH 4 + compounds CO 3 2- Li + , Na + , K + , NH 4 + compounds PO 4 3- Li + , Na + , K + , NH 4 + compounds PV = nRT 1 1 2 2 1 2 P V P V T T = R = 0.0821 L atm mol K i i pH = – log[H 3 O + ] K w = 1.0 x 10 -14 = [H 3 O + ][OH ¯ ]
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