Exam_2_tan

Exam_2_tan - CHEMISTRY 115 Exam 2 Version B (Tan) Dr. T.R...

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Version B (Tan) CHEMISTRY 115 Exam 2 – Version B (Tan) Dr. T.R Chigwada February 22, 2007 An optical scoring machine will grade this examination. The machine is not programmed to accept the correct one of two or more sensed answers and will not sense answers that are lightly marked. Mark your sheet carefully with a No. 2 soft lead pencil and erase any undesired marks COMPLETELY . Avoid making any extraneous marks on the answer sheet other than the information mentioned below. On the answer sheet: 1. Print your name in the space for NAME (last name first, CIRCLE your last name). 2. In the space marked SUBJECT write Chem 115. 3. In the space marked TEST NO. write Exam 2. 4. In the space DATE write Spring 2007 5. In the space marked PERIOD write your instructor and section number: CHIG-003 (T, Th lecture) or CHIG-005 (M,W,F lecture). 5. Check to see that you have 20 examination questions, a periodic table, and a scantron with TAN mark in the upper right hand corner. Hand in only the SCANTRON answer sheet!! Useful Equalities N A = 6.022 x 10 23 Relax and Good Luck!!!!!
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Version B (Tan) CHEMISTRY 115 Exam 2 – Version B (Tan) CHOOSE THE ONE BEST ANSWER 1. 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? Hint: write the balanced equation for this reaction first!! A. 2.240 grams
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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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Exam_2_tan - CHEMISTRY 115 Exam 2 Version B (Tan) Dr. T.R...

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