CH 121 Exam 1 F08

CH 121 Exam 1 F08 - Chemistry 121 Exam 1 Fall 2008 Oregon...

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Chemistry 121 Fall 2008 Oregon State University Exam 1 October 23, 2008 Dr. Richard Nafshun 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 test form number (listed above), last name, first name, middle initial, and student identification number. Leave the class section number and the test form number blank. This exam consists of 25 multiple-choice questions. Each question has four 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 and note card in the appropriate stacks. You may keep the exam packet, so please show your work and mark the answers you selected on it. 1 inch = 2.54 cm (exact) 10 dm = 1 m 100 cm = 1 m 1000 mm = 1 m 1000 m = 1 km 10 mm = 1 cm 1 mole (N A ) = 6.022 x 10 23 1000 mL = 1 L Periodic Table of the Elements Provided Here
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1. A student measures the mass of a sample of aluminum oxide to be 0.02030 mg. (A) There are six significant figures in this measured quantity. (B) There are five significant figures in this measured quantity. (C) There are four significant figures in this measured quantity. (D)
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CH 121 Exam 1 F08 - Chemistry 121 Exam 1 Fall 2008 Oregon...

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