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F06_114AExam1 v1

F06_114AExam1 v1 - CHM 114A Exam 1 Version 1 Practice Exam...

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CHM 114A Exam 1 Version 1 Practice Exam 1. You are responsible for the information on this page. Please read it carefully. 2. Code your name and 10 digit affiliate identification number on the separate answer sheet. Use only a #2 pencil. 3. Do all calculations on the exam pages. Do not make any unnecessary marks on the answer sheet. 4. This exam consists of 25 multiple choice questions worth 4 points each and a periodic table. Make sure you have them all. 5. Choose the best answer to each of the questions and answer it on the computer-graded answer sheet. Read all responses before making a selection. 6. A periodic table is attached as the last page to this exam. 7. Answers will be posted online this afternoon. Potentially useful information: K = ºC + 273.15 Avogadro’s Number = 6.022 × 10 23 particles/mole Copyright 2006 by Pam Marks
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\ 1. When converting 0.02560 kilograms to milligrams, which of the following is the correct answer with the correct number of significant figures? A. 2.56×10 4 mg D. 2.56×10 –6 mg B. 2.560×10 4 mg E. 2.560×10 –6 mg C. 25.60 mg 2. What is a velocity of 45 m/s in units of km/hr?
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