Exam-2007 - Name Student Version 1 Page 1 CHEMISTRY 1E03 17...

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Name ____________________________ Student # ________________________ Version 1 Page 1 CHEMISTRY 1E03 17 DECEMBER 2007 McMASTER UNIVERSITY - FINAL EXMINATION DURATION: 3 HOURS Instructors: J. Barbier and R. S. Dumont This examination contains 20 numbered pages and 35 multiple-choice questions . The last pages include three blank pages for rough work, one page with useful data and equations, and one page with a Periodic Table. These pages can be torn off. You are responsible for ensuring that your copy of the question paper is complete . Bring any discrepancy to the attention of your invigilator . Make sure to enter the correct version number of your test (shown at the bottom of each page) in the correct column on the answer sheet (see instructions on page 2). Questions 1-25 are each worth 2 marks, questions 26–35 are each worth 3 marks . The total marks available are 80. There is no penalty for incorrect answers. These question sheets must be returned with your answer sheet. However, no work written on the question sheets will be marked . You must enter your full name and student number on this question sheet, as well as on the answer sheet. Your invigilator will be checking your student card for identification. Answer all questions on the answer sheet, in pencil . Instructions for entering multiple-choice answers are given on page 2. Select one answer for each question from the choices (A) through (E). Only Casio FX 991 electronic calculators may be used; but they must NOT be transferred between students. Use of periodic tables or any aids other than those provided, is not allowed. Do not make contact with other students directly. Try to keep your eyes on your own paper – looking around the room may be interpreted as an attempt to copy. Academic dishonesty may include, among other actions, communication of any kind (verbal, visual, etc.) between students, sharing of materials between students, copying or looking at other students’ work.
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Name ____________________________ Student # ________________________ Version 1 Page 2 QUESTIONS 1–25 ARE WORTH 2 MARKS EACH. 1. Which of the following statements is FALSE ? A) NH 3 is the Bronsted base conjugate to NH 2 . B) H 2 (g) is produced when Cs(s) is added to water. C) Br 2 can oxidize I . D) CO 2 reacts with water to form the weak acid, H 2 CO 3 . E) Elemental phosphorus can act as a reducing agent. 2. Dissolving 3.00 g of LiCl in 200 mL of pure water (density = 1.00 g mL ¹) causes the temperature of the water to increase from 20.00 to 23.15 °C. What is the enthalpy of dissolution of LiCl (in kJ mol ¹) ? Assumethat the specific heat capacity of the final solution (in units of J K  g  equals that of pure water. A)
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Exam-2007 - Name Student Version 1 Page 1 CHEMISTRY 1E03 17...

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