Sample Exam (2003) - Name Student number VERSION 1 Page 1...

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Name: Student number: Page 1 of 24 Chemistry 1A03/1E03 VERSION 1 DURATION OF EXAMINATION: 3 hours INSTRUCTORS: M. Austen, J. Barbier, R. Dumont, P. Lock, C. Paige MCMASTER UNVERSITY FINAL EXAMINATION December, 2003 THIS EXAMINATION CONTAINS 24 NUMBERED PAGES. THERE ARE 36 MULTIPLE-CHOICE QUESTIONS appearing on pages numbered 3 to 20, some useful data are given on page 23 and a periodic table on page 24. Pages 21 and 22 are for rough work. You may tear off the last page to view the periodic table and the data sheet. Question 1 identifies the version of the test you are writing. Be sure to answer this question correctly. Questions 2 to 29 are each worth 2 marks, questions 30 – 36 are each worth 3 marks; the total marks available are 77. There is no additional penalty for incorrect answers. YOU ARE RESPONSIBLE FOR ENSURING THAT YOUR COPY OF THE QUESTION PAPER IS COMPLETE. BRING ANY DISCREPANCY TO THE ATTENTION OF YOUR INVIGILATOR. ANSWER ALL QUESTIONS ON THE ANSWER SHEET PROVIDED. These question sheets must be returned with your answers. However, no work written on the question sheets will be marked. Instructions for entering multiple-choice answers are given on page 2. Select one answer in each question from the answers (A) through (E). Your answers to all questions must be entered onto THE ANSWER SHEET IN PENCIL . Enter one and only one answer for each question. ONLY CASIO FX 991 ELECTRONIC CALCULATORS MAY BE USED; but they must NOT be transferred between students. Use of periodic tables, other than the table on page 24, is not allowed. Continued on next page…
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Name: Student number: Page 2 of 24 Any questions not relevant to Chem 1A03 Fall 2008 have been covered up, to prevent confusion. Please note blank pages when printing. Exam answers will not be posted, but you are welcome to discuss them in WebCT bulletin board or in office hours/help centre. 1. You are writing version 1 of the exam. Please choose bubble 1 (A) for question 1. Questions 2 - 29 are worth 2 marks each. 2. Which one reaction is not an acid-base reaction?: (A) NaH 2 PO 4 (aq) + Li 2 CO 3 (aq) Æ Na + (aq) + HPO 4 2- (aq) + 2 Li + (aq) + HCO 3 - (aq) (B) KHCO 3 (aq) + KOH(aq) Æ K 2 CO 3 (aq) + H 2 O(l) (C) BaO(s) + 2HCl(aq) Æ BaCl 2 (aq) + H 2 O(l) (D) CH 3 COOH(aq) + H 2 O(l) Æ CH 3 COO - (aq) + H 3 O + (aq) (E) Ag(s) + 2 HNO 3 (aq) Æ AgNO 3 (aq) + NO 2 (g) + H 2 O(l) 3. Consider the following thermochemical data: 2 NO(g) + O 2 (g) Æ 2 NO 2 (g) Δ = -113.0 kJ Δ H f º[NO 2 (g)] = 33.9 kJ/mol What is Δ H f º[NO(g)]? (A) -180.8 kJ/mol (B) +146.9 kJ/mol (C) +90.4 kJ/mol (D) +73.5 kJ/mol (A) -73.5 kJ/mol Continued on next page…
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Name: Student number: Page 3 of 24 5. Which of the following statements is FALSE ? (A) [He]2s 2 is the electron configuration of the ground state of a Be atom. (B) [Ar]5s 2 is the electron configuration of an excited state of a Ca atom. (C) [He]2s 2 2p 5 is the electron configuration of the ground state of a F atom (D) Nitrogen atoms in their ground state are paramagnetic.
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This note was uploaded on 03/11/2012 for the course SCIENCE Various taught by Professor Various during the Fall '12 term at McMaster University.

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Sample Exam (2003) - Name Student number VERSION 1 Page 1...

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