winter_2005_term_test - University of Waterloo DEPARTMENT...

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Name (Print clearly): _______________________________________________________________ First name Last name Student Number: Signature: Aids Allowed: Electronic Calculator. No laptop, notebook or handheld computers allowed. Time Allowed: 50 minutes Instructions: 1. The instructors’ names and section numbers are given below. Circle your instructor’s name and section number now. K. Walker section 001 8:30 am M. Barra Section 002 9:30 am G. Dmitrienko Section 003 11:30 am C. Bissonnette Section 004 10:30 am 2. This test booklet has 12 questions and 8 pages (including this Cover Page and the Data Sheet). If pages are missing, raise your hand and ask for a new test booklet. 3. Each question is worth three (3) marks. Part marks may be awarded. 4. Work out your answer to each question in the space provided. If you need extra space, use the back of the preceding page. Write your final answer in the answer box. 5. Do all rough work on this test booklet. Scrap paper is not permitted. 6. At the end of the test, turn in this test booklet and the data sheet and then leave immediately . Note: The last page is a DATA SHEET . You may tear it off. Return the Data Sheet with your test booklet. University of Waterloo DEPARTMENT OF CHEMISTRY CHEM 123 - Term Test Wednesday, February 16, 2005 Do not write in this box. 1. 4. 7. 10. 2. 5. 8. 11. 3. 6. 9. 12. Total (out of 36):
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CHEM 123 (Winter 2005) Term Test Page 2 of 8 1. Consider the phase diagram below for compound X and then answer the questions that follow. The triple point is 25ºC and 0.50 atm, and the critical point is 22ºC and 21 atm. 2. Consider the compounds H 2 S, H 2 O, CCl 4 , KCl and C 2 H 2 . Answer the following questions. (1 mark each) True (T) or False (F)? At 25ºC and 1 atm, X is a liquid. F True (T) or False (F)? X( g ) can be liquified at 30 o C by increasing the pressure.
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