C102Midterm1A2010.key

C102Midterm1A2010.ke - NAME_KEY Student No Section(circle one A01(Briggs 8:30 am A02(Codding A03(Briggs 9:30 am UNIVERSITY OF VICTORIA Version A

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NAME ____________ KEY _________________________________ Student No. ______________ Section (circle one ): A01 (Briggs, 8:30 am) A02 (Codding) A03 (Briggs, 9:30 am) Version A UNIVERSITY OF VICTORIA CHEMISTRY 102 Term Test I – February 5, 2010 Version A This test has two parts: (A Data Sheet is provided with the exam.) PART I is a multiple choice examination and is worth 26 marks. The answers for the 14 questions in this part must be coded on the optical sense form using a soft leaded pencil. PART II has written answer questions and is on the last 3 pages and is worth 24 marks. Answer these questions on this examination paper. Part II Score Exam results Score 1 [8 marks] Part I [26 marks] 2 [5 marks] Part II [24 marks] 3 [4 marks] Total score [50 marks] 4 [4 marks] Percent score 5. [3 marks] Hand in this entire test paper as well as your optical sense form at the end of the examination period (60 minutes) PART I – Multiple Choice. Select the best response from the choice provided. Mark only one response for each question. 1. This is exam version A . Mark "A" as the answer to question 1. 2. To increase the volume of a fixed amount of gas from 100 mL to 200 mL A. increase the temperature from 25.0 to 50.0 °C at constant pressure B. increase the pressure from 1.00 to 2.00 atm at constant temperature C. reduce the temperature from 400 K to 200 K at constant pressure D. reduce the pressure from 608 mm Hg to 0.40 atm at constant temperature E. decrease the temperature from 600 K to 400 K.
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Chem 102, Midterm 1 Version A page 2 of 7 3. Of the following gases, which ONE has the greatest density at standard temperature and pressure? A. CH 4 B. NH 3 C. Ne D. H 2 E. He 4. The addition of 2.0 g He(g) at 25 C to a fixed-volume vessel of 10.0 L that already contains O 2 (g) at a temperature of 25 °C and a pressure of 0.974 atm will: A. have no effect on the final gas pressure B. cause the final pressure to exceed 2 atm C. produce a 20% increase in gas pressure D. bring the final pressure to just slightly less than 1.0 atm E. cause the final pressure to exceed 4 atm 5. If 1.0 L of CO 2 (g) is compared to 1.0 L of H 2 (g), when both samples at a temperature of 25 °C and one atmosphere pressure, then: A. the CO 2 and H 2 molecules have the same average speed B. there are more H 2 molecules than there are CO 2 molecules C. the average kinetic energy of the CO 2 molecules is greater than that of the H 2 molecules D. the CO 2 molecules are, on average, moving more slowly than the H 2 molecules E. the mass of the one litre sample of CO 2 equals the mass of the one litre sample of H 2 6. Which ONE of the following assumptions is NOT used to explain the ideal gas law? A.
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This note was uploaded on 01/15/2011 for the course CHEM 102 taught by Professor Briggs during the Spring '08 term at University of Victoria.

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C102Midterm1A2010.ke - NAME_KEY Student No Section(circle one A01(Briggs 8:30 am A02(Codding A03(Briggs 9:30 am UNIVERSITY OF VICTORIA Version A

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