Homework 10-problems - hernandez (ah29758) Homework 10...

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Unformatted text preview: hernandez (ah29758) Homework 10 sutcliffe (51045) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points NOTE In this question you must consider the 1/a term mentioned in class. Consider the reaction below. Which of the following is a correct expression of the rate? 1 2 S 8 ( s ) + 3 O 2 ( g )- 2 SO 3 ( g ) 1.- [SO 3 ] 2 t 2. 2 [SO 3 ] t 3.- 4 [S 8 ] t 4.- [O 2 ] 3 t 5. [O 2 ] 3 t 002 10.0 points Consider the concentration-time dependence graph for two first-order reactions. [A] Molar Concentration of Reactant Concentration- Time- Which reaction has the larger rate con- stant? 1. the reaction represented by the upper curve 2. the reaction represented by the lower curve 3. Unable to determine 003 (part 1 of 2) 10.0 points For BOTH the next questions you MUST consider the 1/a term in the rate equation for species A, etc. A unique rate means average rate taking into account the stoi- chiometric coefficients. In the reaction 3 ClO (aq) 2 Cl (aq) + ClO 3 (aq) the rate of reaction of Cl is 3 . 6 mol L min . What is the rate of reaction of ClO ? 1. 5 . 4 mol L min 2. 1 . 8 mol L min 3. . 9 mol L min 4. 2 . 7 mol L min 5. 10 . 8 mol L min 004 (part 2 of 2) 10.0 points What is the unique rate of the reaction? 1. 10 . 8 mol L min 2. . 9 mol L min 3. 2 . 7 mol L min 4. 1 . 8 mol L min 5. 5 . 4 mol L min 005 10.0 points If the rate of reaction increases by a factor of 2.3 when the concentration of reactant in- creases by a factor of 1.5, what is the order ofcreases by a factor of 1....
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This note was uploaded on 11/17/2011 for the course CH 302 taught by Professor Holcombe during the Spring '07 term at University of Texas at Austin.

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Homework 10-problems - hernandez (ah29758) Homework 10...

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