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Past Exam for CHEM 113 with DeVoe at Maryland (UMD)

Exam Information

Material Type:Exam 1
Professor:DeVoe
Class:CHEM 113
Subject:Chemistry
University:University of Maryland
Term:Spring 2000
Keywords:
  • Naoh Solution
  • Temperature
  • Concentration
  • Determination
  • Nitrous Acid
  • Hydrochloric Acid
  • Aqueous Solution
  • Short Answers
  • Standardized
  • Strong Acid
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Sample Document Text

. CHEM 113, Section 41 (DeVoe) Exam 1 March 1, 2000 YOUR NAME (printed) ________ _ ..... Circle the name of your T A: Akshaya Gencay Natasha Nixon Noble Xinguang This exam has a total of 100 points. Please make sure you have all five pages. Do not write in this space 1. ___ /10 2. _----,19 3. __ /4 4. _-----'/10 5. ___ 115 6. __ /9 7. ___ IS 8. __ .112 9. _----'116 10. _----,11 0 TOTAL _____ 11 00 PART I. Short answers. Only the answers written on the lines or in the spaces will be graded; setups in Part I will be ignored. 1. The initial rate of a reaction, A + B ~ C + D, was measured using different initial concentrations of A and B. Results are summarized in the table below: Expt. [A] [B] Initial rate 0.10 M 0.10 M 2.2 x 10- 3 M s-1 2 0.20 M 0.10 M 8.8 x 10- 3 M s-1 3 0.10 M 0.20 M 4.4 x 10- 3 M s-1 (a) (4 pts) Give the values of the constants m and n in the rate equation, rate = k[A]m[B]n: m= n= (b) (6 pts) Write the value, with units, of the rate ...

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