C072_Mid_Term_Exam_2_Practice_Ver._3

C072_Mid_Term_Exam_2_Practice_Ver._3 - C072 Mid Term...

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C072 Mid Term Examination 2 Practice (Version 2) Temple University C072 General Chemistry II Scovill Spring 2007 Instructions 1. Write your name on the cover of the Blue Book in the space provided. 2. Put your TU id number next to your name. 3. Put your class number in the upper right corner of your Bluebook. 4. Put the version number of the exam in the upper left corner of the Blue Book. 5. Put all the work you want graded in the Bluebook. Do not turn in this test pamphlet. 6. Put the solutions into your Blue Book in the same order they are one the exam. 7. Use at least a whole page of your Blue Book per problem. 8. Show all of your work. Zeroeth Order First Order Second Order Rate Law Integrated Rate Law Units of Rate Constant, k Linear Plot to Determine Order and k Half-Life
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1. (20) Acetic acid, CH 3 COOH, is a weak acid with a K a of 4.76 X 10 -5 . a. Write a chemical equation for the ionization of acetic acid in water. b. Write the mass action expression for the ionization of acetic acid in water. c. Calculate the concentration of [H + ], [CH 3 CO 2 H], and [CH 3 COO - ] that result when one mole of acetic acid is dissolved in a liter of water. 2. (20) Hydrofluoric acid, HF, is a weak acid with K a = 6.8 X 10 -4 . Acetic acid, CH 3 COOH, is a weak acid with a K a of 4.76X10 -5 . Provide the mass action for the reaction depicted below and calculate
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This note was uploaded on 04/18/2008 for the course CHEM 1034 taught by Professor Devicaris during the Spring '08 term at Temple.

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C072_Mid_Term_Exam_2_Practice_Ver._3 - C072 Mid Term...

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