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CH 310M - Practice Acid-Base Homework Iverson CH310M/318M...

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Practice Acid-Base Homework Iverson CH310M/318M Do not turn in 1 Chemistry 310M Dr. Brent Iverson Practice Acid-Base Homework October 1, 2010 NAME (Print): _____________________________ SIGNATURE: _____________________________ Please print the first three letters of your last name in the three boxes
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Practice Acid-Base Homework Iverson CH310M/318M Do not turn in 2 Score: _________
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Practice Acid-Base Homework Iverson CH310M/318M Do not turn in 3 OH O O NH 2 O H-I Cl C C H H H H C C H H-Cl OH OH C C H H H I O O NH C C H H 1. (2 pts each) For the following acid base reactions, circle the side of the equation that predominates at equilibrium. + + + + + + + + resonance stabilized anion oxygen is more electronegative than nitrogen Iodine is a larger anion than chloride sp hybridized atom is better at stabilizing a negative charge 2. (4 pts each) For the following two equations, the pKa values are listed underneath each acid. Circle the side of the equation that predominates at equilibrium, and in the space provided estimate the equilibrium constant for the reaction in the direction written. pK a = 44 pK a = 25 The equilibrium constant for this process is K eq = 10 -19 weaker acid OH O O O
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