Practiceproblems7 - 51A Practice Problems 7 Fall, 2010 1....

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51A Practice Problems 7 Fall, 2010 1. Using the values in Table 6.2 to calculate ± H for the following reaction: CH 3 CH 2 CH 3 + Br 2 CH 3 CHCH 3 Br + HBr a. Is this an oxidation/reduction reaction? b. Is this an addition, substitution, or elimination reaction? 2. Use double headed arrows or fish-hook arrows to show the movement of electrons in the following reactions: O C H 3 C CH 3 Cl C H 3 CC H 3 O a. b. + Br 2 Br + Br c. CH 3 CH 2 CH 2 Cl CH 3 CH 2 CH 2 SH + Cl HS 3. Calculate the E a for the conversion of C ² B. E a (A ² B) = +10 kcal E a (B ² C) = +4 kcal ± H ° (A ² B) = +8 kcal ± H ° (B ² C) = -5 kcal What is the rate determining step for this reaction?
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4. The K EQUILIBRIUM
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Practiceproblems7 - 51A Practice Problems 7 Fall, 2010 1....

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