Lesson_28_-_Example_Solutions__2009_

# Lesson_28_-_Example_Solutions__2009_ - Lesson 28 Example...

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Lesson 28 Example 28-1 Consider the reaction O + O 3 2 O 2 If E a = 19.1 kJ/mol and k = 5.1 x 10 6 L/mol.s at 25 o C, calculate k at 100 o C. ____________________________________________________________________________________________ Solution: The parameter A is not given. Instead of solving for it, let’s develop another useful form of Arrhenius equation: 1

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Lesson 28 - = - = - = - - = - = - = 2 1 a 1 2 2 1 a 2 a 1 a 1 a 2 a 1 2 2 a 2 1 a 1 T 1 T 1 R E k k ln or T 1 T 1 R E exp RT E RT E exp RT E exp RT E exp k k RT E exp A k RT E exp A k 2
Lesson 28 For this particular case: s mol L 10 x 4 . 2 K 373 1 K 298 1 K . mol / J 315 . 8 mol / J 100 , 19 exp s mol L 10 x 1 . 5 k 7 6 2 = - = 3

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Lesson_28_-_Example_Solutions__2009_ - Lesson 28 Example...

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