lecture5_022507 - E a = 43.5 kJ/mol Time = 2.05 hrs...

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Reaction orders Which graph best describes the following reaction if it is first order in N 2 O 4 ? N 2 O 4 (g) 2NO 2 (g) Answer: C
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Activation Energy At room temperature (20 °C), fresh milk goes sour in 64 hours. At 3 °C, milk sours at 192 hours. a) What is the activation energy for milk souring? b) How long will it take to sour milk at 40 °C?
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Unformatted text preview: E a = 43.5 kJ/mol Time = 2.05 hrs Catalysts Which of the following is true of a catalyst? 1. It changes the equilibrium constant 2. It speeds up only the rate of the forward reaction 3. It is consumed in the course of the reaction 4. It lowers the activation energy for a reaction...
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lecture5_022507 - E a = 43.5 kJ/mol Time = 2.05 hrs...

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