The First-Order Isomerization Reaction: Cyclopropane → Propene,has a Rate Constant

question 27

Multiple Choice

The first-order isomerization reaction: cyclopropane → propene,has a rate constant of 1.10 × 10^-4 s^-1 at 470°C and 5.70 × 10^-4 s^-1 at 500°C.What is the activation energy,E_a,for the reaction?

• A)46 kJ/mol
• B)110 kJ/mol
• C)260 kJ/mol
• D)380 kJ/mol

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