Dinitrogen Tetraoxide,N₂O₄,decomposes to Nitrogen Dioxide,NO₂,in a First-Order Process $\times$ 10³ S^-1 at -5°C and K = 3

question 66

Multiple Choice

Dinitrogen tetraoxide,N₂O₄,decomposes to nitrogen dioxide,NO₂,in a first-order process.If k = 2.5 $\times$ 10³ s^-1 at -5°C and k = 3.5 $\times$ 10⁴ s^-1 at 25°C,what is the activation energy for the decomposition?

• A)0.73 kJ/mol
• B)58 kJ/mol
• C)140 kJ/mol
• D)580 kJ/mol
• E)> 1000 kJ/mol

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Definitions:

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