The Activation Energy for the Following First-Order Reaction Is 102

question 65

Multiple Choice

The activation energy for the following first-order reaction is 102 kJ/mol. N₂O₅(g) → 2NO₂(g) + (1/2) O₂(g)
The value of the rate constant (k) is 1.35 × 10^-4 s^-1 at 35°C. What is the value of k at 0°C? (R = 8.314 J/mol• K)

• A) 8.2 × 10^-7 s^-1
• B) 1.9 × 10^-5 s^-1
• C) 4.2 × 10^-5 s^-1
• D) 2.2 × 10^-2 s^-1
• E) 1.2 × 10⁶s^-1

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