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

---

Definitions:

Days

Units of time equal to 24 hours, representing the time it takes for Earth to complete one full rotation on its axis.

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, reduced sensory activity, and inhibited voluntary muscle activity.

Death

The cessation of all biological functions that sustain a living organism, marking the end of life.

Days

Units of time equivalent to 24 hours, representing the approximate period it takes for the Earth to complete one rotation on its axis.