The Rate Constant for the First-Order Decomposition of a Particular $\times$

question 72

Multiple Choice

The rate constant for the first-order decomposition of a particular hydrocarbon is 1.85 $\times$ 10^-6 s^-1 at 485 K.If the activation energy is 84.0 kJ/mol,what is the value of the frequency factor at this temperature?

• A)4.85 \(\times\)10^-4 s^-1
• B)1.11 \(\times\)10⁹ s^-1
• C)2.2\(\times\)10¹ s^-1
• D)2.06 \(\times\)10³ s^-1
• E)1.81 \(\times\)10^-6 s^-1

---

Definitions:

Projection Area

A region of the brain where neurons process sensory information received from the external environment.

Epileptic Attack

A sudden surge of electrical activity in the brain leading to symptoms that may include convulsions, sensory disturbances, or loss of consciousness.

Corpus Callosum

A large band of neural fibers connecting the two hemispheres of the brain, facilitating inter-hemispheric communication.

Hemispheres

Hemispheres refer to either of the two halves of the brain, each responsible for controlling different functions and activities.