The Rate Constant at 366 K for a First-Order Reaction

question 52

Multiple Choice

The rate constant at 366 K for a first-order reaction is 7.7 × 10^-3 s^-1 and the activation energy is 15.9 kJ/mol.What is the value of the frequency factor,A,in the Arrhenius equation? (R = 8.314 J/K⋅mol)

• A) 0.0047 s^-1
• B) 0.70 s^-1
• C) 0.93 s^-1
• D) 1.1 s^-1
• E) 1.4 s^-1

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Definitions:

Lead Time

The time interval between the initiation and completion of a process, such as the period from ordering to receiving goods.

Free Float

In project management, the amount of time that a project task can be delayed without causing a delay to subsequent tasks or the project's overall deadline.

Current Schedule

The latest version of the project schedule, reflecting all known updates, changes, and progress.

Contingency Time

Additional time allocated within a project schedule to account for potential unforeseen delays.