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

question 38

Multiple Choice

The rate constant at 366 K for a first-order reaction is 7.7 $\times$ 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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