The Rate Constant for a First-Order Reaction Is 1 $\times$ 10^-2 S^-1 at 716 K and 5

question 67

Multiple Choice

The rate constant for a first-order reaction is 1.4 $\times$ 10^-2 s^-1 at 716 K and 5.5 $\times$ 10^-2 s^-1 at 864 K.What is the activation energy? (R = 8.314 J/K.mol)

• A) 27 kJ/mol
• B) 21 kJ/mol
• C) 47 kJ/mol
• D) 5700 kJ/mol
• E) 48 kJ/mol

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