A Second-Order Reaction Has a Half-Life of 18 S When

question 59

Multiple Choice

A second-order reaction has a half-life of 18 s when the initial concentration of reactant is 0.71 M.The rate constant for this reaction is ________ M^-1s^-1.

• A)7.8 × 10^-2
• B)3.8 × 10^-2
• C)2.0 × 10^-2
• D)1.3
• E)18

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