Question: At 25 C, the half-life of a certain first-order reaction is 251 s. Part A What is the value of the rate constant at

$At ( 25^{circ} mathrm{C} ), the half-life of a certain first-order reaction is ( 251 mathrm{~s} ).$

What is the value of the rate constant at this temperature?

At 25 C, the half-life of a certain first-order reaction is 251 s. Part A What is the value of the rate constant at this temperature? k= Submit 15. G Request Answer PHARE ? s

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