The integrated rate law allows chemists to predict the reactantconcentration after a certain amount of time, or the time it wouldtake for a certain concentration to be reached. The integrated ratelaw for a first-order reaction is: [A]=[A]0eâkt Now say we areparticularly interested in the time it would take for theconcentration to become one-half of its initial value. Then wecould substitute [A]02 for [A] and rearrange the equation to:t1/2=0.693k This equation calculates the time required for thereactant concentration to drop to half its initial value. In otherwords, it calculates the half-life.
Part A
What is the rate constant of a first-order reaction that takes536seconds for the reactant concentration to drop to half of itsinitial value?
Express your answer with the appropriate units.
Part B
A certain first-order reaction has a rate constant of 8.90
The integrated rate law allows chemists to predict the reactantconcentration after a certain amount of time, or the time it wouldtake for a certain concentration to be reached. The integrated ratelaw for a first-order reaction is: [A]=[A]0eâkt Now say we areparticularly interested in the time it would take for theconcentration to become one-half of its initial value. Then wecould substitute [A]02 for [A] and rearrange the equation to:t1/2=0.693k This equation calculates the time required for thereactant concentration to drop to half its initial value. In otherwords, it calculates the half-life.
Part A
What is the rate constant of a first-order reaction that takes536seconds for the reactant concentration to drop to half of itsinitial value?
Express your answer with the appropriate units.
Part B
A certain first-order reaction has a rate constant of 8.90
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