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anonymous
 one year ago
A chemical reaction of the general type
A>2B
is firstorder. with a rate constant of
1.52x104s1.
A. Calculate the halflife of A.
B.Assuming the initial concentration of A is 0.067mol L1, calculate the time needed for the concentration to fall to 0.010mol L1.
anonymous
 one year ago
A chemical reaction of the general type A>2B is firstorder. with a rate constant of 1.52x104s1. A. Calculate the halflife of A. B.Assuming the initial concentration of A is 0.067mol L1, calculate the time needed for the concentration to fall to 0.010mol L1.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A. the half life for a first order reaction is independent of the initial concentration of A and respond at the formula t1/2= 0.693/k k= rate constant B. use the integrated equation for the first order reaction ln [A]f = k t + ln [A]o isolate t = time has to be ~ 2.5 halflifes
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