Recall that the differential rate for a first-order reaction is as follows:
We are asked to determine the rate if the concentration of the reactant decreases to one-third of its original value.
In a first-order reaction, how does the rate change if the concentration of the reactant decrease to one-third its original value?
a. The rate increases by a factor of one-third
b. The rate decreases by a factor of one-third.
c. The rate stays the same
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