in a first order reaction 35% of the reactant was converted in 75 minuets at 22 c .The half life is 30mins.
The length of time required for the concentration of the reactants to drop to half its original amount is defined as the half-life of a process. A variable linked to the reaction's time constant is the half-life of the first-order reaction: t 1/2 = 0.693/k. A first-order reaction is a chemical reaction that occurs when the rate at which it occurs is linearly related with the amount of just one reagent. In other terms, a first-order reaction is a reaction where only a single reactants' levels changes and the rate of reaction alters as a result. A first-order method is a reaction of chemical process wherein the amount of just one reactant determines the overall reaction rate.
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