In a first-order reaction, if the concentration of the reactant is halved, what

In a first-order reaction, if the concentration of the reactant is halved, what happens to the half-life?

In a first-order reaction, if the concentration of the reactant is halved, what happens to the half-life?

Step 1: Understand what a first-order reaction is. In a first-order reaction, the rate of the reaction depends on the concentration of one reactant.
Step 2: Learn about half-life. The half-life is the time it takes for half of the reactant to be used up in the reaction.
Step 3: Note that in a first-order reaction, the formula for half-life is constant and does not change with concentration.
Step 4: Realize that if you halve the concentration of the reactant, the half-life remains the same because it is independent of concentration.

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