Answer:-
In chemistry, the half-life equation helps calculate the time it takes for half of a substance to decay or react. For first-order reactions, the formula is: t?/? = 0.693 / k, where t?/? is the half-life and k is the rate constant. This means the half-life is constant and doesn’t depend on the initial concentration. It’s commonly used in radioactive decay and pharmacokinetics. For other reaction orders, the half-life formula changes. Understanding this concept is important for predicting how long a substance will remain active or detectable in a system. It’s a key concept in chemical kinetics.
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