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how to derive half life formula. To do this we are looking for a time t 12 in which This final equation shows the relationship between t 12 and the elimination rate constant. Using this equation we can determine when half of the drug has left the body which is also known as the half-life of the drug.
However the half-life can be calculated from the decay constant as follows. Age half-life y 1 log 2 Thats really all there is to it. Using this equation we can determine when half of the drug has left the body which is also known as the half-life of the drug.
Which tells us that the half-life of a first-order reaction is a constant.
In this video I derive the expression for the half life of an elementSee my website for more. The half-life formula for various reactions is given below. Consequently the half life equation becomes. And so How to Calculate Half Life.