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how to derive half life formula. We will now derive a formula to get the half life from the decay constant. Half-life is the time required for the amount of something to fall to half its initial value.
After a period of one half-life t t ½ and we can write in which we express the exponential as a function in order to make it stand out more prominently Taking logarithms of both sides remember that ln e x x yields. Solving for the half-life we obtain the simple relation. Half-life is the time required for the amount of something to fall to half its initial value.
The half-life formula for various reactions is given below.
In this video I derive the expression for the half life of an elementSee my website for more. The order of the reaction or enough information to determine it. Tfrac12 0693 l tfrac12 06930002 3465. And so How to Calculate Half Life.