Half-Life and graphs

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Last updated 1:32 PM on 6/6/26

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half life definition

time taken for concentration to reduce by half

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Calculating k for first order half life

1st order = constant half life

1) tangent/ graph = first order is gradient.

k= rate/conc

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working out k for other orders

zero= k=y intercept

first order = k=gradient

second order= k cant be determined

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equation for k (first order)

equation=

k= ln2/T1/2 (HALF LIFE)