Half-Life and graphs
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4 Terms
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half life definition
time taken for concentration to reduce by half
2
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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
3
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working out k for other orders
zero= k=y intercept
first order = k=gradient
second order= k cant be determined
4
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equation for k (first order)
equation=
k= ln2/T1/2 (HALF LIFE)
Note 
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