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reaction rate formulas
reaction rate formulas
12
Chemistry
Undergraduate 1
02/16/2009
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Term
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d[A]/[A]
 Definition
-kdt
Term
ln[A] = -kt + ln[A]*
 Definition
1st order integrated rate law


used to find [A] at some time t
Term
plot ln[A] vs t
 Definition
1st order

slope = -k
Term
t(1/2)=0.693/k
 Definition
half life eqtn - 1st order
Term
[A] = [A]*e^-kt
 Definition
to find [A] at time t
Term
1/[A] = kt + 1/[A]*
 Definition
2nd order integrated rate law
Term
plot 1/[A] vs time
 Definition
2nd order straight line

slope = k
Term
t(1/2) = 1/k[A]*
 Definition
2nd order half life
Term
rate = k
 Definition
zero order rate law
Term
[A] = -kt + [A]*
 Definition
zero order integrated rate law
Term
plot [A] vs time
 Definition
zero order straight line
slope = -k
Term
t(1/2) = [A]*/2k
 Definition
zero order half life
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