Cliffs AP Chemistry, 3rd Edition

Kinetics

Key Terms

Words that can be used as topics in essays:

activated complex

activation energy

adsorption

Arrhenius equation

catalyst (heterogeneous

or homogeneous)

chain reaction

collision model

elementary reaction (step)

enzyme

first order

half-life

integrated rate law

kinetics

molecular orientations

molecular steps (uni, bi, ter)

order of reaction

overall order

rate constant

rate-determining step

rate expression

rate of reaction

reaction mechanism

second order

steric factor

Key Concepts

Equations and relationships that you need to know:

• Reaction Order 0 1 2

Rate Law kk[A] k[A]^2

Integrated [A] = –kt+ [A] 0 ln [A] = −kt + ln [A] (^0) kt
AA
11
0
-=
Rate Law^66 @@
Relationship Between [A] 0 −[A] = kt
log.
kt
A
A
(^10230)
(^0) =
6
6
@
@ kt
AA
11
0
-=
Concentration and Time^66 @@
Half-life
A
2 k
6@ (^0) 0.693/k 1/k[A] 0
Linear Plot [A] vs. t log [A] vs. t 1/[A] vs. t
Slope −k −kk