**Chapter 15 Chemical Kinetics Key Terms**

kinetics

thermodynamics

reaction rate

instantaneous rate

rate equation

rate constant

order

overall order

method of initial rates

integrated rate equation

zero-order

first-order

second-order

half-life

collision theory

activation energy

Arrhenius equation

reaction Intermediate

catalyst

homogeneous catalyst

heterogeneous catalyst

mechanism

single step

elementary step

molecularity

unimolecular

bimolecular

termolecular

rate determining step

steady state approximation