Section 13.5- Reaction Mechanisms

Question 1

steps a chemical reaction goes through in order to be successful

Answer 1

reaction mechanism

Question 2

steps which each represent a single molecular collision are called

Answer 2

elementary reactions

Question 3

the rate-determining step is the

Answer 3

slowest step

Question 4

the overall rate depends on the ______________________ in a series of steps

Answer 4

slowest step

Question 5

the __________________________ cannot be used to predict either the rate or the mechanism of a reaction except in rare cases

Answer 5

balanced net equation

Question 6

when one of the products of a reaction reacts again with something else and so on

Answer 6

chain reaction

Question 7

3 types of steps in a chain reaction

Answer 7

1. chain-initiating step
2. chain-propagating steps
3. chain-terminating steps

Question 8

the rate of a chemical reaction can often be described by a ________________, an equation that relates the reaction rate to the concentrations of the reactants

Answer 8

rate law

Question 9

equation for the rate law

Answer 9

rate = k[A]^x[B]^y…

Question 10

in the rate law equation, the x and y exponents are usually small integers, and k is a proportionality constant called the

Answer 10

rate constant

Question 11

the rate law depends only on the_______________________, not the stoichiometry

Answer 11

mechanism of the reaction

Question 12

the rate law of an ELEMENTARY reaction can be determined from the reaction’s

Answer 12

stoichiometry