Section 13.3- Transition States and Energy Changes

Question 1

what goes on in the arrow region (yield sign) of an equation is stated by the’

model that takes a closer look at the process of two molecules reacting

Answer 1

transition-state theory

Question 2

a short-lived, high-energy, unstable arrangement of atoms is known as an

Answer 2

activated complex or transition state

Question 3

an activated does not want

Answer 3

to stay in the activated complex form

Question 4

the type of process described with transition state is often represented by a

Answer 4

reaction profile or
POTENTIAL ENERGY DIAGRAM

Question 5

the vertical axis on a PED represents the

Answer 5

potential energy of the substances involved in the reaction

Question 6

the horizontal axis on a PED represents

Answer 6

progress of reaction

Question 7

the difference in the amount of energy contained by the reactants and that are contained by the products is

Answer 7

enthalpy of reaction (delta H)

Question 8

a negative delta H is

Answer 8

exothermic reaction

Question 9

a positive delta H is

Answer 9

endothermic reaction

Question 10

reaction that may go either direction are

Answer 10

reversible reactions

Question 11

it is easier to have an _________________ reaction

Answer 11

exothermic