Chapter 4 - The Study Of Chemical Reactions

Question 1

Initiation step generates _____ from ______

Answer 1

Radial intermediate, non-radical reactants

Question 2

Propagation step produces ________ from __________

Answer 2

Radical intermediate, radical intermediate

Question 3

Termination step produces _____ from ______

Answer 3

Non-radical products, radical reactants

Question 4

Delta G (Gibbs free energy) =

Answer 4

(Energy of products) - (Energy of reactants)

Question 5

Exothermic reactions have ______ delta H because energy is _____

Answer 5

Negative, released

Question 6

Endothermic reactions have ____ delta H because heat is _____

Answer 6

Positive, absorbed

Question 7

Reactions favor products with the _______

Answer 7

Lowest enthalpy

Question 8

Entropy is the change in __________

Answer 8

Randomness, disorder, or freedom of movement

Question 9

Spontaneous reaction _____ disorder and _____ enthalpy

Answer 9

Maximize, minimize

Question 10

Breaking bonds ______ energy

Answer 10

Requires

Question 11

Making bonds ______ energy

Answer 11

Releases