Ch.13 Vocab Flashcards
The energy change that accompanies a chemical reaction
Change in Enthalpy
The energy required to break a bond
Bond energy
The /\H of a formation reaction
Enthalpy of formation
A diagram that shows the energy of the reactants, intermediate state, and products in a chemical reaction
Energy diagram
A complex formed in the process of a chemical reaction when the reactants and products are interacting
Intermediate State
Another name for the intermediate state of a chemical reaction
Activated Complex
The energy necessary to start a chemical reaction
Activation Energy
A measure of the disorder that exists in any system
Entropy
The entropy of the universe must always either increase or remain the same. It can never decrease
The Second Law of Thermodynamics