Rates of Reaction Flashcards
1
Q
Activation Energy
A
The energy required to form the activated complex
2
Q
Activated complex
A
A high energy, unstable, temporary transition state between the reactants and products
3
Q
Exothermic reactions
A
Reactions which transform chemical potential energy into thermal energy
4
Q
Heat of reaction (∆H)
A
The net change of chemical potential energy of the system
5
Q
Endothermic reactions
A
Reactions which transform thermal energy into chemical potential energy
6
Q
Catalyst
A
A substance that increases the rate of the reaction but remains unchanged at the end of the reaction
7
Q
Reaction Rate
A
The change in concentration per unit time of either a reactant or product
