Rates Flashcards
1
Q
Activation energy
A
Minimum energy required to start a chemical reaction or the energy required to form activation complex
2
Q
Activation complex
A
A high energy unstable temporary transition state between the reactants and the products
3
Q
A catalyst
A
A substance that increases the rate of a chemical reaction but remains unchanged add at the end of the reaction
4
Q
Reaction rate of a chemical reaction
A
Changing concentration per unit time of either a reactant or product
5
Q
Heat of reaction
A
The net change of chemical potential energy of the system
6
Q
Exothermic reaction
A
Reactions which transform chemical potential energy into thermal energy
7
Q
Endothermic reaction
A
Reactions which transform thermal energy into chemical potential energy
