Rates Of Reaction Flashcards
1
Q
Heat of reaction
A
Is the net change of chemical potential energy of the system
2
Q
Exothermic reactions
A
Are reactions which transform chemical potential energy into thermal energy
3
Q
Endothermic reactions
A
Are reactions which transform thermal energy into chemical potential energy
4
Q
Activation energy
A
Is the minimum energy required to start a chemical reaction
5
Q
Activated complex
A
A high energy, unstable transition state between the reactants and the products
6
Q
Reaction rate
A
Is the change in amount of concentration per unit time of either a reactant or product
7
Q
Catalyst
A
Is the substance that increases the rate of the reaction but remains unchanged at the end of the reaction
