Thermochemistry Flashcards
1
Q
Temperature
A
The average kinetic energy of the particles of which matter consists
2
Q
Heat of the reaction
A
The net change of chemical potential energy of a system during a chemical reaction, measured in kJ.mol-1
3
Q
Exothermic reaction
A
A chemical reaction that transfers chemical potential into thermal energy
4
Q
Endothermic reaction
A
A chemical reaction that transfers thermal energy into chemical potential energy
5
Q
Activated complex
A
A high energy, unstable, temporary transition state between the reactants and the products
6
Q
Activation energy
A
The minimum energy required to start a chemical reaction
7
Q
Catalyst
A
A substance that increases the rate of reaction but remains unchanged at the end of the reaction
