Thermochemistry Flashcards
0
Q
bond energy
A
the amount of energy required to break a bond in one mole of the molecules in which the bond is formed
measured in kJ.mol^-1
1
Q
temperature
A
the average kinetic energy of the particles of a substance
2
Q
activated complex
A
a temporary transition state between the reactants and the products
3
Q
activation energy
A
the minimum energy required to start a chemical reaction.
4
Q
exothermic reaction
A
a chemical reaction that transfers chemical potential energy into thermal energhy
5
Q
endothermic reaction
A
a chemical reaction that transfers thermal energy into chemical potential energy
6
Q
catalyst
A
a substance that increases the rate of reaction but remains unchanged at the end of the reaction
