5.2.1 - Enthalpy Changes Flashcards
1
Q
What is the enthalpy change of a reaction!?
A
The enthalpy change of a reaction is the heat energy it releases or absorbs per mole
2
Q
What is the symbol for enthalpy change ?!
A
🔼H (Kj/mole)
3
Q
What does this sign in front of 🔼H tell us about the reaction !?
A
It tells us whether the reaction absorbs or releases energy
4
Q
Does breaking bonds absorb or release energy?
A
Breaking bonds, absorbs energy
(Therefore Making bond releases energy)
5
Q
What does the energy level diagram look like for an endothermic reaction?
A
.
6
Q
What does the energy level diagram look like for an exothermic reaction?
A
