C3.2.3 - Calculating Energy Changes Flashcards
1
Q
What is bond energy?
A
The energy needed to break one mole of a particular bond
2
Q
What is bond energy measured in?
A
kJ/mol
3
Q
How do you calculate overall energy change?
A
You figure out the bond energy needed to break down bonds and the energy needed to form bonds, and find the overall change
4
Q
What is the bond energy of C-C?
A
347kJ/mol
5
Q
What is the bond energy of C-H?
A
413kJ/mol
6
Q
What is the bond energy of H-H?
A
436kJ/mol
7
Q
What is the bond energy of N-H?
A
391kJ/mol
8
Q
What is the bond energy of O-H?
A
464kJ/mol
9
Q
What is the bond energy of O–O?
A
498kJ/mol
10
Q
What is the bond energy of C–C?
A
612kJ/mol
11
Q
What is the bond energy of C–O?
A
805kJ/mol
12
Q
What is the bond energy of N—N?
A
945kJ/mol