feactures of exothermic reations (C2) Flashcards
1
Q
Where is heat transferred from and to?
A
from reaction to surroundings
2
Q
how is this indicated?
A
temperature rise in surroundings
3
Q
what is more energy needed to do?
A
make new bonds
4
Q
what is less energy needed to do?
A
break reactant bonds
5
Q
examples
A
burning & neutralisation
6
Q
What energy change is there?
A
+ ve (positive)
7
Q
how do we calaculate energy change?
A
reactant bond energy - product bond energy
