C5 Flashcards
(5 cards)
1
Q
What is an exothermic reaction
A
When energy is transferred to the surroundings
2
Q
What is an endothermic reaction
A
When energy is absorbed from surroundings
3
Q
What is thermal decomposition
A
Using heat to break down chemicals
4
Q
What is activation energy
A
The minimum amount of energy needed for a reaction to occur
5
Q
Are neutralisation reactions exothermic or endothermic
A
They are endothermic
