Topic 6: Chemical reactions Flashcards
1
Q
What is the difference between an endothermic reaction and an exothermic reaction.
A
Exothermic - Energy is created during the chemical reaction
Endothermic - Energy is absorbed during the chemical reaction
2
Q
What are the four types of chemical reactions?
A
- Formation reaction
- Decomposition reaction
- Replacement reaction
- Combustion reaction
3
Q
What is a formation reaction?
A
When two or more elements combine to produce a compound
4
Q
What is a decomposition reaction?
A
When a compound is broken into it’s original elements
5
Q
What is a replacement reaction?
A
When one element in a compound is replaced with an element of another compound
6
Q
What is a combustion reaction?
A
A carbon hydrogen compound reacts with oxygen to produce water vapour
7
Q
A
