9.1 Energy changes in reaction Flashcards
1
Q
What are energy changes in reactions?
A
During a chemical reaction, there is always an energy change.
2
Q
What are exothermic reactions?
A
Exothermic reactions give out energy. So there is a temperature rise.
3
Q
What can exothermic reactions be described as?
A
reactants —–> products + energy
4
Q
What are endothermic reactions?
A
Endothermic reactions take in energy from their surroundings.
5
Q
What can endothermic reactions be described as?
A
reactants + energy ——-> products
