Paper 2: Heat Energy Chnages Flashcards
1
Q
What happens to heat energy is an exothermic reaction?
A
Heat energy is given out - surroundings increase in temperature
2
Q
What happens to heat energy in an endothermic reaction?
A
Heat energy is taken in - surroundings decrease in temperature
3
Q
What happened to bonds between atoms in molecules when a chemical reaction takes place?
A
Bonds are broken
4
Q
What happens to atoms in a chemical reaction?
A
They come together in a new arrangement
5
Q
What type of reaction is breaking bonds?
A
Endothermic
6
Q
What type of reaction is making bonds?
A
Exothermic
