Energy Changes Flashcards
1
Q
What is an exothermic reaction
A
When energy is given off therefore increasing temperature
2
Q
What is an endothermic reaction
A
When energy is taken in from the surroundings therefore decreasing the temperature of the surroundings.
3
Q
What is activation energy
A
The energy required to start a reaction
4
Q
What kind of reaction is breaking bonds
A
Endothermic
5
Q
What type of reaction is making bonds
A
Exothermic
6
Q
What is bond energy
A
The energy required to break bonds
7
Q
What is the calculation for energy change?
A
Energy required to break bones in the reactants minus the energy released When the new bonds are formed.
