C3.2.2 - Reaction profiles Flashcards
1
Q
During a chemical reaction: energy is transferred:
A
- from the surroundings to break bonds in the reactants to form separate atoms
- to the surroundings from the reacting particles when bonds form between atoms
2
Q
What is a reaction profile?
A
A chart that shows the energy of reactants and products in a reaction
3
Q
What is activation energy?
A
The minimum energy needed for a reaction to start
4
Q
What is energy change?
A
The difference between the energy transferred from the surroundings to break bonds in the reactants, and the energy transferred from products when bonds form