What do all chemical reactions need to get started?
the minimum amount of energy needed
Characteristics of endothermic reactions
energy becomes less warm, absorb energy, the energy of the products is more than the reactants
peak of the graph
Formula for energy absorbed
Activation energy symbol
Characteristics of exothermic reactions
energy becomes hotter, releases energy, energy of products is less than reactants
what is broken and repaired in a reaction?