Question

Which phrase best describes activation energy?(1 point)
Responses

the energy required to rearrange and switch individual molecules within two compounds
the energy required to rearrange and switch individual molecules within two compounds

the minimum amount of energy required to break bonds and start a chemical reaction
the minimum amount of energy required to break bonds and start a chemical reaction

the minimum amount of energy required to form bonds and end a chemical reaction
the minimum amount of energy required to form bonds and end a chemical reaction

the energy given off when rearranging and switching individual molecules within two compounds

Answer 1

"the minimum amount of energy required to break bonds and start a chemical reaction"

This describes the activation energy — the energy barrier reactants must overcome to reach the transition state and begin reacting.