2. in the quation below, identify the substance being oxidised and the substance being neduceds. Mn Oz 2 + 4 HCL - Min CL + H2O ť + Cl2

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products