Final answer:
The activation energy of the energy of the reactants is 30 kJ, the energy of the products is 5 kJ, and the maximum energy of the system is 40 kJ is 10 kJ (Option A).
Step-by-step explanation:
The activation energy of a reaction is the energy required to initiate the reaction by breaking the bonds in the reactant molecules. In this question, the activation energy of the reaction is not explicitly provided, but we are given the energies of the reactants and products. The activation energy can be calculated by subtracting the energy of the reactants from the maximum energy of the system.
In this case, the maximum energy of the system is stated as 40 kJ, and the energy of the reactants is 30 kJ. Therefore, the activation energy would be
40 kJ - 30 kJ = 10 kJ
So, the correct answer would be (A) 10 kJ.
Your question is incomplete but most probably your full question was
In a particular chemical reaction, the energy of the reactants is 30 kJ and the energy of theproducts is 5 kJ. The maximum energy of the system is 40 kJ. What is the activation energy of this reaction?
(A) 10 kJ
(B) 25 kJ
(C) 30 kJ
(D) 35 kJ