What can be said about a reaction with AH = 62.4 kJ/mol and AS= 0.145 kJ/(mol-K)? A. It is spontaneous at 298 K. B. It is never spontaneous O C. It is spontaneous at 500 K. O D. It is always spontaneous.​

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