The activation energy for the forward reaction X Y is 60 KJ mol−1 and ΔH is −20 KJ mol−1. The activation energy for the backward reaction Y X is:

For the reaction A → B, ΔH = -13 kJ mol-1 and Ea = 31 kJ mol-1 . What is theactivation energy for the reverse reaction B → A?

An endothermic reaction, A→ B has an activation energy 15 kcal/mol and energy of the reaction is 5 kcal/mol. The activation energy of the reaction, B → A is:

For a reaction with an activation energy of 65 kJ mol¯¹, by what percentage is the rate constant decreased if the temperature is decreased from 37 °C to 22 °C?

If 3 moles of a compound use 12 J of energy in a reaction, what is the Hreaction in kJ/mol?A.-4 kJ/molB.4 kJ/molC.-0.004 kJ/molD.0.004 kJ/mol

At 298 K, H0 = -314 kJ/mol and S0 = -0.372 kJ/(K•mol). What is the Gibbs free energy of the reaction?A.-425 kJB.0.393 kJC.34,900 kJD.-203 kJ