For an exothermic reaction `ArarrB`, the activation energy is `65kJmol^(-1)` and enthalpy of reaction is `42kJmol^(-1)`. The activation energy for the reaction `BrarrA` will be:

For a reaction, Ararr B + C , activation energy is 15 kJ/mole and enthalpy of reaction is +5kJ/mole. The activation energy for the reaction B+Crarr A is

An exothermic reaction XrarrY has an activation energy of 90kJ mol^(-1) of X and the heat of reaction is 250 kJ . Find the activation energy of the reaction YrarrX .

An exothermic reaction XrarrY has an activation energy of 90kJ mol^(-1) of X and the heat of reaction is 250 kJ . Find the activation energy of the reaction YrarrX .

In an exothermic reaction X rarr Y , the activation energy is 100 kJ mol^(-1) of X . The enthalphy of the reaction is -140 kJ mol^(-1) . The activation energy of the reverse reaction Y rarr X is

In an exothermic reaction X rarr Y , the activation energy is 100 kJ mol^(-1) of X . The enthalphy of the reaction is -140 kJ mol^(-1) . The activation energy of the reverse reaction Y rarr X is

An endothermic reaction A to B has an activation energy of 15" kJ mol"^(-1) and the enthalpy change for the reaction is 5" kJ mol"^(-1) . The activation energy of the reaction B to A is

The activation energy of exothermic reaction ArarrB is 80 kJ mol^(-1) . The heat of reaction is 200 kJ mol^(-1) . The activation energy for the reaction BrarrA (in kJ mol^(-1) ) will be