The rates of most reaction double when their temperature is raised from `298K` to `308K`. Calculate their activation energy.

The rates of most reactions double when their temperature is raised from 298 K to 308 K. Calculate their activation energy.

The rate of most reactions become double when their temperature is raised from 298 K to 308 K. Calculate their activation energy. (Given, R = 8.314" J mol"^(-1) )

The rate of most reactions becomes double when their temperature is raised from 298 K to 308 K. Calculate their activation energy.

The rate constant of a reaction is doubled when the temperature is raised from 298 K to 308 K. Calculate the activation energy.

The rate constant for first order reaction becomes six times when the temperature is raised from 50 K to 400 K. Calculate the activation energy for the reaction. (R= 8.314 J/K/mol)