The activation energy for the reaction, 2HI(g)→H2(g)+I2(g) is 209.5 kJ mol^−1 at 581 K. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy. 2HI(g)→H2(g)+I2(g) is 209.5 kJ mol^−1 at 581 K. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy. The [...]