C6H4(OH)2 is fragmented by hydrogen peroxide according to the following reaction. C6H4(OH)2(aq) + H2O2(aq) ( C6H4O2(aq) + 2H2O(s) Calculate the energy change in the disintegration of 20 grams of C6H4 (OH)2 from the kcal unit, taking into account the reactions given. (C:12, H: 1, O:16 g/mol)