59 The enthalpy changes at 298 K in successive breaking of O

Last updated: 7/3/2023

59 The enthalpy changes at 298 K in successive breaking of O H bonds of water are H O H g OH g A H 498 kJ mol OH g H g O g AH 428 kJmol the bond enthalpy of O H bond is 1 498 kJ mol 2 428 kJ mol 3 70 kJ mol 4 463 kJ mol e