30 At 298 K the standard enthalpies of formation of H O l

Last updated: 6/28/2023

30 At 298 K the standard enthalpies of formation of H O l and H O are 286 0 kJ mol and 188 0 kJ mol 1 The enthalpy change for reaction 2H O 1 2H O 1 O g will be 1 948 kJ mol 2 196 kJ mol 1 3 196 kJ mol 1 4 948 kJ mol 1