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The enthalpy of combustion of H2 (g) at 298 K to give H2O (g) is -249 kJ mol−1 and bond enthalpies of H-H and O-O are 433 kJ mol−1 and 492 kJ mol−1 respectively. The bond enthalpy of O-H is |
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Answer» The enthalpy of combustion of H2 (g) at 298 K to give H2O (g) is -249 kJ mol−1 and bond enthalpies of H-H and O-O are 433 kJ mol−1 and 492 kJ mol−1 respectively. The bond enthalpy of O-H is |
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