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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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