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The standard enthalpy of formation of NH_(3) is -46.0kJmol^(-1). If enthalpy of formation of H_(2) from its atoms is 436 kJ mol^(-1) and that of N_(2) is -712kJmol^(-1), the average bond enthalpy of N-H bond in NH_(3) is |
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Answer» `-964kJmol^(-1)` |
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