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When ammonium nitrate (NH4NO3)(s) is used in explosives, it decomposes to N2(g), O2(g), and H2O(g). Write a balanced reaction equation for the decomposition of ammonium nitrate, and determine the standard enthalpy of reaction using standard enthalpies of formation:
solid ammonium nitrate = -366 kJ/mol and water vapor = -242 kJ/mol.
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