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Enthalpy of ammonia and water are -46.19...

Enthalpy of ammonia and water are `-46.19KJ.mol^(-1)` and `-285.9KJ.mol^(-1)`. Calculate AH for the reaction, `4NH_(3)(g)+3O_(2)(g)to 2N_(2)(g)+6H_(2)O(l)`.

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The correct Answer is:
`-1530 kJ`
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