Question

The enthalpy of formation of ammonia is
-46.0 kJ mol-?. The enthalpy change for the
reaction 2NH (g) → N. (g) + 3H2(g) is :
(1) 46.0 kJ mol-1 (2) 92.0 kJ mol-1
(3) - 23.0 kJ mol-1 (4) - 92.0 kJ mol-1​

Answer 1

Explanation:

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