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Given the thermochemical equation: N 2 (g) + 3H 2 (g) -> 2NH 3 (g) H= -123.7kJ How much energy is given off when 182.4g

Given the thermochemical equation:

N₂(g) + 3H₂(g) -> 2NH₃(g) ΔH= -123.7kJ

How much energy is given off when 182.4g of H₂ reacts?

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