(Answered) Calculate the heat of combustion triangle hrxn0 for the

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Calculate the heat of combustion (triangle Hrxn⁰) for the reaction of NH₃ with the oxygen as per the following reaction. Appendix C provides the values of triangle H_f⁰for the chemicals involved in the reaction.

4NH₃(g) + 0₂(_g) arrow to left 2N₂H₄(g) + 2 H₂O (l)

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