Ammonia reacts with oxygen according to the equation: 4NH3(g)+5O2(g)â†’4NO(g)+6H2O(g) Î”Hrxn=-906 kJ Part A Calculate the heat (in...

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Ammonia reacts with oxygen according to the equation:4NH3(g)+5O2(g)â†’4NO(g)+6H2O(g) Î”Hrxn=-906 kJ Part A Calculate theheat (in kJ) associated with the complete reaction of 284 g of NH3.Express your answer with the appropriate units.

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4.0 Ratings (817 Votes)

According to the balanced eqation and heat of reaction shown:

Heat associated with the reaction of 4 moles of NH3 (4 x 17 g = 68 g) with oxygen = -906 kJ

So, the heat associated with the reaction 1 g of NH3 with oxygen = -906/68 kJ

So, the heat associated with the reaction 284 g of NH3 with oxygen = -906 x 284/68 kJ

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