When 1.0 mol nitrogen reacts with 3.0 mol hydrogen to form 2.0 mol of ammonia the energy released is 92 kJ How much energy is released if 0.42 mol nitrogen react?
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Answer:
Not sure, but the reasoning I would use is that to get the 92 kilojoules of energy you needed 1.0 mol nitrogen and are asked what energy for 0.42 mol N. 0.42 * 92 kj = 38.64 kj A percentage thing, I think.
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