How much heat is absorbed during production of 136 g of NO by the combination of nitrogen and oxygen?

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25-10-2016
Chemistry

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How much heat is absorbed during production of 136 g of NO by the combination of nitrogen and oxygen?

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aall3n aall3n · Answer 1 · 2016-10-29T16:32:32+02:00

aall3n aall3n

29-10-2016

100.3kcal of heat will be absorbed. 2moles of NO absorb 43kcal. I mole of NO weighs 14 +16 = 30g so 2 moles weigh 60g. So 60g absorb 43kcal So 1g absorb 43/60 kcal So 136g absorb (43/60) x 136 = 97.47 kcal

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