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27 March, 18:33

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

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  1. 27 March, 18:57
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    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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