How much heat is absorbed during production of 112g of NO by the combination of nitrogen and oxygen?. N2 (g) + O2 (g) →2NO (g), ΔH = + 43 kcal/mol

Question

Chemistry

Georgia Cowan

3 August, 19:23

How much heat is absorbed during production of 112g of NO by the combination of nitrogen and oxygen?. N2 (g) + O2 (g) →2NO (g), ΔH = + 43 kcal/mol

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Katelynn Gibbs · Answer 1

It is calculated as follows:

112g of NO (1 mo NO/Molar mass of NO) x 43Kcal / 1 mol NO

For these type of problems, you want to convert the amount given to moles first since kcal is over moles.