calculate delta h of this eq(adsbygoogle = window.adsbygoogle || []).push({});

2N2 + 5o2 -> 2N2O5

giventhis data

h2 + 1/2o2 -> h20

and delta h of that is -285.5

n2o5 + h2o -> 2nho3 delta h -76.5

and

1/2n2 + 3/2 o2 + 1/2h2 -> hno3 delta h -170.3

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# Calculate delta h of this eq

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