Calcualte the standard enthaslpy change, H o , for the combustioni of ammonia, NH 3 (g), to give nitric oxide, NO (g), and water, H 2 O (I) The enthalpies of formation, H o f , are 68 32 kcal mole for H 2 O (I), 11 2 kcal mole for NH 3 (g), and 21 57 kcal mole for NO (g) 4 NH 3 (g) 50 2 (g) 4 NO (g...

2N 2 6H 2 4NH 3 H f 1102kcalmole 2 ...

Calcualte the standard enthaslpy change, ?H o , for the combustioni of ammonia, NH 3 (g), to

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Calcualte the standard enthaslpy change, ?H ^o ^,for the combustioni of ammonia, NH ₃(g), to give nitric oxide, NO (g), and water, H ₂O (I). The enthalpies of formation, ?H ^o _f, are -68.32 kcal /mole for H ₂O (I), -11.2 kcal / mole for NH ₃(g), and 21.57 kcal / mole for NO (g).

4 NH ₃ (g) + 50 ₂(g) ® 4 NO (g) + 6H ₂O (I)