\( \Delta \mathrm{H}_{\mathrm{f}}^{0} \) of \( \mathrm{CO}_{2}(\mathrm{~g}), \mathrm{CO}(\mathrm...

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\( \Delta \mathrm{H}_{\mathrm{f}}^{0} \) of \( \mathrm{CO}_{2}(\mathrm{~g}), \mathrm{CO}(\mathrm{g}), \mathrm{N}_{2} \mathrm{O}(\mathrm{g}) \) and \( \mathrm{NO}_{2}(\mathrm{~g}) \) in \( \mathrm{KJ} / \mathrm{mol} \) are respectively \( -393,-110,81 \) and 34. Calculate \( \Delta \mathrm{H} \) in \( \mathrm{KJ} \) of the following reaction.
\( \mathrm{P} \) \( 2 \mathrm{NO}_{2}(\mathrm{~g})+2 \mathrm{CO}(\mathrm{g}) \longrightarrow \mathrm{N}_{2} \mathrm{O}(\mathrm{g})+3 \mathrm{CO}_{2}(\mathrm{~g}) \)

W
(A) 836
(B) 1460
(C) \( -836 \)
(D) \( -1460 \)
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