# please help me within five minutes?

Anonymous
timer Asked: Nov 1st, 2014

Question description

Use the given bond energy values to estimate ΔH for the following gas-phase reaction.

 [img src="http://loncapa.net/res/sfu/mszczepi/testing/H.of.rxn.qc.gif" texwidth="86">

 (Simple energy units required for the answer.)
D-values in kJ/mol
 DH-H = 432 DH-Br = 363 DH-C = 413 DH-N = 391 DH-O = 467 DC-C = 347 DC=C = 614 DC≡C = 839 DC-N = 305 DC=N = 615 DC≡N = 891 DC-O = 358 DC=O = 745 DC=O (CO2) = 799 DC≡O=1072 DC-Br = 276 DN-N = 160 DN=N = 418 DN≡N = 941 DO-O = 146 DO=O = 495 DN-O = 201 DN=O = 607 DBr-Br = 193

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