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Using the Table of Average Bond Energies Below, the ΔH

Question 123

Multiple Choice

Using the table of average bond energies below, the ΔH for the reaction is __________ kJ. H-C≡C-H (g) + H-I (g) → H2C-CHI (g)
Bond: C≡C C=C H-I C-I C-H
D (kJ/mol) : 839 614 299 240 413


A) +506
B) -931
C) -506
D) -129
E) +129

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